Merge pull request #1622 from ClearlyClaire/glitch-soc/merge-upstream

Merge upstream changes

35 files changed, 1633 insertions, 98 deletions

diff --git a/app/javascript/flavours/glitch/components/admin/Counter.js b/app/javascript/flavours/glitch/components/admin/Counter.js
new file mode 100644
index 000000000..39ef216bd
--- /dev/null
+++ b/app/javascript/flavours/glitch/components/admin/Counter.js
@@ -0,0 +1,115 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import api from 'flavours/glitch/util/api';
+import { FormattedNumber } from 'react-intl';
+import { Sparklines, SparklinesCurve } from 'react-sparklines';
+import classNames from 'classnames';
+import Skeleton from 'flavours/glitch/components/skeleton';
+
+const percIncrease = (a, b) => {
+  let percent;
+
+  if (b !== 0) {
+    if (a !== 0) {
+      percent = (b - a) / a;
+    } else {
+      percent = 1;
+    }
+  } else if (b === 0 && a === 0) {
+    percent = 0;
+  } else {
+    percent = - 1;
+  }
+
+  return percent;
+};
+
+export default class Counter extends React.PureComponent {
+
+  static propTypes = {
+    measure: PropTypes.string.isRequired,
+    start_at: PropTypes.string.isRequired,
+    end_at: PropTypes.string.isRequired,
+    label: PropTypes.string.isRequired,
+    href: PropTypes.string,
+  };
+
+  state = {
+    loading: true,
+    data: null,
+  };
+
+  componentDidMount () {
+    const { measure, start_at, end_at } = this.props;
+
+    api().post('/api/v1/admin/measures', { keys: [measure], start_at, end_at }).then(res => {
+      this.setState({
+        loading: false,
+        data: res.data,
+      });
+    }).catch(err => {
+      console.error(err);
+    });
+  }
+
+  render () {
+    const { label, href } = this.props;
+    const { loading, data } = this.state;
+
+    let content;
+
+    if (loading) {
+      content = (
+        <React.Fragment>
+          <span className='sparkline__value__total'><Skeleton width={43} /></span>
+          <span className='sparkline__value__change'><Skeleton width={43} /></span>
+        </React.Fragment>
+      );
+    } else {
+      const measure = data[0];
+      const percentChange = percIncrease(measure.previous_total * 1, measure.total * 1);
+
+      content = (
+        <React.Fragment>
+          <span className='sparkline__value__total'><FormattedNumber value={measure.total} /></span>
+          <span className={classNames('sparkline__value__change', { positive: percentChange > 0, negative: percentChange < 0 })}>{percentChange > 0 && '+'}<FormattedNumber value={percentChange} style='percent' /></span>
+        </React.Fragment>
+      );
+    }
+
+    const inner = (
+      <React.Fragment>
+        <div className='sparkline__value'>
+          {content}
+        </div>
+
+        <div className='sparkline__label'>
+          {label}
+        </div>
+
+        <div className='sparkline__graph'>
+          {!loading && (
+            <Sparklines width={259} height={55} data={data[0].data.map(x => x.value * 1)}>
+              <SparklinesCurve />
+            </Sparklines>
+          )}
+        </div>
+      </React.Fragment>
+    );
+
+    if (href) {
+      return (
+        <a href={href} className='sparkline'>
+          {inner}
+        </a>
+      );
+    } else {
+      return (
+        <div className='sparkline'>
+          {inner}
+        </div>
+      );
+    }
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/components/admin/Dimension.js b/app/javascript/flavours/glitch/components/admin/Dimension.js
new file mode 100644
index 000000000..b4fbf86c8
--- /dev/null
+++ b/app/javascript/flavours/glitch/components/admin/Dimension.js
@@ -0,0 +1,92 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import api from 'flavours/glitch/util/api';
+import { FormattedNumber } from 'react-intl';
+import { roundTo10 } from 'flavours/glitch/util/numbers';
+import Skeleton from 'flavours/glitch/components/skeleton';
+
+export default class Dimension extends React.PureComponent {
+
+  static propTypes = {
+    dimension: PropTypes.string.isRequired,
+    start_at: PropTypes.string.isRequired,
+    end_at: PropTypes.string.isRequired,
+    limit: PropTypes.number.isRequired,
+    label: PropTypes.string.isRequired,
+  };
+
+  state = {
+    loading: true,
+    data: null,
+  };
+
+  componentDidMount () {
+    const { start_at, end_at, dimension, limit } = this.props;
+
+    api().post('/api/v1/admin/dimensions', { keys: [dimension], start_at, end_at, limit }).then(res => {
+      this.setState({
+        loading: false,
+        data: res.data,
+      });
+    }).catch(err => {
+      console.error(err);
+    });
+  }
+
+  render () {
+    const { label, limit } = this.props;
+    const { loading, data } = this.state;
+
+    let content;
+
+    if (loading) {
+      content = (
+        <table>
+          <tbody>
+            {Array.from(Array(limit)).map((_, i) => (
+              <tr className='dimension__item' key={i}>
+                <td className='dimension__item__key'>
+                  <Skeleton width={100} />
+                </td>
+
+                <td className='dimension__item__value'>
+                  <Skeleton width={60} />
+                </td>
+              </tr>
+            ))}
+          </tbody>
+        </table>
+      );
+    } else {
+      const sum = data[0].data.reduce((sum, cur) => sum + (cur.value * 1), 0);
+
+      content = (
+        <table>
+          <tbody>
+            {data[0].data.map(item => (
+              <tr className='dimension__item' key={item.key}>
+                <td className='dimension__item__key'>
+                  <span className={`dimension__item__indicator dimension__item__indicator--${roundTo10(((item.value * 1) / sum) * 100)}`} />
+                  <span title={item.key}>{item.human_key}</span>
+                </td>
+
+                <td className='dimension__item__value'>
+                  {typeof item.human_value !== 'undefined' ? item.human_value : <FormattedNumber value={item.value} />}
+                </td>
+              </tr>
+            ))}
+          </tbody>
+        </table>
+      );
+    }
+
+    return (
+      <div className='dimension'>
+        <h4>{label}</h4>
+
+        {content}
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/components/admin/Retention.js b/app/javascript/flavours/glitch/components/admin/Retention.js
new file mode 100644
index 000000000..8295362a4
--- /dev/null
+++ b/app/javascript/flavours/glitch/components/admin/Retention.js
@@ -0,0 +1,141 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import api from 'flavours/glitch/util/api';
+import { FormattedMessage, FormattedNumber, FormattedDate } from 'react-intl';
+import classNames from 'classnames';
+import { roundTo10 } from 'flavours/glitch/util/numbers';
+
+const dateForCohort = cohort => {
+  switch(cohort.frequency) {
+  case 'day':
+    return <FormattedDate value={cohort.period} month='long' day='2-digit' />;
+  default:
+    return <FormattedDate value={cohort.period} month='long' year='numeric' />;
+  }
+};
+
+export default class Retention extends React.PureComponent {
+
+  static propTypes = {
+    start_at: PropTypes.string,
+    end_at: PropTypes.string,
+    frequency: PropTypes.string,
+  };
+
+  state = {
+    loading: true,
+    data: null,
+  };
+
+  componentDidMount () {
+    const { start_at, end_at, frequency } = this.props;
+
+    api().post('/api/v1/admin/retention', { start_at, end_at, frequency }).then(res => {
+      this.setState({
+        loading: false,
+        data: res.data,
+      });
+    }).catch(err => {
+      console.error(err);
+    });
+  }
+
+  render () {
+    const { loading, data } = this.state;
+
+    let content;
+
+    if (loading) {
+      content = <FormattedMessage id='loading_indicator.label' defaultMessage='Loading...' />;
+    } else {
+      content = (
+        <table className='retention__table'>
+          <thead>
+            <tr>
+              <th>
+                <div className='retention__table__date retention__table__label'>
+                  <FormattedMessage id='admin.dashboard.retention.cohort' defaultMessage='Sign-up month' />
+                </div>
+              </th>
+
+              <th>
+                <div className='retention__table__number retention__table__label'>
+                  <FormattedMessage id='admin.dashboard.retention.cohort_size' defaultMessage='New users' />
+                </div>
+              </th>
+
+              {data[0].data.slice(1).map((retention, i) => (
+                <th key={retention.date}>
+                  <div className='retention__table__number retention__table__label'>
+                    {i + 1}
+                  </div>
+                </th>
+              ))}
+            </tr>
+
+            <tr>
+              <td>
+                <div className='retention__table__date retention__table__average'>
+                  <FormattedMessage id='admin.dashboard.retention.average' defaultMessage='Average' />
+                </div>
+              </td>
+
+              <td>
+                <div className='retention__table__size'>
+                  <FormattedNumber value={data.reduce((sum, cohort, i) => sum + ((cohort.data[0].value * 1) - sum) / (i + 1), 0)} maximumFractionDigits={0} />
+                </div>
+              </td>
+
+              {data[0].data.slice(1).map((retention, i) => {
+                const average = data.reduce((sum, cohort, k) => cohort.data[i + 1] ? sum + (cohort.data[i + 1].percent - sum)/(k + 1) : sum, 0);
+
+                return (
+                  <td key={retention.date}>
+                    <div className={classNames('retention__table__box', 'retention__table__average', `retention__table__box--${roundTo10(average * 100)}`)}>
+                      <FormattedNumber value={average} style='percent' />
+                    </div>
+                  </td>
+                );
+              })}
+            </tr>
+          </thead>
+
+          <tbody>
+            {data.slice(0, -1).map(cohort => (
+              <tr key={cohort.period}>
+                <td>
+                  <div className='retention__table__date'>
+                    {dateForCohort(cohort)}
+                  </div>
+                </td>
+
+                <td>
+                  <div className='retention__table__size'>
+                    <FormattedNumber value={cohort.data[0].value} />
+                  </div>
+                </td>
+
+                {cohort.data.slice(1).map(retention => (
+                  <td key={retention.date}>
+                    <div className={classNames('retention__table__box', `retention__table__box--${roundTo10(retention.percent * 100)}`)}>
+                      <FormattedNumber value={retention.percent} style='percent' />
+                    </div>
+                  </td>
+                ))}
+              </tr>
+            ))}
+          </tbody>
+        </table>
+      );
+    }
+
+    return (
+      <div className='retention'>
+        <h4><FormattedMessage id='admin.dashboard.retention' defaultMessage='Retention' /></h4>
+
+        {content}
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/components/admin/Trends.js b/app/javascript/flavours/glitch/components/admin/Trends.js
new file mode 100644
index 000000000..d7c4eb72c
--- /dev/null
+++ b/app/javascript/flavours/glitch/components/admin/Trends.js
@@ -0,0 +1,73 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import api from 'flavours/glitch/util/api';
+import { FormattedMessage } from 'react-intl';
+import classNames from 'classnames';
+import Hashtag from 'flavours/glitch/components/hashtag';
+
+export default class Trends extends React.PureComponent {
+
+  static propTypes = {
+    limit: PropTypes.number.isRequired,
+  };
+
+  state = {
+    loading: true,
+    data: null,
+  };
+
+  componentDidMount () {
+    const { limit } = this.props;
+
+    api().get('/api/v1/admin/trends', { params: { limit } }).then(res => {
+      this.setState({
+        loading: false,
+        data: res.data,
+      });
+    }).catch(err => {
+      console.error(err);
+    });
+  }
+
+  render () {
+    const { limit } = this.props;
+    const { loading, data } = this.state;
+
+    let content;
+
+    if (loading) {
+      content = (
+        <div>
+          {Array.from(Array(limit)).map((_, i) => (
+            <Hashtag key={i} />
+          ))}
+        </div>
+      );
+    } else {
+      content = (
+        <div>
+          {data.map(hashtag => (
+            <Hashtag
+              key={hashtag.name}
+              name={hashtag.name}
+              href={`/admin/tags/${hashtag.id}`}
+              people={hashtag.history[0].accounts * 1 + hashtag.history[1].accounts * 1}
+              uses={hashtag.history[0].uses * 1 + hashtag.history[1].uses * 1}
+              history={hashtag.history.reverse().map(day => day.uses)}
+              className={classNames(hashtag.requires_review && 'trends__item--requires-review', !hashtag.trendable && !hashtag.requires_review && 'trends__item--disabled')}
+            />
+          ))}
+        </div>
+      );
+    }
+
+    return (
+      <div className='trends trends--compact'>
+        <h4><FormattedMessage id='trends.trending_now' defaultMessage='Trending now' /></h4>
+
+        {content}
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/components/hashtag.js b/app/javascript/flavours/glitch/components/hashtag.js
index d00c01e77..769185a2b 100644
--- a/app/javascript/flavours/glitch/components/hashtag.js
+++ b/app/javascript/flavours/glitch/components/hashtag.js
@@ -6,6 +6,8 @@ import PropTypes from 'prop-types';
 import ImmutablePropTypes from 'react-immutable-proptypes';
 import Permalink from './permalink';
 import ShortNumber from 'flavours/glitch/components/short_number';
+import Skeleton from 'flavours/glitch/components/skeleton';
+import classNames from 'classnames';
 
