diff --git a/app/components/stats.hbs b/app/components/stats.hbs
new file mode 100644
index 0000000..b6ad9fc
--- /dev/null
+++ b/app/components/stats.hbs
@@ -0,0 +1,123 @@
+<details data-test-completed-rules>
+  <summary>Stats</summary>
+  <div class="stats-wrapper">
+    {{#if this.removedToday.size}}
+      <div class="stat-card">
+        🎉🌅 Rules removed today
+
+        <ul>
+          {{#each this.removedToday as |rule|}}
+            <li>
+              <LinkTo @route="rule" @model={{rule}}>{{rule}}</LinkTo>
+            </li>
+          {{/each}}
+        </ul>
+      </div>
+    {{/if}}
+
+    {{#if this.removedThisWeek.size}}
+      <div class="stat-card">
+        🎉🗓️ Rules removed this week
+
+        <ul>
+          {{#each this.removedThisWeek as |rule|}}
+            <li>
+              <LinkTo @route="rule" @model={{rule}}>{{rule}}</LinkTo>
+            </li>
+          {{/each}}
+        </ul>
+      </div>
+    {{/if}}
+
+    {{#if this.improvedToday}}
+      <div class="stat-card">
+        📉🌅 Biggest improvement since yesterday:
+        <div class="my-2">
+          <LinkTo
+            @route="rule"
+            @model={{this.improvedToday.rule}}
+          >{{this.improvedToday.rule}}</LinkTo></div>
+        which has removed
+        {{absolute this.improvedToday.value}}
+        files
+      </div>
+    {{/if}}
+
+    {{#if this.improvedThisWeek}}
+      <div class="stat-card">
+        📉🗓️ Biggest improvment this week:
+
+        <div class="my-2">
+          <LinkTo @route="rule" @model={{this.improvedThisWeek.rule}}>
+            {{this.improvedThisWeek.rule}}</LinkTo>
+        </div>
+        which has removed
+        {{absolute this.improvedThisWeek.value}}
+        files
+
+      </div>
+    {{/if}}
+  </div>
+
+  <div class="stats-wrapper">
+    {{#if this.newToday.size}}
+      <div class="stat-card">
+        🆕🌅 New rules added since yesterday:
+
+        <ul>
+          {{#each this.newToday as |rule|}}
+            <li><LinkTo @route="rule" @model={{rule}}>{{rule}}</LinkTo></li>
+          {{/each}}
+        </ul>
+      </div>
+    {{/if}}
+
+    {{#if this.newThisWeek.size}}
+      <div class="stat-card">
+        🆕🗓️ New rules added this week:
+
+        <ul>
+          {{#each this.newThisWeek as |rule|}}
+            <li><LinkTo @route="rule" @model={{rule}}>{{rule}}</LinkTo></li>
+          {{/each}}
+        </ul>
+      </div>
+    {{/if}}
+
+    {{#if this.mostAddedToday}}
+      <div class="stat-card">
+        📈🌅 Most new files since yesterday:
+
+        <div class="my-2">
+          <LinkTo
+            @route="rule"
+            @model={{this.mostAddedToday.rule}}
+          >{{this.mostAddedToday.rule}}</LinkTo>
+        </div>
+
+        which added
+        {{this.mostAddedToday.value}}
+        files
+
+      </div>
+    {{/if}}
+
+    {{#if this.mostAddedThisWeek}}
+      <div class="stat-card">
+        📈🗓️ Most new files this week:
+
+        <div class="my-2">
+          <LinkTo
+            @route="rule"
+            @model={{this.mostAddedThisWeek.rule}}
+          >{{this.mostAddedThisWeek.rule}}</LinkTo>
+        </div>
+
+        which added
+        {{this.mostAddedThisWeek.value}}
+        files
+
+      </div>
+    {{/if}}
+  </div>
+</details>
\ No newline at end of file
diff --git a/app/components/stats.js b/app/components/stats.js
