diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..1c4357a
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,20 @@
+name: ci
+on:
+  workflow_dispatch:
+  push:
+    branches: [ develop ]
+  pull_request:
+permissions:
+  contents: read
+concurrency:
+  group: ci-${{ github.ref }}
+  cancel-in-progress: true
+jobs:
+  ci:
+    name: ci
+    uses: statikbe/.github/.github/workflows/ci.yml@main
+    with:
+      craft_version: '4'
+      jobs: '["ecs", "phpstan"]'
+    secrets:
+      token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/create-release.yml b/.github/workflows/create-release.yml
new file mode 100644
index 0000000..b96abe3
--- /dev/null
+++ b/.github/workflows/create-release.yml
@@ -0,0 +1,24 @@
+# Creates a new GitHub Release whenever the Craft Plugin Store
+# is notified of a new version tag.
+
+name: Create Release
+run-name: Create release for ${{ github.event.client_payload.version }}
+
+on:
+  repository_dispatch:
+    types:
+      - craftcms/new-release
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    steps:
+      - uses: ncipollo/release-action@v1
+        with:
+          body: ${{ github.event.client_payload.notes }}
+          makeLatest: ${{ github.event.client_payload.latest }}
+          name: ${{ github.event.client_payload.version }}
+          prerelease: ${{ github.event.client_payload.prerelease }}
+          tag: ${{ github.event.client_payload.tag }}
diff --git a/CHANGELOG.md b/CHANGELOG.md
index c5fe7eb..c6ff086 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Release Notes for carbon-tracker
 
+## 4.1.0 - 2024-03-08
+### Added
+- Added multisite support ([#3](https://github.com/statikbe/craft-carbon-tracker/issues/3))
+
 ## 4.0.3 - 2024-01-12
 ### Fixed
 - Fix typo in sidebar template
@@ -8,10 +12,9 @@
 ### Fixed
 - Only run our job for enabled entries, because we need to be able to crawl them.
 
-
 ## 4.0.1 - 2024-01-04
 ### Fixed
 - Fixed issue with failing jobs on multi-site installs
 
 ## 4.0.0 - 2024-01-02
-- Initial release 🚀
+- Initial release 🚀
\ No newline at end of file
diff --git a/composer.json b/composer.json
index e5c5a0a..4dbfaef 100644
--- a/composer.json
+++ b/composer.json
@@ -2,7 +2,7 @@
     "name": "statikbe/craft-carbon-tracker",
     "description": "Carbon tracker aims to raise awareness of the carbon emissions created by webpages, by displaying these insights along side the content in Craft's control panel.",
     "type": "craft-plugin",
-    "version": "4.0.3",
+    "version": "4.1.0",
     "license": "mit",
     "support": {
         "email": "support@statik.be",
@@ -41,7 +41,8 @@
     "scripts": {
         "check-cs": "ecs check --ansi",
         "fix-cs": "ecs check --ansi --fix",
-        "phpstan": "phpstan --memory-limit=1G"
+        "phpstan": "phpstan --memory-limit=1G",
+        "ci": "ecs check --ansi --fix && phpstan --memory-limit=1G"
     },
     "config": {
         "sort-packages": true,
diff --git a/src/CarbonTracker.php b/src/CarbonTracker.php
index cc74cde..ec5b4ee 100644
--- a/src/CarbonTracker.php
+++ b/src/CarbonTracker.php
@@ -31,7 +31,7 @@
  */
 class CarbonTracker extends Plugin
 {
-    public string $schemaVersion = '1.0.0';
+    public string $schemaVersion = '1.1.0';
     public bool $hasCpSettings = true;
 