 class SilentErrorBoundary extends React.Component {
 
@@ -47,45 +49,38 @@ const accountsCountRenderer = (displayNumber, pluralReady) => (
   />
 );
 
-const Hashtag = ({ hashtag }) => (
-  <div className='trends__item'>
+export const ImmutableHashtag = ({ hashtag }) => (
+  <Hashtag
+    name={hashtag.get('name')}
+    href={hashtag.get('url')}
+    to={`/tags/${hashtag.get('name')}`}
+    people={hashtag.getIn(['history', 0, 'accounts']) * 1 + hashtag.getIn(['history', 1, 'accounts']) * 1}
+    uses={hashtag.getIn(['history', 0, 'uses']) * 1 + hashtag.getIn(['history', 1, 'uses']) * 1}
+    history={hashtag.get('history').reverse().map((day) => day.get('uses')).toArray()}
+  />
+);
+
+ImmutableHashtag.propTypes = {
+  hashtag: ImmutablePropTypes.map.isRequired,
+};
+
+const Hashtag = ({ name, href, to, people, uses, history, className }) => (
+  <div className={classNames('trends__item', className)}>
     <div className='trends__item__name'>
-      <Permalink
-        href={hashtag.get('url')}
-        to={`/tags/${hashtag.get('name')}`}
-      >
-        #<span>{hashtag.get('name')}</span>
+      <Permalink href={href} to={to}>
+        {name ? <React.Fragment>#<span>{name}</span></React.Fragment> : <Skeleton width={50} />}
       </Permalink>
 
-      <ShortNumber
-        value={
-          hashtag.getIn(['history', 0, 'accounts']) * 1 +
-          hashtag.getIn(['history', 1, 'accounts']) * 1
-        }
-        renderer={accountsCountRenderer}
-      />
+      {typeof people !== 'undefined' ? <ShortNumber value={people} renderer={accountsCountRenderer} /> : <Skeleton width={100} />}
     </div>
 
     <div className='trends__item__current'>
-      <ShortNumber
-        value={
-          hashtag.getIn(['history', 0, 'uses']) * 1 +
-          hashtag.getIn(['history', 1, 'uses']) * 1
-        }
-      />
+      {typeof uses !== 'undefined' ? <ShortNumber value={uses} /> : <Skeleton width={42} height={36} />}
     </div>
 
     <div className='trends__item__sparkline'>
       <SilentErrorBoundary>
-        <Sparklines
-          width={50}
-          height={28}
-          data={hashtag
-            .get('history')
-            .reverse()
-            .map((day) => day.get('uses'))
-            .toArray()}
-        >
+        <Sparklines width={50} height={28} data={history ? history : Array.from(Array(7)).map(() => 0)}>
           <SparklinesCurve style={{ fill: 'none' }} />
         </Sparklines>
       </SilentErrorBoundary>
@@ -94,7 +89,13 @@ const Hashtag = ({ hashtag }) => (
 );
 