new file mode 100644
index 0000000..1b964d9
--- /dev/null
+++ b/app/components/stats.js
@@ -0,0 +1,114 @@
+import Component from '@glimmer/component';
+
+export default class Stats extends Component {
+  get improvedToday() {
+    let biggest;
+
+    for (let [rule, value] of Object.entries(this.args.data?.today?.changed)) {
+      if (value > 0) {
+        continue;
+      }
+      // removing trumps improvement
+      if (this.removedToday.has(rule)) {
+        continue;
+      }
+      // remember smaller numbers are bigger "improvmeents";
+      if (!biggest || value < biggest.value) {
+        biggest = { rule, value };
+      }
+    }
+    return biggest;
+  }
+
+  get improvedThisWeek() {
+    let biggest;
+
+    for (let [rule, value] of Object.entries(
+      this.args.data?.thisWeek?.changed,
+    )) {
+      if (
+        value > 0 ||
+        rule === this.improvedToday?.rule ||
+        value >= this.improvedToday?.value
+      ) {
+        continue;
+      }
+
+      // removing trumps improvement
+      if (this.removedThisWeek.has(rule)) {
+        continue;
+      }
+
+      // remember smaller numbers are bigger "improvmeents";
+      if (!biggest || value < biggest.value) {
+        biggest = { rule, value };
+      }
+    }
+
+    return biggest;
+  }
+
+  get mostAddedToday() {
+    let biggest;
+
+    for (let [rule, value] of Object.entries(this.args.data?.today?.changed)) {
+      if (value < 0) {
+        continue;
+      }
+      // new trumps added
+      if (this.newToday.has(rule)) {
+        continue;
+      }
+
+      if (!biggest || value > biggest.value) {
+        biggest = { rule, value };
+      }
+    }
+    return biggest;
+  }
+
+  get mostAddedThisWeek() {
+    let biggest;
+
+    for (let [rule, value] of Object.entries(
+      this.args.data?.thisWeek?.changed,
+    )) {
+      if (
+        value < 0 ||
+        rule === this.mostAddedToday?.rule ||
+        value <= this.mostAddedToday?.value
+      ) {
+        continue;
+      }
+
+      // new trumps added
+      if (this.newToday.has(rule) || this.newThisWeek.has(rule)) {
+        continue;
+      }
+
+      if (!biggest || value > biggest.value) {
+        biggest = { rule, value };
+      }
+    }
+
+    return biggest;
+  }
+
+  get newToday() {
+    return new Set(this.args.data?.today?.added);
+  }
+
+  get newThisWeek() {
+    return new Set(this.args.data.thisWeek.added).difference(this.newToday);
+  }
+
+  get removedToday() {
+    return new Set(this.args.data?.today?.removed);
+  }
+
+  get removedThisWeek() {
+    return new Set(this.args.data.thisWeek.removed).difference(
+      this.removedToday,
+    );
+  }
+}
diff --git a/app/helpers/absolute.js b/app/helpers/absolute.js
new file mode 100644
index 0000000..a6b9387
--- /dev/null
+++ b/app/helpers/absolute.js
@@ -0,0 +1,5 @@
+import { helper } from '@ember/component/helper';
+
+export default helper(function absolute(positional /*, named*/) {
+  return Math.abs(positional);
+});
diff --git a/app/routes/application.js b/app/routes/application.js
index 40025b5..b73e6a2 100644
--- a/app/routes/application.js
+++ b/app/routes/application.js
@@ -1,30 +1,98 @@
 /* eslint-disable prettier/prettier */
 import Route from '@ember/routing/route';
 import fetch from 'fetch';
+import { Temporal } from 'temporal-polyfill'
 