     /**
@@ -56,7 +56,7 @@ public function init(): void
         }
 
         // Defer most setup tasks until Craft is fully initialized
-        Craft::$app->onInit(function () {
+        Craft::$app->onInit(function() {
             $this->attachEventHandlers();
         });
     }
@@ -77,10 +77,10 @@ protected function settingsHtml(): ?string
     private function attachEventHandlers(): void
     {
         Event::on(Entry::class, Entry::EVENT_AFTER_SAVE,
-            function (ModelEvent $event) {
+            function(ModelEvent $event) {
                 /** @var Entry $entry */
                 $entry = $event->sender;
-                if (!ElementHelper::isDraftOrRevision($entry) && $entry->getUrl()) {
+                if (!ElementHelper::isDraftOrRevision($entry) && $entry->getUrl() && !$entry->propagating) {
                     Queue::push(new CarbonStatsJob([
                         'entryId' => $entry->id,
                         'siteId' => $entry->siteId,
@@ -92,7 +92,7 @@ function (ModelEvent $event) {
         Event::on(
             Entry::class,
             Entry::EVENT_DEFINE_SIDEBAR_HTML,
-            function (DefineHtmlEvent $event) {
+            function(DefineHtmlEvent $event) {
                 /** @var Entry $entry */
                 $entry = $event->sender;
                 try {
diff --git a/src/console/controllers/TestController.php b/src/console/controllers/TestController.php
index 2d427e6..e9f120f 100644
--- a/src/console/controllers/TestController.php
+++ b/src/console/controllers/TestController.php
@@ -14,6 +14,4 @@ public function actionIndex(int $id): void
         $data = CarbonTracker::getInstance()->api->getSite($entry);
         dd($data);
     }
-
-
 }
diff --git a/src/jobs/CarbonStatsJob.php b/src/jobs/CarbonStatsJob.php
index 8d1f5a6..0fb6155 100644
--- a/src/jobs/CarbonStatsJob.php
+++ b/src/jobs/CarbonStatsJob.php
@@ -29,8 +29,8 @@ protected function defaultDescription(): string
      */
     public function execute($queue): void
     {
-        $entry = Entry::findOne(['id' => $this->entryId,'siteId' => $this->siteId]);
-        if($entry) {
+        $entry = Entry::findOne(['id' => $this->entryId, 'siteId' => $this->siteId]);
+        if ($entry) {
             CarbonTracker::getInstance()->stats->upsertDataForEntry($entry);
         }
     }
diff --git a/src/migrations/Install.php b/src/migrations/Install.php
index 7ea1111..65d55d3 100644
--- a/src/migrations/Install.php
+++ b/src/migrations/Install.php
@@ -15,6 +15,7 @@ public function safeUp(): bool
             [
                 'id' => $this->primaryKey(),
                 'entryId' => $this->integer()->notNull(),
+                'siteId' => $this->integer()->notNull(),
                 'url' => $this->string()->notNull(),
                 'green' => $this->boolean()->defaultValue(0),
                 'bytes' => $this->integer(),
diff --git a/src/migrations/m240307_121231_addSiteIdCol.php b/src/migrations/m240307_121231_addSiteIdCol.php
new file mode 100644
index 0000000..fca1849
--- /dev/null
+++ b/src/migrations/m240307_121231_addSiteIdCol.php
@@ -0,0 +1,35 @@
+<?php
+
+namespace statikbe\carbontracker\migrations;
+
+use craft\db\Migration;
+use statikbe\carbontracker\records\SiteStatisticsRecord;
+
+/**
+ * m240307_121231_addSiteIdCol migration.
+ */
+class m240307_121231_addSiteIdCol extends Migration
+{
+    /**
+     * @inheritdoc
+     */
+    public function safeUp(): bool
+    {
+        $this->addColumn(
+            SiteStatisticsRecord::tableName(),
+            'siteId',
+            $this->integer()->notNull()->after('entryId')
+        );
+
+        return true;
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function safeDown(): bool
+    {
+        echo "m240307_121231_addSiteIdCol cannot be reverted.\n";
+        return false;
+    }
+}
diff --git a/src/models/SiteStatisticsModel.php b/src/models/SiteStatisticsModel.php
index 02b77ef..1c550c4 100644
--- a/src/models/SiteStatisticsModel.php
+++ b/src/models/SiteStatisticsModel.php
@@ -10,6 +10,7 @@
 class SiteStatisticsModel extends Model
 {
     public int $entryId;
+    public int $siteId;
     public string $url = "https://";
     public bool $green = false;
     public int $bytes = 0;
@@ -23,8 +24,8 @@ class SiteStatisticsModel extends Model
     public function rules(): array
     {
         return [
-            [['entryId', 'url', 'green', 'bytes', 'cleanerThan', 'rating', 'dateUpdated'], 'required'],
-            [['entryId', 'url', 'green', 'bytes', 'cleanerThan', 'rating', 'dateUpdated'], 'safe'],
+            [['entryId', 'siteId', 'url', 'green', 'bytes', 'cleanerThan', 'rating', 'dateUpdated'], 'required'],
+            [['entryId', 'siteId', 'url', 'green', 'bytes', 'cleanerThan', 'rating', 'dateUpdated'], 'safe'],
         ];
     }
 }
diff --git a/src/records/SiteStatisticsRecord.php b/src/records/SiteStatisticsRecord.php
index aedecd5..bc959b6 100644
--- a/src/records/SiteStatisticsRecord.php
+++ b/src/records/SiteStatisticsRecord.php
@@ -6,6 +6,7 @@
 