 Hashtag.propTypes = {
-  hashtag: ImmutablePropTypes.map.isRequired,
+  name: PropTypes.string,
+  href: PropTypes.string,
+  to: PropTypes.string,
+  people: PropTypes.number,
+  uses: PropTypes.number,
+  history: PropTypes.arrayOf(PropTypes.number),
+  className: PropTypes.string,
 };
 
 export default Hashtag;
diff --git a/app/javascript/flavours/glitch/components/skeleton.js b/app/javascript/flavours/glitch/components/skeleton.js
new file mode 100644
index 000000000..09093e99c
--- /dev/null
+++ b/app/javascript/flavours/glitch/components/skeleton.js
@@ -0,0 +1,11 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+
+const Skeleton = ({ width, height }) => <span className='skeleton' style={{ width, height }}>&zwnj;</span>;
+
+Skeleton.propTypes = {
+  width: PropTypes.number,
+  height: PropTypes.number,
+};
+
+export default Skeleton;
diff --git a/app/javascript/flavours/glitch/containers/admin_component.js b/app/javascript/flavours/glitch/containers/admin_component.js
new file mode 100644
index 000000000..64dabac8b
--- /dev/null
+++ b/app/javascript/flavours/glitch/containers/admin_component.js
@@ -0,0 +1,26 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import { IntlProvider, addLocaleData } from 'react-intl';
+import { getLocale } from 'mastodon/locales';
+
+const { localeData, messages } = getLocale();
+addLocaleData(localeData);
+
+export default class AdminComponent extends React.PureComponent {
+
+  static propTypes = {
+    locale: PropTypes.string.isRequired,
+    children: PropTypes.node.isRequired,
+  };
+
+  render () {
+    const { locale, children } = this.props;
+
+    return (
+      <IntlProvider locale={locale} messages={messages}>
+        {children}
+      </IntlProvider>
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/containers/media_container.js b/app/javascript/flavours/glitch/containers/media_container.js
index 8657b8064..1ddbc706b 100644
--- a/app/javascript/flavours/glitch/containers/media_container.js
+++ b/app/javascript/flavours/glitch/containers/media_container.js
@@ -7,7 +7,7 @@ import { getLocale } from 'mastodon/locales';
 import { getScrollbarWidth } from 'flavours/glitch/util/scrollbar';
 import MediaGallery from 'flavours/glitch/components/media_gallery';
 import Poll from 'flavours/glitch/components/poll';
-import Hashtag from 'flavours/glitch/components/hashtag';
+import { ImmutableHashtag as Hashtag } from 'flavours/glitch/components/hashtag';
 import ModalRoot from 'flavours/glitch/components/modal_root';
 import MediaModal from 'flavours/glitch/features/ui/components/media_modal';
 import Video from 'flavours/glitch/features/video';
diff --git a/app/javascript/flavours/glitch/features/compose/components/search_results.js b/app/javascript/flavours/glitch/features/compose/components/search_results.js
index 9a76e5418..cbc1f35e5 100644
--- a/app/javascript/flavours/glitch/features/compose/components/search_results.js
+++ b/app/javascript/flavours/glitch/features/compose/components/search_results.js
@@ -5,7 +5,7 @@ import { FormattedMessage, defineMessages, injectIntl } from 'react-intl';
 import AccountContainer from 'flavours/glitch/containers/account_container';
 import StatusContainer from 'flavours/glitch/containers/status_container';
 import ImmutablePureComponent from 'react-immutable-pure-component';
-import Hashtag from 'flavours/glitch/components/hashtag';
+import { ImmutableHashtag as Hashtag } from 'flavours/glitch/components/hashtag';
 import Icon from 'flavours/glitch/components/icon';
 import { searchEnabled } from 'flavours/glitch/util/initial_state';
 import LoadMore from 'flavours/glitch/components/load_more';
diff --git a/app/javascript/flavours/glitch/features/getting_started/components/trends.js b/app/javascript/flavours/glitch/features/getting_started/components/trends.js
index 0734ec72b..ce4d94c64 100644
--- a/app/javascript/flavours/glitch/features/getting_started/components/trends.js
+++ b/app/javascript/flavours/glitch/features/getting_started/components/trends.js
@@ -2,7 +2,7 @@ import React from 'react';
 import ImmutablePureComponent from 'react-immutable-pure-component';
 import PropTypes from 'prop-types';
 import ImmutablePropTypes from 'react-immutable-proptypes';
-import Hashtag from 'flavours/glitch/components/hashtag';
+import { ImmutableHashtag as Hashtag } from 'flavours/glitch/components/hashtag';
 import { FormattedMessage } from 'react-intl';
 
 export default class Trends extends ImmutablePureComponent {
diff --git a/app/javascript/flavours/glitch/packs/admin.js b/app/javascript/flavours/glitch/packs/admin.js
new file mode 100644
index 000000000..4c09ddb05
--- /dev/null
+++ b/app/javascript/flavours/glitch/packs/admin.js
@@ -0,0 +1,24 @@
+import 'packs/public-path';
+import ready from 'flavours/glitch/util/ready';
+
+ready(() => {
+  const React    = require('react');
+  const ReactDOM = require('react-dom');
+
+  [].forEach.call(document.querySelectorAll('[data-admin-component]'), element => {
+    const componentName  = element.getAttribute('data-admin-component');
+    const { locale, ...componentProps } = JSON.parse(element.getAttribute('data-props'));
+
+    import('flavours/glitch/containers/admin_component').then(({ default: AdminComponent }) => {
+      return import('flavours/glitch/components/admin/' + componentName).then(({ default: Component }) => {
+        ReactDOM.render((
+          <AdminComponent locale={locale}>
+            <Component {...componentProps} />
+          </AdminComponent>
+        ), element);
+      });
+    }).catch(error => {
+      console.error(error);
+    });
+  });
+});
diff --git a/app/javascript/flavours/glitch/styles/admin.scss b/app/javascript/flavours/glitch/styles/admin.scss
index 4801a4644..24618c29f 100644
--- a/app/javascript/flavours/glitch/styles/admin.scss
+++ b/app/javascript/flavours/glitch/styles/admin.scss
@@ -1,3 +1,5 @@
+@use "sass:math";
+
 $no-columns-breakpoint: 600px;
 $sidebar-width: 240px;
 $content-width: 840px;
@@ -925,10 +927,197 @@ a.name-tag,
   }
 }
 
+.dashboard__counters.admin-account-counters {
+  margin-top: 10px;
+}
+
 .account-badges {
   margin: -2px 0;
 }
 