 import env from 'lint-to-the-future/config/environment';
 
 import timeSeries from 'lint-to-the-future/utils/time-series';
 
+function lengthOrValuOrZero(data) {
+  if(!data) {
+    return 0;
+  }
+  return data.length ?? data;
+}
+
+function compareData(data, today, past) {
+  const timeSeriesData = timeSeries(data);
+
+  let changed = {}
+  let removed = [];
+  let added = [];
+
+  for(let rule in timeSeriesData) {
+    let diff = lengthOrValuOrZero(timeSeriesData[rule][today]) - lengthOrValuOrZero(timeSeriesData[rule][past]);
+
+    if (diff !== 0 ) {
+      changed[rule] = diff;
+    }
+
+    if (!timeSeriesData[rule][today] && timeSeriesData[rule][past]) {
+      removed.push(rule);
+    }
+
+    if (timeSeriesData[rule][today] && !timeSeriesData[rule][past]) {
+      added.push(rule);
+    }
+  }
+  return {
+    changed,
+    removed,
+    added,
+  }
+}
+
 export default class ApplicationRoute extends Route {
   async model() {
     let data = await (await fetch(`${env.rootURL}data.json`)).json();
 
+    let allDates = Object.keys(data).sort((a, b) => b.localeCompare(a))
+
     let timeSeriesData =  timeSeries(data);
 
-    let highestDate;
+    const globalHighestDate = allDates[0];
+    const stats = {}
+
+    const today = Temporal.PlainDate.from(globalHighestDate);
+
+    // there is at least another date in the data
+    if (allDates[1]) {
+      const yesterday = Temporal.PlainDate.from(allDates[1]);
+      if (yesterday.until(today).days === 1) {
+        // there was a yesterday
+        stats.today = compareData({
+          [globalHighestDate]: data[globalHighestDate],
+          [allDates[1]]: data[allDates[1]]
+        }, globalHighestDate, allDates[1])
+      }
+
+      let lastWeek = yesterday;
+
+      for (let i = 2; i < allDates.length; i++) {
+        const currentDate = Temporal.PlainDate.from(allDates[i]);
+        if (currentDate.until(today).days > 7) {
+          break;
+        }
 
-    for (const rule in timeSeriesData) {
-      for (const date in timeSeriesData[rule]) {
-        if(!highestDate || highestDate < date) {
-          highestDate = date;
+        if (currentDate.until(lastWeek).days > 0) {
+          lastWeek = Temporal.PlainDate.from(currentDate)
         }
       }
+
+      // if we have a date that is bigger than yesterday but not bigger than 7 days ago
+      if (lastWeek !== yesterday) {
+        stats.thisWeek = compareData({
+          [globalHighestDate]: data[globalHighestDate],
+          [lastWeek.toString()]: data[lastWeek.toString()]
+        }, globalHighestDate, lastWeek.toString())
+      }
     }
 
     return {
       data: timeSeriesData,
-      highestDate,
+      highestDate: globalHighestDate,
+      stats,
     }
   }
 }
diff --git a/app/styles/app.css b/app/styles/app.css
index 04c0ca9..2a387bf 100644
--- a/app/styles/app.css
+++ b/app/styles/app.css
@@ -20,10 +20,28 @@ a {
   color: black;
 }
 
+.stats-wrapper {
+  display: grid;
+  grid-template-columns: repeat(auto-fill, minmax(min(300px, 100%), 1fr));
+  grid-gap: 20px;
+  margin-bottom: 20px;
+}
+
+.stat-card {
+  background-color: white;
+  border-radius: var(--chart-border-radius);
+  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
+  padding: 20px;
+}
+
+.stat-card ul {
+  padding-left: inherit;
+}
+
 .graphs {
   display: grid;
   grid-template-columns: repeat(auto-fill, minmax(min(600px, 100%), 1fr));
-  grid-gap: 20px
+  grid-gap: 20px;
 }
 