 /**
  * @property int $entryId entryId
+ * @property int $siteId siteId
  * @property string $url url
  * @property boolean $green green
  * @property float $cleanerThan cleanerThan
diff --git a/src/services/ApiService.php b/src/services/ApiService.php
index dd8a817..c66f395 100644
--- a/src/services/ApiService.php
+++ b/src/services/ApiService.php
@@ -5,6 +5,7 @@
 use craft\base\Component;
 use craft\elements\Entry;
 use GuzzleHttp\Client;
+use statikbe\carbontracker\CarbonTracker;
 use statikbe\carbontracker\models\SiteStatisticsModel;
 
 class ApiService extends Component
@@ -22,21 +23,48 @@ public function init(): void
         parent::init();
     }
 
-    public function getSite(Entry $entry): SiteStatisticsModel
+    public function getSite(Entry $entry): SiteStatisticsModel|bool
     {
         $model = new SiteStatisticsModel();
 
         if (getenv('CRAFT_ENVIRONMENT') === 'dev') {
-            $url = self::READ_MORE_LINK;
+            $json_data = '{
+                "url": "https://www.wholegraindigital.com/",
+                "green": true,
+                "rating": "A+",
+                "bytes": 443854,
+                "cleanerThan": 0.83,
+                "statistics": {
+                    "adjustedBytes": 335109.77,
+                    "energy": 0.0005633320052642376,
+                    "co2": {
+                        "grid": {
+                            "grams": 0.26758270250051286,
+                            "litres": 0.14882949913078525
+                        },
+                        "renewable": {
+                            "grams": 0.24250694721722435,
+                            "litres": 0.13488236404222018
+                        }
+                    }
+                }
+            }';
+
+            $data = json_decode($json_data, true);
         } else {
-            $url = $entry->getUrl();
+            try {
+                $url = $entry->getUrl();
+                $data = $this->makeRequest('/site', [
+                    'query' => [
+                        'url' => $url,
+                    ],
+                ]);
+            } catch (\Exception $e) {
+                \Craft::error($e->getMessage(), CarbonTracker::class);
+                return false;
+            }
         }
 
-        $data = $this->makeRequest('/site', [
-            'query' => [
-                'url' => $url,
-            ],
-        ]);
 
         if (empty($data)) {
             return $model;
@@ -44,6 +72,7 @@ public function getSite(Entry $entry): SiteStatisticsModel
 
         $model->setAttributes([
             'entryId' => $entry->id,
+            'siteId' => $entry->siteId,
             'url' => $data['url'],
             'green' => $data['green'],
             'bytes' => $data['bytes'],
diff --git a/src/services/StatsService.php b/src/services/StatsService.php
index 6978333..88add60 100644
--- a/src/services/StatsService.php
+++ b/src/services/StatsService.php
@@ -13,11 +13,14 @@ class StatsService extends Component
 {
     public function getDataForEntry(Entry $entry): SiteStatisticsModel|bool
     {
-        $record = SiteStatisticsRecord::findOne(['entryId' => $entry->id]);
-
+        $record = SiteStatisticsRecord::findOne(['entryId' => $entry->id, 'siteId' => $entry->siteId]);
+        
         if (!$record) {
-            // What if we don't have any data yet?
-            return false;
+            // Search again without the siteId
+            $record = SiteStatisticsRecord::findOne(['entryId' => $entry->id]);
+            if (!$record) {
+                return false;
+            }
         }
 
         $model = new SiteStatisticsModel();
@@ -31,6 +34,7 @@ public function upsertDataForEntry(Entry $entry): void
         $date = DateTimeHelper::currentUTCDateTime()->modify('-1 day');
         $record = SiteStatisticsRecord::find()
             ->where(['=', 'entryId', $entry->id])
+            ->andWhere(['=', 'siteId', $entry->siteId])
             ->andWhere(['>=', 'dateCreated', $date->format('c')])
             ->one();
 
@@ -41,12 +45,15 @@ public function upsertDataForEntry(Entry $entry): void
         }
 
         $stats = CarbonTracker::getInstance()->api->getSite($entry);
-        $record = new SiteStatisticsRecord();
-        $record->entryId = $stats->entryId;
-        $record->url = $stats->url;
-        $record->green = $stats->green;
-        $record->cleanerThan = $stats->cleanerThan;
-        $record->rating = $stats->rating;
-        $record->save();
+        if ($stats) {
+            $record = new SiteStatisticsRecord();
+            $record->entryId = $stats->entryId;
+            $record->siteId = $stats->siteId;
+            $record->url = $stats->url;
+            $record->green = $stats->green;
+            $record->cleanerThan = $stats->cleanerThan;
+            $record->rating = $stats->rating;
+            $record->save();
+        }
     }
 }