-.dashboard__counters.admin-account-counters {
-  margin-top: 10px;
+.retention {
+  &__table {
+    &__number {
+      color: $secondary-text-color;
+      padding: 10px;
+    }
+
+    &__date {
+      white-space: nowrap;
+      padding: 10px 0;
+      text-align: left;
+      min-width: 120px;
+
+      &.retention__table__average {
+        font-weight: 700;
+      }
+    }
+
+    &__size {
+      text-align: center;
+      padding: 10px;
+    }
+
+    &__label {
+      font-weight: 700;
+      color: $darker-text-color;
+    }
+
+    &__box {
+      box-sizing: border-box;
+      background: $ui-highlight-color;
+      padding: 10px;
+      font-weight: 500;
+      color: $primary-text-color;
+      width: 52px;
+      margin: 1px;
+
+      @for $i from 0 through 10 {
+        &--#{10 * $i} {
+          background-color: rgba($ui-highlight-color, 1 * (math.div(max(1, $i), 10)));
+        }
+      }
+    }
+  }
+}
+
+.sparkline {
+  display: block;
+  text-decoration: none;
+  background: lighten($ui-base-color, 4%);
+  border-radius: 4px;
+  padding: 0;
+  position: relative;
+  padding-bottom: 55px + 20px;
+  overflow: hidden;
+
+  &__value {
+    display: flex;
+    line-height: 33px;
+    align-items: flex-end;
+    padding: 20px;
+    padding-bottom: 10px;
+
+    &__total {
+      display: block;
+      margin-right: 10px;
+      font-weight: 500;
+      font-size: 28px;
+      color: $primary-text-color;
+    }
+
+    &__change {
+      display: block;
+      font-weight: 500;
+      font-size: 18px;
+      color: $darker-text-color;
+      margin-bottom: -3px;
+
+      &.positive {
+        color: $valid-value-color;
+      }
+
+      &.negative {
+        color: $error-value-color;
+      }
+    }
+  }
+
+  &__label {
+    padding: 0 20px;
+    padding-bottom: 10px;
+    text-transform: uppercase;
+    color: $darker-text-color;
+    font-weight: 500;
+  }
+
+  &__graph {
+    position: absolute;
+    bottom: 0;
+
+    svg {
+      display: block;
+      margin: 0;
+    }
+
+    path:first-child {
+      fill: rgba($highlight-text-color, 0.25) !important;
+      fill-opacity: 1 !important;
+    }
+
+    path:last-child {
+      stroke: lighten($highlight-text-color, 6%) !important;
+      fill: none !important;
+    }
+  }
+}
+
+a.sparkline {
+  &:hover,
+  &:focus,
+  &:active {
+    background: lighten($ui-base-color, 6%);
+  }
+}
+
+.skeleton {
+  background-color: lighten($ui-base-color, 8%);
+  background-image: linear-gradient(90deg, lighten($ui-base-color, 8%), lighten($ui-base-color, 12%), lighten($ui-base-color, 8%));
+  background-size: 200px 100%;
+  background-repeat: no-repeat;
+  border-radius: 4px;
+  display: inline-block;
+  line-height: 1;
+  width: 100%;
+  animation: skeleton 1.2s ease-in-out infinite;
+}
+
+@keyframes skeleton {
+  0% {
+    background-position: -200px 0;
+  }
+
+  100% {
+    background-position: calc(200px + 100%) 0;
+  }
+}
+
+.dimension {
+  table {
+    width: 100%;
+  }
+
+  &__item {
+    border-bottom: 1px solid lighten($ui-base-color, 4%);
+
+    &__key {
+      font-weight: 500;
+      padding: 11px 10px;
+    }
+
+    &__value {
+      text-align: right;
+      color: $darker-text-color;
+      padding: 11px 10px;
+    }
+
+    &__indicator {
+      display: inline-block;
+      width: 8px;
+      height: 8px;
+      border-radius: 50%;
+      background: $ui-highlight-color;
+      margin-right: 10px;
+
+      @for $i from 0 through 10 {
+        &--#{10 * $i} {
+          background-color: rgba($ui-highlight-color, 1 * (math.div(max(1, $i), 10)));
+        }
+      }
+    }
+
+    &:last-child {
+      border-bottom: 0;
+    }
+  }
 }
diff --git a/app/javascript/flavours/glitch/styles/components/search.scss b/app/javascript/flavours/glitch/styles/components/search.scss
index 929769130..f7415368b 100644
--- a/app/javascript/flavours/glitch/styles/components/search.scss
+++ b/app/javascript/flavours/glitch/styles/components/search.scss
@@ -171,7 +171,6 @@
     &__current {
       flex: 0 0 auto;
       font-size: 24px;
-      line-height: 36px;
       font-weight: 500;
       text-align: right;
       padding-right: 15px;
@@ -193,5 +192,57 @@
         fill: none !important;
       }
     }
+
+    &--requires-review {
+      .trends__item__name {
+        color: $gold-star;
+
+        a {
+          color: $gold-star;
+        }
+      }
+
+      .trends__item__current {
+        color: $gold-star;
+      }
+
+      .trends__item__sparkline {
+        path:first-child {
+          fill: rgba($gold-star, 0.25) !important;
+        }
+
+        path:last-child {
+          stroke: lighten($gold-star, 6%) !important;
+        }
+      }
+    }
+
+    &--disabled {
+      .trends__item__name {
+        color: lighten($ui-base-color, 12%);
+
+        a {
+          color: lighten($ui-base-color, 12%);
+        }
+      }
+
+      .trends__item__current {
+        color: lighten($ui-base-color, 12%);
+      }
+
+      .trends__item__sparkline {
+        path:first-child {
+          fill: rgba(lighten($ui-base-color, 12%), 0.25) !important;
+        }
+
+        path:last-child {
+          stroke: lighten(lighten($ui-base-color, 12%), 6%) !important;
+        }
+      }
+    }
+  }
+
+  &--compact &__item {
+    padding: 10px;
   }
 }
diff --git a/app/javascript/flavours/glitch/styles/dashboard.scss b/app/javascript/flavours/glitch/styles/dashboard.scss
index c0944d417..cad5a105b 100644
--- a/app/javascript/flavours/glitch/styles/dashboard.scss
+++ b/app/javascript/flavours/glitch/styles/dashboard.scss
@@ -56,23 +56,56 @@
   }
 }
 
-.dashboard__widgets {
-  display: flex;
-  flex-wrap: wrap;
-  margin: 0 -5px;
+.dashboard {
+  display: grid;
+  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1fr);
+  grid-gap: 10px;
 
-  & > div {
-    flex: 0 0 33.333%;
-    margin-bottom: 20px;
+  &__item {
+    &--span-double-column {
+      grid-column: span 2;
+    }
 
-    & > div {
-      padding: 0 5px;
+    &--span-double-row {
+      grid-row: span 2;
+    }
+
+    h4 {
+      padding-top: 20px;
     }
   }
 
-  a:not(.name-tag) {
-    color: $ui-secondary-color;
-    font-weight: 500;
+  &__quick-access {
+    display: flex;
+    align-items: baseline;
+    border-radius: 4px;
+    background: $ui-highlight-color;
+    color: $primary-text-color;
+    transition: all 100ms ease-in;
+    font-size: 14px;
+    padding: 0 16px;
+    line-height: 36px;
+    height: 36px;
     text-decoration: none;
+    margin-bottom: 4px;
+
+    &:active,
+    &:focus,
+    &:hover {
+      background-color: lighten($ui-highlight-color, 10%);
+      transition: all 200ms ease-out;
+    }
+
+    span {
+      flex: 1 1 auto;
+    }
+
+    .fa {
+      flex: 0 0 auto;
+    }
+
+    strong {
+      font-weight: 700;
+    }
   }
 }
diff --git a/app/javascript/flavours/glitch/theme.yml b/app/javascript/flavours/glitch/theme.yml
index 2a98e4c29..ee2b699b2 100644
--- a/app/javascript/flavours/glitch/theme.yml
+++ b/app/javascript/flavours/glitch/theme.yml
@@ -1,7 +1,7 @@
 #  (REQUIRED) The location of the pack files.
 pack:
   about: packs/about.js
-  admin: packs/public.js
+  admin: packs/admin.js
   auth: packs/public.js
   common:
     filename: packs/common.js
diff --git a/app/javascript/flavours/glitch/util/numbers.js b/app/javascript/flavours/glitch/util/numbers.js
index 6f2505cae..6ef563ad8 100644
--- a/app/javascript/flavours/glitch/util/numbers.js
+++ b/app/javascript/flavours/glitch/util/numbers.js
@@ -69,3 +69,11 @@ export function pluralReady(sourceNumber, division) {
 