 .lttf-chart {
@@ -102,9 +120,11 @@ details > .graphs {
   a {
     color: #FBBF24;
   }
-  .lttf-chart {
+
+  .lttf-chart, .stat-card {
     background-color: #16213E;
   }
+
   .chart-container .axis {
     fill: white !important;
   }
@@ -129,3 +149,9 @@ footer {
 .frappe-chart .y-markers {
   display: none;
 }
+
+/* helper classes */
+.my-2 {
+  margin-top: .5em;
+  margin-bottom: .5em;
+}
diff --git a/app/templates/index.hbs b/app/templates/index.hbs
index b33ca6e..5123358 100644
--- a/app/templates/index.hbs
+++ b/app/templates/index.hbs
@@ -1,3 +1,5 @@
+<Stats @data={{@model.stats}}/>
+
 <div class="graphs">
   {{#each-in this.rules.rulesToComplete as |key value|}}
     <Chart @rule={{key}} @data={{value}} @highestDate={{@model.highestDate}} />
diff --git a/package.json b/package.json
index b7b093e..e3c5462 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,8 @@
     "commander": "^9.4.1",
     "fs-extra": "^7.0.1",
     "import-cwd": "^3.0.0",
-    "node-fetch": "^2.6.0"
+    "node-fetch": "^2.6.0",
+    "temporal-polyfill": "^0.2.5"
   },
   "devDependencies": {
     "@babel/core": "^7.25.2",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 5ca9e9d..8c29d04 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -68,6 +68,7 @@ specifiers:
   stylelint-config-standard: ^34.0.0
   stylelint-prettier: ^4.1.0
   temp: ^0.9.4
+  temporal-polyfill: ^0.2.5
   tracked-built-ins: ^3.3.0
   webpack: ^5.93.0
 
@@ -76,6 +77,7 @@ dependencies:
   fs-extra: 7.0.1
   import-cwd: 3.0.0
   node-fetch: 2.7.0
+  temporal-polyfill: 0.2.5
 
 devDependencies:
   '@babel/core': 7.25.2
@@ -12863,6 +12865,16 @@ packages:
       rimraf: 2.6.3
     dev: true
 