   return Math.trunc(sourceNumber / closestScale) * closestScale;
 }
+
+/**
+ * @param {number} num
+ * @returns {number}
+ */
+export function roundTo10(num) {
+  return Math.round(num * 0.1) / 0.1;
+}
diff --git a/app/javascript/flavours/vanilla/theme.yml b/app/javascript/flavours/vanilla/theme.yml
index 74e9fb1b5..3263fd7d4 100644
--- a/app/javascript/flavours/vanilla/theme.yml
+++ b/app/javascript/flavours/vanilla/theme.yml
@@ -1,7 +1,7 @@
 #  (REQUIRED) The location of the pack files inside `pack_directory`.
 pack:
   about: about.js
-  admin: public.js
+  admin: admin.js
   auth: public.js
   common:
     filename: common.js
diff --git a/app/javascript/mastodon/components/admin/Counter.js b/app/javascript/mastodon/components/admin/Counter.js
new file mode 100644
index 000000000..cda572dce
--- /dev/null
+++ b/app/javascript/mastodon/components/admin/Counter.js
@@ -0,0 +1,115 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import api from 'mastodon/api';
+import { FormattedNumber } from 'react-intl';
+import { Sparklines, SparklinesCurve } from 'react-sparklines';
+import classNames from 'classnames';
+import Skeleton from 'mastodon/components/skeleton';
+
+const percIncrease = (a, b) => {
+  let percent;
+
+  if (b !== 0) {
+    if (a !== 0) {
+      percent = (b - a) / a;
+    } else {
+      percent = 1;
+    }
+  } else if (b === 0 && a === 0) {
+    percent = 0;
+  } else {
+    percent = - 1;
+  }
+
+  return percent;
+};
+
+export default class Counter extends React.PureComponent {
+
+  static propTypes = {
+    measure: PropTypes.string.isRequired,
+    start_at: PropTypes.string.isRequired,
+    end_at: PropTypes.string.isRequired,
+    label: PropTypes.string.isRequired,
+    href: PropTypes.string,
+  };
+
+  state = {
+    loading: true,
+    data: null,
+  };
+
+  componentDidMount () {
+    const { measure, start_at, end_at } = this.props;
+
+    api().post('/api/v1/admin/measures', { keys: [measure], start_at, end_at }).then(res => {
+      this.setState({
+        loading: false,
+        data: res.data,
+      });
+    }).catch(err => {
+      console.error(err);
+    });
+  }
+
+  render () {
+    const { label, href } = this.props;
+    const { loading, data } = this.state;
+
+    let content;
+
+    if (loading) {
+      content = (
+        <React.Fragment>
+          <span className='sparkline__value__total'><Skeleton width={43} /></span>
+          <span className='sparkline__value__change'><Skeleton width={43} /></span>
+        </React.Fragment>
+      );
+    } else {
+      const measure = data[0];
+      const percentChange = percIncrease(measure.previous_total * 1, measure.total * 1);
+
+      content = (
+        <React.Fragment>
+          <span className='sparkline__value__total'><FormattedNumber value={measure.total} /></span>
+          <span className={classNames('sparkline__value__change', { positive: percentChange > 0, negative: percentChange < 0 })}>{percentChange > 0 && '+'}<FormattedNumber value={percentChange} style='percent' /></span>
+        </React.Fragment>
+      );
+    }
+
+    const inner = (
+      <React.Fragment>
+        <div className='sparkline__value'>
+          {content}
+        </div>
+
+        <div className='sparkline__label'>
+          {label}
+        </div>
+
+        <div className='sparkline__graph'>
+          {!loading && (
+            <Sparklines width={259} height={55} data={data[0].data.map(x => x.value * 1)}>
+              <SparklinesCurve />
+            </Sparklines>
+          )}
+        </div>
+      </React.Fragment>
+    );
+
+    if (href) {
+      return (
+        <a href={href} className='sparkline'>
+          {inner}
+        </a>
+      );
+    } else {
+      return (
+        <div className='sparkline'>
+          {inner}
+        </div>
+      );
+    }
+  }
+
+}
diff --git a/app/javascript/mastodon/components/admin/Dimension.js b/app/javascript/mastodon/components/admin/Dimension.js
new file mode 100644
index 000000000..ac6dbd1c7
--- /dev/null
+++ b/app/javascript/mastodon/components/admin/Dimension.js
@@ -0,0 +1,92 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import api from 'mastodon/api';
+import { FormattedNumber } from 'react-intl';
+import { roundTo10 } from 'mastodon/utils/numbers';
+import Skeleton from 'mastodon/components/skeleton';
+
+export default class Dimension extends React.PureComponent {
+
+  static propTypes = {
+    dimension: PropTypes.string.isRequired,
+    start_at: PropTypes.string.isRequired,
+    end_at: PropTypes.string.isRequired,
+    limit: PropTypes.number.isRequired,
+    label: PropTypes.string.isRequired,
+  };
+
+  state = {
+    loading: true,
+    data: null,
+  };
+
+  componentDidMount () {
+    const { start_at, end_at, dimension, limit } = this.props;
+
+    api().post('/api/v1/admin/dimensions', { keys: [dimension], start_at, end_at, limit }).then(res => {
+      this.setState({
+        loading: false,
+        data: res.data,
+      });
+    }).catch(err => {
+      console.error(err);
+    });
+  }
+
+  render () {
+    const { label, limit } = this.props;
+    const { loading, data } = this.state;
+
+    let content;
+
+    if (loading) {
+      content = (
+        <table>
+          <tbody>
+            {Array.from(Array(limit)).map((_, i) => (
+              <tr className='dimension__item' key={i}>
+                <td className='dimension__item__key'>
+                  <Skeleton width={100} />
+                </td>
+
+                <td className='dimension__item__value'>
+                  <Skeleton width={60} />
+                </td>
+              </tr>
+            ))}
+          </tbody>
+        </table>
+      );
+    } else {
+      const sum = data[0].data.reduce((sum, cur) => sum + (cur.value * 1), 0);
+
+      content = (
+        <table>
+          <tbody>
+            {data[0].data.map(item => (
+              <tr className='dimension__item' key={item.key}>
+                <td className='dimension__item__key'>
+                  <span className={`dimension__item__indicator dimension__item__indicator--${roundTo10(((item.value * 1) / sum) * 100)}`} />
+                  <span title={item.key}>{item.human_key}</span>
+                </td>
+
+                <td className='dimension__item__value'>
+                  {typeof item.human_value !== 'undefined' ? item.human_value : <FormattedNumber value={item.value} />}
+                </td>
+              </tr>
+            ))}
+          </tbody>
+        </table>
+      );
+    }
+
+    return (
+      <div className='dimension'>
+        <h4>{label}</h4>
+
+        {content}
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/mastodon/components/admin/Retention.js b/app/javascript/mastodon/components/admin/Retention.js
new file mode 100644
index 000000000..aa06722f7
--- /dev/null
+++ b/app/javascript/mastodon/components/admin/Retention.js
@@ -0,0 +1,141 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import api from 'mastodon/api';
+import { FormattedMessage, FormattedNumber, FormattedDate } from 'react-intl';
+import classNames from 'classnames';
+import { roundTo10 } from 'mastodon/utils/numbers';
+
+const dateForCohort = cohort => {
+  switch(cohort.frequency) {
+  case 'day':
+    return <FormattedDate value={cohort.period} month='long' day='2-digit' />;
+  default:
+    return <FormattedDate value={cohort.period} month='long' year='numeric' />;
+  }
+};
+
+export default class Retention extends React.PureComponent {
+
+  static propTypes = {
+    start_at: PropTypes.string,
+    end_at: PropTypes.string,
+    frequency: PropTypes.string,
+  };
+
+  state = {
+    loading: true,
+    data: null,
+  };
+
+  componentDidMount () {
+    const { start_at, end_at, frequency } = this.props;
+
+    api().post('/api/v1/admin/retention', { start_at, end_at, frequency }).then(res => {
+      this.setState({
+        loading: false,
+        data: res.data,
+      });
+    }).catch(err => {
+      console.error(err);
+    });
+  }
+
+  render () {
+    const { loading, data } = this.state;
+
+    let content;
+
+    if (loading) {
+      content = <FormattedMessage id='loading_indicator.label' defaultMessage='Loading...' />;
+    } else {
+      content = (
+        <table className='retention__table'>
+          <thead>
+            <tr>
+              <th>
+                <div className='retention__table__date retention__table__label'>
+                  <FormattedMessage id='admin.dashboard.retention.cohort' defaultMessage='Sign-up month' />
+                </div>
+              </th>
+
+              <th>
+                <div className='retention__table__number retention__table__label'>
+                  <FormattedMessage id='admin.dashboard.retention.cohort_size' defaultMessage='New users' />
+                </div>
+              </th>
+
+              {data[0].data.slice(1).map((retention, i) => (
+                <th key={retention.date}>
+                  <div className='retention__table__number retention__table__label'>
+                    {i + 1}
+                  </div>
+                </th>
+              ))}
+            </tr>
+
+            <tr>
+              <td>
+                <div className='retention__table__date retention__table__average'>
+                  <FormattedMessage id='admin.dashboard.retention.average' defaultMessage='Average' />
+                </div>
+              </td>
+
+              <td>
+                <div className='retention__table__size'>
+                  <FormattedNumber value={data.reduce((sum, cohort, i) => sum + ((cohort.data[0].value * 1) - sum) / (i + 1), 0)} maximumFractionDigits={0} />
+                </div>
+              </td>
+
+              {data[0].data.slice(1).map((retention, i) => {
+                const average = data.reduce((sum, cohort, k) => cohort.data[i + 1] ? sum + (cohort.data[i + 1].percent - sum)/(k + 1) : sum, 0);
+
+                return (
+                  <td key={retention.date}>
+                    <div className={classNames('retention__table__box', 'retention__table__average', `retention__table__box--${roundTo10(average * 100)}`)}>
+                      <FormattedNumber value={average} style='percent' />
+                    </div>
+                  </td>
+                );
+              })}
+            </tr>
+          </thead>
+
+          <tbody>
+            {data.slice(0, -1).map(cohort => (
+              <tr key={cohort.period}>
+                <td>
+                  <div className='retention__table__date'>
+                    {dateForCohort(cohort)}
+                  </div>
+                </td>
+
+                <td>
+                  <div className='retention__table__size'>
+                    <FormattedNumber value={cohort.data[0].value} />
+                  </div>
+                </td>
+
+                {cohort.data.slice(1).map(retention => (
+                  <td key={retention.date}>
+                    <div className={classNames('retention__table__box', `retention__table__box--${roundTo10(retention.percent * 100)}`)}>
+                      <FormattedNumber value={retention.percent} style='percent' />
+                    </div>
+                  </td>
+                ))}
+              </tr>
+            ))}
+          </tbody>
+        </table>
+      );
+    }
+
+    return (
+      <div className='retention'>
+        <h4><FormattedMessage id='admin.dashboard.retention' defaultMessage='Retention' /></h4>
+
+        {content}
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/mastodon/components/admin/Trends.js b/app/javascript/mastodon/components/admin/Trends.js
new file mode 100644
index 000000000..46307a28a
--- /dev/null
+++ b/app/javascript/mastodon/components/admin/Trends.js
@@ -0,0 +1,73 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import api from 'mastodon/api';
+import { FormattedMessage } from 'react-intl';
+import classNames from 'classnames';
+import Hashtag from 'mastodon/components/hashtag';
+
+export default class Trends extends React.PureComponent {
+
+  static propTypes = {
+    limit: PropTypes.number.isRequired,
+  };
+
+  state = {
+    loading: true,
+    data: null,
+  };
+
+  componentDidMount () {
+    const { limit } = this.props;
+
+    api().get('/api/v1/admin/trends', { params: { limit } }).then(res => {
+      this.setState({
+        loading: false,
+        data: res.data,
+      });
+    }).catch(err => {
+      console.error(err);
+    });
+  }
+
+  render () {
+    const { limit } = this.props;
+    const { loading, data } = this.state;
+
+    let content;
+
+    if (loading) {
+      content = (
+        <div>
+          {Array.from(Array(limit)).map((_, i) => (
+            <Hashtag key={i} />
+          ))}
+        </div>
+      );
+    } else {
+      content = (
+        <div>
+          {data.map(hashtag => (
+            <Hashtag
+              key={hashtag.name}
+              name={hashtag.name}
+              href={`/admin/tags/${hashtag.id}`}
+              people={hashtag.history[0].accounts * 1 + hashtag.history[1].accounts * 1}
+              uses={hashtag.history[0].uses * 1 + hashtag.history[1].uses * 1}
+              history={hashtag.history.reverse().map(day => day.uses)}
+              className={classNames(hashtag.requires_review && 'trends__item--requires-review', !hashtag.trendable && !hashtag.requires_review && 'trends__item--disabled')}
+            />
+          ))}
+        </div>
+      );
+    }
+
+    return (
+      <div className='trends trends--compact'>
+        <h4><FormattedMessage id='trends.trending_now' defaultMessage='Trending now' /></h4>
+
+        {content}
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/mastodon/components/hashtag.js b/app/javascript/mastodon/components/hashtag.js
index 1a7edf6e0..a793a32f5 100644
--- a/app/javascript/mastodon/components/hashtag.js
+++ b/app/javascript/mastodon/components/hashtag.js
@@ -6,6 +6,8 @@ import PropTypes from 'prop-types';
 import ImmutablePropTypes from 'react-immutable-proptypes';
 import Permalink from './permalink';
 import ShortNumber from 'mastodon/components/short_number';
+import Skeleton from 'mastodon/components/skeleton';
+import classNames from 'classnames';
 
 class SilentErrorBoundary extends React.Component {
 
@@ -47,45 +49,38 @@ const accountsCountRenderer = (displayNumber, pluralReady) => (
   />
 );
 
-const Hashtag = ({ hashtag }) => (
-  <div className='trends__item'>
+export const ImmutableHashtag = ({ hashtag }) => (
+  <Hashtag
+    name={hashtag.get('name')}
+    href={hashtag.get('url')}
+    to={`/tags/${hashtag.get('name')}`}
+    people={hashtag.getIn(['history', 0, 'accounts']) * 1 + hashtag.getIn(['history', 1, 'accounts']) * 1}
+    uses={hashtag.getIn(['history', 0, 'uses']) * 1 + hashtag.getIn(['history', 1, 'uses']) * 1}
+    history={hashtag.get('history').reverse().map((day) => day.get('uses')).toArray()}
+  />
+);
+
+ImmutableHashtag.propTypes = {
+  hashtag: ImmutablePropTypes.map.isRequired,
+};
+
+const Hashtag = ({ name, href, to, people, uses, history, className }) => (
+  <div className={classNames('trends__item', className)}>
     <div className='trends__item__name'>
-      <Permalink
-        href={hashtag.get('url')}
-        to={`/tags/${hashtag.get('name')}`}
-      >
-        #<span>{hashtag.get('name')}</span>
+      <Permalink href={href} to={to}>
+        {name ? <React.Fragment>#<span>{name}</span></React.Fragment> : <Skeleton width={50} />}
       </Permalink>
 
-      <ShortNumber
-        value={
-          hashtag.getIn(['history', 0, 'accounts']) * 1 +
-          hashtag.getIn(['history', 1, 'accounts']) * 1
-        }
-        renderer={accountsCountRenderer}
-      />
+      {typeof people !== 'undefined' ? <ShortNumber value={people} renderer={accountsCountRenderer} /> : <Skeleton width={100} />}
     </div>
 
     <div className='trends__item__current'>
-      <ShortNumber
-        value={
-          hashtag.getIn(['history', 0, 'uses']) * 1 +
-          hashtag.getIn(['history', 1, 'uses']) * 1
-        }
-      />
+      {typeof uses !== 'undefined' ? <ShortNumber value={uses} /> : <Skeleton width={42} height={36} />}
     </div>
 
     <div className='trends__item__sparkline'>
       <SilentErrorBoundary>
-        <Sparklines
-          width={50}
-          height={28}
-          data={hashtag
-            .get('history')
-            .reverse()
-            .map((day) => day.get('uses'))
-            .toArray()}
-        >
+        <Sparklines width={50} height={28} data={history ? history : Array.from(Array(7)).map(() => 0)}>
           <SparklinesCurve style={{ fill: 'none' }} />
         </Sparklines>
       </SilentErrorBoundary>
@@ -94,7 +89,13 @@ const Hashtag = ({ hashtag }) => (
 );
 