+  /temporal-polyfill/0.2.5:
+    resolution: {integrity: sha512-ye47xp8Cb0nDguAhrrDS1JT1SzwEV9e26sSsrWzVu+yPZ7LzceEcH0i2gci9jWfOfSCCgM3Qv5nOYShVUUFUXA==}
+    dependencies:
+      temporal-spec: 0.2.4
+    dev: false
+
+  /temporal-spec/0.2.4:
+    resolution: {integrity: sha512-lDMFv4nKQrSjlkHKAlHVqKrBG4DyFfa9F74cmBZ3Iy3ed8yvWnlWSIdi4IKfSqwmazAohBNwiN64qGx4y5Q3IQ==}
+    dev: false
+
   /terser-webpack-plugin/5.3.10_webpack@5.95.0:
     resolution: {integrity: sha512-BKFPWlPDndPs+NGGCr1U59t0XScL5317Y0UReNrHaw9/FwhPENlq6bfgs+4yPfyP51vqC1bQ4rp1EfXW5ZSH9w==}
     engines: {node: '>= 10.13.0'}
diff --git a/server/mocks/data.json b/server/mocks/data.json
index f51bf81..e8c8dd0 100644
--- a/server/mocks/data.json
+++ b/server/mocks/data.json
@@ -126,12 +126,27 @@
       "ember/no-empty-glimmer-component-classes": ["addon/components/es-link-card.js"],
       "ember/no-classic-components": ["addon/components/es-header-navbar-link.js"],
       "ember/no-classic-classes": ["addon/components/es-header-navbar-link.js", "addon/services/navbar.js", "tests/dummy/app/components/link-to.js"],
-      "ember/require-tagless-components": ["addon/components/es-header-navbar-link.js", "tests/dummy/app/components/link-to.js"],
+      "ember/require-tagless-components": 10,
       "ember/no-get": ["addon/components/es-header-navbar-link.js"],
       "ember/no-component-lifecycle-hooks": ["addon/components/es-header-navbar-link.js"],
       "ember/require-super-in-lifecycle-hooks": ["addon/components/es-header-navbar-link.js"]
     }
   },
+  "2021-04-09": {
+    "lint-to-the-future-ember-template": {
+      "require-valid-alt-text": 2,
+      "no-class:strange-name": 1
+    },
+    "lint-to-the-future-eslint": {
+      "prettier/prettier": 24,
+      "ember/no-classic-components": 1,
+      "ember/no-classic-classes": 6,
+      "ember/require-tagless-components": 2,
+      "ember/no-get": 1,
+      "ember/no-component-lifecycle-hooks": 1,
+      "ember/require-super-in-lifecycle-hooks": 8
+    }
+  },
   "2021-04-10": {
     "lint-to-the-future-ember-template": {
       "require-valid-alt-text": ["addon/templates/components/es-card-content.hbs"],
@@ -139,12 +154,12 @@
     },
     "lint-to-the-future-eslint": {
       "prettier/prettier": ["addon/components/es-button.js", "addon/components/es-card-content.js", "addon/components/es-card.js", "addon/components/es-footer-contributions.js", "addon/components/es-footer-help.js", "addon/components/es-footer-info.js", "addon/components/es-footer-statement.js", "addon/components/es-footer.js", "addon/components/es-header-navbar-link.js", "addon/components/es-link-card.js", "addon/components/es-note.js", "addon/constants/es-footer.js", "addon/services/navbar.js", "app/components/es-button.js", "app/components/es-card-content.js", "app/components/es-card.js", "app/components/es-footer.js", "app/components/es-header.js", "app/components/es-link-card.js", "app/components/es-note.js", "ember-cli-build.js", "index.js", "tests/acceptance/visual-regression-test-test.js", "tests/dummy/app/components/link-to.js", "tests/dummy/app/helpers/increment.js", "tests/dummy/config/environment.js", "tests/integration/components/es-button-test.js", "tests/integration/components/es-card-test.js", "tests/integration/components/es-footer-test.js", "tests/integration/components/es-header-test.js", "tests/integration/components/es-note-test.js", "tests/integration/components/es-progress-bar-test.js"],
-      "ember/no-classic-components": ["addon/components/es-header-navbar-link.js"],
-      "ember/no-classic-classes": ["addon/components/es-header-navbar-link.js", "addon/services/navbar.js", "tests/dummy/app/components/link-to.js"],
+      "ember/no-classic-components": ["addon/components/es-header-navbar-link.js", "addon/components/es-button.js", "addon/components/es-card-content.js", "addon/components/es-card.js", "addon/components/es-footer-contributions.js", "addon/components/es-footer-help.js"],
+      "ember/no-classic-classes": ["addon/components/es-header-navbar-link.js", "addon/services/navbar.js", "tests/dummy/app/components/link-to.js", "addon/components/es-button.js", "addon/components/es-card-content.js", "addon/components/es-card.js", "addon/components/es-footer-contributions.js", "addon/components/es-footer-help.js", "addon/components/es-footer-info.js", "addon/components/es-footer-statement.js", "addon/components/es-footer.js", "addon/components/es-header-navbar-link.js"],
       "ember/require-tagless-components": ["addon/components/es-header-navbar-link.js", "tests/dummy/app/components/link-to.js"],
+      "completely-new-rule/only-today-ever": ["addon/components/es-header-navbar-link.js", "tests/dummy/app/components/link-to.js"],
       "ember/no-get": ["addon/components/es-header-navbar-link.js"],
-      "ember/no-component-lifecycle-hooks": ["addon/components/es-header-navbar-link.js"],
-      "ember/require-super-in-lifecycle-hooks": ["addon/components/es-header-navbar-link.js"]
+      "ember/no-component-lifecycle-hooks": ["addon/components/es-header-navbar-link.js"]
     }
   }
 }
diff --git a/tests/acceptance/basic-test.js b/tests/acceptance/basic-test.js
index 37fb7d6..a13ce04 100644
--- a/tests/acceptance/basic-test.js
+++ b/tests/acceptance/basic-test.js
@@ -10,7 +10,7 @@ module('Acceptance | basic', function(hooks) {
     await visit('/');
 
     assert.equal(currentURL(), '/');
-    assert.dom('[data-test-chart]').exists({count: 10})
+    assert.dom('[data-test-chart]').exists({count: 11})
     // await this.pauseTest();
 
     assert.dom('[data-test-chart="lint-to-the-future-ember-template:require-valid-alt-text"] [data-test-time-button="monthly"]').isChecked();
@@ -29,6 +29,6 @@ module('Acceptance | basic', function(hooks) {
     // top level charts
     assert.dom('.ember-application > div > [data-test-chart]').exists({count: 9})
 
-    assert.dom('[data-test-completed-rules] [data-test-chart]').exists({count: 1});
+    assert.dom('[data-test-completed-rules] [data-test-chart]').exists({count: 2});
   })
 });