 Hashtag.propTypes = {
-  hashtag: ImmutablePropTypes.map.isRequired,
+  name: PropTypes.string,
+  href: PropTypes.string,
+  to: PropTypes.string,
+  people: PropTypes.number,
+  uses: PropTypes.number,
+  history: PropTypes.arrayOf(PropTypes.number),
+  className: PropTypes.string,
 };
 
 export default Hashtag;
diff --git a/app/javascript/mastodon/components/skeleton.js b/app/javascript/mastodon/components/skeleton.js
new file mode 100644
index 000000000..09093e99c
--- /dev/null
+++ b/app/javascript/mastodon/components/skeleton.js
@@ -0,0 +1,11 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+
+const Skeleton = ({ width, height }) => <span className='skeleton' style={{ width, height }}>&zwnj;</span>;
+
+Skeleton.propTypes = {
+  width: PropTypes.number,
+  height: PropTypes.number,
+};
+
+export default Skeleton;
diff --git a/app/javascript/mastodon/containers/admin_component.js b/app/javascript/mastodon/containers/admin_component.js
new file mode 100644
index 000000000..816b44bd1
--- /dev/null
+++ b/app/javascript/mastodon/containers/admin_component.js
@@ -0,0 +1,26 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import { IntlProvider, addLocaleData } from 'react-intl';
+import { getLocale } from '../locales';
+
+const { localeData, messages } = getLocale();
+addLocaleData(localeData);
+
+export default class AdminComponent extends React.PureComponent {
+
+  static propTypes = {
+    locale: PropTypes.string.isRequired,
+    children: PropTypes.node.isRequired,
+  };
+
+  render () {
+    const { locale, children } = this.props;
+
+    return (
+      <IntlProvider locale={locale} messages={messages}>
+        {children}
+      </IntlProvider>
+    );
+  }
+
+}
diff --git a/app/javascript/mastodon/containers/media_container.js b/app/javascript/mastodon/containers/media_container.js
index 52fdc9294..2f42a084f 100644
--- a/app/javascript/mastodon/containers/media_container.js
+++ b/app/javascript/mastodon/containers/media_container.js
@@ -7,7 +7,7 @@ import { getLocale } from 'mastodon/locales';
 import { getScrollbarWidth } from 'mastodon/utils/scrollbar';
 import MediaGallery from 'mastodon/components/media_gallery';
 import Poll from 'mastodon/components/poll';
-import Hashtag from 'mastodon/components/hashtag';
+import { ImmutableHashtag as Hashtag } from 'mastodon/components/hashtag';
 import ModalRoot from 'mastodon/components/modal_root';
 import MediaModal from 'mastodon/features/ui/components/media_modal';
 import Video from 'mastodon/features/video';
diff --git a/app/javascript/mastodon/features/compose/components/search_results.js b/app/javascript/mastodon/features/compose/components/search_results.js
index 958a65286..9b3d01cfd 100644
--- a/app/javascript/mastodon/features/compose/components/search_results.js
+++ b/app/javascript/mastodon/features/compose/components/search_results.js
@@ -5,7 +5,7 @@ import { FormattedMessage, defineMessages, injectIntl } from 'react-intl';
 import AccountContainer from '../../../containers/account_container';
 import StatusContainer from '../../../containers/status_container';
 import ImmutablePureComponent from 'react-immutable-pure-component';
-import Hashtag from '../../../components/hashtag';
+import { ImmutableHashtag as Hashtag } from '../../../components/hashtag';
 import Icon from 'mastodon/components/icon';
 import { searchEnabled } from '../../../initial_state';
 import LoadMore from 'mastodon/components/load_more';
diff --git a/app/javascript/mastodon/features/getting_started/components/trends.js b/app/javascript/mastodon/features/getting_started/components/trends.js
index 3b9a3075f..71c7c458d 100644
--- a/app/javascript/mastodon/features/getting_started/components/trends.js
+++ b/app/javascript/mastodon/features/getting_started/components/trends.js
@@ -2,7 +2,7 @@ import React from 'react';
 import ImmutablePureComponent from 'react-immutable-pure-component';
 import PropTypes from 'prop-types';
 import ImmutablePropTypes from 'react-immutable-proptypes';
-import Hashtag from 'mastodon/components/hashtag';
+import { ImmutableHashtag as Hashtag } from 'mastodon/components/hashtag';
 import { FormattedMessage } from 'react-intl';
 
 export default class Trends extends ImmutablePureComponent {
diff --git a/app/javascript/mastodon/utils/numbers.js b/app/javascript/mastodon/utils/numbers.js
index 6f2505cae..6ef563ad8 100644
--- a/app/javascript/mastodon/utils/numbers.js
+++ b/app/javascript/mastodon/utils/numbers.js
@@ -69,3 +69,11 @@ export function pluralReady(sourceNumber, division) {
 
   return Math.trunc(sourceNumber / closestScale) * closestScale;
 }
+
+/**
+ * @param {number} num
+ * @returns {number}
+ */
+export function roundTo10(num) {
+  return Math.round(num * 0.1) / 0.1;
+}
diff --git a/app/javascript/packs/admin.js b/app/javascript/packs/admin.js
new file mode 100644
index 000000000..599015000
--- /dev/null
+++ b/app/javascript/packs/admin.js
@@ -0,0 +1,24 @@
+import './public-path';
+import ready from '../mastodon/ready';
+
+ready(() => {
+  const React    = require('react');
+  const ReactDOM = require('react-dom');
+
+  [].forEach.call(document.querySelectorAll('[data-admin-component]'), element => {
+    const componentName  = element.getAttribute('data-admin-component');
+    const { locale, ...componentProps } = JSON.parse(element.getAttribute('data-props'));
+
+    import('../mastodon/containers/admin_component').then(({ default: AdminComponent }) => {
+      return import('../mastodon/components/admin/' + componentName).then(({ default: Component }) => {
+        ReactDOM.render((
+          <AdminComponent locale={locale}>
+            <Component {...componentProps} />
+          </AdminComponent>
+        ), element);
+      });
+    }).catch(error => {
+      console.error(error);
+    });
+  });
+});
diff --git a/app/javascript/styles/fonts/montserrat.scss b/app/javascript/styles/fonts/montserrat.scss
index 80c2329b0..2abcb0c2b 100644
--- a/app/javascript/styles/fonts/montserrat.scss
+++ b/app/javascript/styles/fonts/montserrat.scss
@@ -5,6 +5,7 @@
     url('~fonts/montserrat/Montserrat-Regular.woff') format('woff'),
     url('~fonts/montserrat/Montserrat-Regular.ttf') format('truetype');
   font-weight: 400;
+  font-display: swap;
   font-style: normal;
 }
 
@@ -13,5 +14,6 @@
   src: local('Montserrat Medium'),
     url('~fonts/montserrat/Montserrat-Medium.ttf') format('truetype');
   font-weight: 500;
+  font-display: swap;
   font-style: normal;
 }
diff --git a/app/javascript/styles/fonts/roboto-mono.scss b/app/javascript/styles/fonts/roboto-mono.scss
index c793aa6ed..a9513dcce 100644
--- a/app/javascript/styles/fonts/roboto-mono.scss
+++ b/app/javascript/styles/fonts/roboto-mono.scss
@@ -6,5 +6,6 @@
     url('~fonts/roboto-mono/robotomono-regular-webfont.ttf') format('truetype'),
     url('~fonts/roboto-mono/robotomono-regular-webfont.svg#roboto_monoregular') format('svg');
   font-weight: 400;
+  font-display: swap;
   font-style: normal;
 }
diff --git a/app/javascript/styles/fonts/roboto.scss b/app/javascript/styles/fonts/roboto.scss
index b75fdb927..817b448c1 100644
--- a/app/javascript/styles/fonts/roboto.scss
+++ b/app/javascript/styles/fonts/roboto.scss
@@ -6,6 +6,7 @@
     url('~fonts/roboto/roboto-italic-webfont.ttf') format('truetype'),
     url('~fonts/roboto/roboto-italic-webfont.svg#roboto-italic-webfont') format('svg');
   font-weight: normal;
+  font-display: swap;
   font-style: italic;
 }
 
@@ -17,6 +18,7 @@
     url('~fonts/roboto/roboto-bold-webfont.ttf') format('truetype'),
     url('~fonts/roboto/roboto-bold-webfont.svg#roboto-bold-webfont') format('svg');
   font-weight: bold;
+  font-display: swap;
   font-style: normal;
 }
 
@@ -28,6 +30,7 @@
     url('~fonts/roboto/roboto-medium-webfont.ttf') format('truetype'),
     url('~fonts/roboto/roboto-medium-webfont.svg#roboto-medium-webfont') format('svg');
   font-weight: 500;
+  font-display: swap;
   font-style: normal;
 }
 
@@ -39,5 +42,6 @@
     url('~fonts/roboto/roboto-regular-webfont.ttf') format('truetype'),
     url('~fonts/roboto/roboto-regular-webfont.svg#roboto-regular-webfont') format('svg');
   font-weight: normal;
+  font-display: swap;
   font-style: normal;
 }
diff --git a/app/javascript/styles/mastodon/admin.scss b/app/javascript/styles/mastodon/admin.scss
index 4801a4644..24618c29f 100644
--- a/app/javascript/styles/mastodon/admin.scss
+++ b/app/javascript/styles/mastodon/admin.scss
@@ -1,3 +1,5 @@
+@use "sass:math";
+
 $no-columns-breakpoint: 600px;
 $sidebar-width: 240px;
 $content-width: 840px;
@@ -925,10 +927,197 @@ a.name-tag,
   }
 }
 
+.dashboard__counters.admin-account-counters {
+  margin-top: 10px;
+}
+
 .account-badges {
   margin: -2px 0;
 }
 
-.dashboard__counters.admin-account-counters {
-  margin-top: 10px;
+.retention {
+  &__table {
+    &__number {
+      color: $secondary-text-color;
+      padding: 10px;
+    }
+
+    &__date {
+      white-space: nowrap;
+      padding: 10px 0;
+      text-align: left;
+      min-width: 120px;
+
+      &.retention__table__average {
+        font-weight: 700;
+      }
+    }
+
+    &__size {
+      text-align: center;
+      padding: 10px;
+    }
+
+    &__label {
+      font-weight: 700;
+      color: $darker-text-color;
+    }
+
+    &__box {
+      box-sizing: border-box;
+      background: $ui-highlight-color;
+      padding: 10px;
+      font-weight: 500;
+      color: $primary-text-color;
+      width: 52px;
+      margin: 1px;
+
+      @for $i from 0 through 10 {
+        &--#{10 * $i} {
+          background-color: rgba($ui-highlight-color, 1 * (math.div(max(1, $i), 10)));
+        }
+      }
+    }
+  }
+}
+
+.sparkline {
+  display: block;
+  text-decoration: none;
+  background: lighten($ui-base-color, 4%);
+  border-radius: 4px;
+  padding: 0;
+  position: relative;
+  padding-bottom: 55px + 20px;
+  overflow: hidden;
+
+  &__value {
+    display: flex;
+    line-height: 33px;
+    align-items: flex-end;
+    padding: 20px;
+    padding-bottom: 10px;
+
+    &__total {
+      display: block;
+      margin-right: 10px;
+      font-weight: 500;
+      font-size: 28px;
+      color: $primary-text-color;
+    }
+
+    &__change {
+      display: block;
+      font-weight: 500;
+      font-size: 18px;
+      color: $darker-text-color;
+      margin-bottom: -3px;
+
+      &.positive {
+        color: $valid-value-color;
+      }
+
+      &.negative {
+        color: $error-value-color;
+      }
+    }
+  }
+
+  &__label {
+    padding: 0 20px;
+    padding-bottom: 10px;
+    text-transform: uppercase;
+    color: $darker-text-color;
+    font-weight: 500;
+  }
+
+  &__graph {
+    position: absolute;
+    bottom: 0;
+
+    svg {
+      display: block;
+      margin: 0;
+    }
+
+    path:first-child {
+      fill: rgba($highlight-text-color, 0.25) !important;
+      fill-opacity: 1 !important;
+    }
+
+    path:last-child {
+      stroke: lighten($highlight-text-color, 6%) !important;
+      fill: none !important;
+    }
+  }
+}
+
+a.sparkline {
+  &:hover,
+  &:focus,
+  &:active {
+    background: lighten($ui-base-color, 6%);
+  }
+}
+
+.skeleton {
+  background-color: lighten($ui-base-color, 8%);
+  background-image: linear-gradient(90deg, lighten($ui-base-color, 8%), lighten($ui-base-color, 12%), lighten($ui-base-color, 8%));
+  background-size: 200px 100%;
+  background-repeat: no-repeat;
+  border-radius: 4px;
+  display: inline-block;
+  line-height: 1;
+  width: 100%;
+  animation: skeleton 1.2s ease-in-out infinite;
+}
+
+@keyframes skeleton {
+  0% {
+    background-position: -200px 0;
+  }
+
+  100% {
+    background-position: calc(200px + 100%) 0;
+  }
+}
+
+.dimension {
+  table {
+    width: 100%;
+  }
+
+  &__item {
+    border-bottom: 1px solid lighten($ui-base-color, 4%);
+
+    &__key {
+      font-weight: 500;
+      padding: 11px 10px;
+    }
+
+    &__value {
+      text-align: right;
+      color: $darker-text-color;
+      padding: 11px 10px;
+    }
+
+    &__indicator {
+      display: inline-block;
+      width: 8px;
+      height: 8px;
+      border-radius: 50%;
+      background: $ui-highlight-color;
+      margin-right: 10px;
+
+      @for $i from 0 through 10 {
+        &--#{10 * $i} {
+          background-color: rgba($ui-highlight-color, 1 * (math.div(max(1, $i), 10)));
+        }
+      }
+    }
+
+    &:last-child {
+      border-bottom: 0;
+    }
+  }
 }
diff --git a/app/javascript/styles/mastodon/components.scss b/app/javascript/styles/mastodon/components.scss
index 12bc472f5..c239d4c78 100644
--- a/app/javascript/styles/mastodon/components.scss
+++ b/app/javascript/styles/mastodon/components.scss
@@ -6955,7 +6955,6 @@ noscript {
     &__current {
       flex: 0 0 auto;
       font-size: 24px;
-      line-height: 36px;
       font-weight: 500;
       text-align: right;
       padding-right: 15px;
@@ -6977,6 +6976,58 @@ noscript {
         fill: none !important;
       }
     }
+
+    &--requires-review {
+      .trends__item__name {
+        color: $gold-star;
+
+        a {
+          color: $gold-star;
+        }
+      }
+
+      .trends__item__current {
+        color: $gold-star;
+      }
+
+      .trends__item__sparkline {
+        path:first-child {
+          fill: rgba($gold-star, 0.25) !important;
+        }
+
+        path:last-child {
+          stroke: lighten($gold-star, 6%) !important;
+        }
+      }
+    }
+
+    &--disabled {
+      .trends__item__name {
+        color: lighten($ui-base-color, 12%);
+
+        a {
+          color: lighten($ui-base-color, 12%);
+        }
+      }
+
+      .trends__item__current {
+        color: lighten($ui-base-color, 12%);
+      }
+
+      .trends__item__sparkline {
+        path:first-child {
+          fill: rgba(lighten($ui-base-color, 12%), 0.25) !important;
+        }
+
+        path:last-child {
+          stroke: lighten(lighten($ui-base-color, 12%), 6%) !important;
+        }
+      }
+    }
+  }
+
+  &--compact &__item {
+    padding: 10px;
   }
 }
 
diff --git a/app/javascript/styles/mastodon/dashboard.scss b/app/javascript/styles/mastodon/dashboard.scss
index c0944d417..cad5a105b 100644
--- a/app/javascript/styles/mastodon/dashboard.scss
+++ b/app/javascript/styles/mastodon/dashboard.scss
@@ -56,23 +56,56 @@
   }
 }
 
-.dashboard__widgets {
-  display: flex;
-  flex-wrap: wrap;
-  margin: 0 -5px;
+.dashboard {
+  display: grid;
+  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1fr);
+  grid-gap: 10px;
 
-  & > div {
-    flex: 0 0 33.333%;
-    margin-bottom: 20px;
+  &__item {
+    &--span-double-column {
+      grid-column: span 2;
+    }
 
-    & > div {
-      padding: 0 5px;
+    &--span-double-row {
+      grid-row: span 2;
+    }
+
+    h4 {
+      padding-top: 20px;
     }
   }
 
-  a:not(.name-tag) {
-    color: $ui-secondary-color;
-    font-weight: 500;
+  &__quick-access {
+    display: flex;
+    align-items: baseline;
+    border-radius: 4px;
+    background: $ui-highlight-color;
+    color: $primary-text-color;
+    transition: all 100ms ease-in;
+    font-size: 14px;
+    padding: 0 16px;
+    line-height: 36px;
+    height: 36px;
     text-decoration: none;
+    margin-bottom: 4px;
+
+    &:active,
+    &:focus,
+    &:hover {
+      background-color: lighten($ui-highlight-color, 10%);
+      transition: all 200ms ease-out;
+    }
+
+    span {
+      flex: 1 1 auto;
+    }
+
+    .fa {
+      flex: 0 0 auto;
+    }
+
+    strong {
+      font-weight: 700;
+    }
   }
 }