diff --git a/sites/content-producer/url-selection/ab-testing-worklet.js b/sites/content-producer/url-selection/ab-testing-worklet.js
index 35985ff..c815bf6 100644
--- a/sites/content-producer/url-selection/ab-testing-worklet.js
+++ b/sites/content-producer/url-selection/ab-testing-worklet.js
@@ -30,5 +30,26 @@ class SelectURLOperation {
   }
 }
 
+function getBucketForTestingGroup(testingGroup) {
+  switch (testingGroup) {
+    case 'control':
+      return 0;
+    case 'experiment-a': 
+      return 1;
+    case 'experiment-b': 
+      return 2;
+  }
+}
+
+class ExperimentGroupReportingOperation {
+  async run() {
+    const experimentGroup = await sharedStorage.get('ab-testing-group');
+
+    const bucket = BigInt(getBucketForTestingGroup(experimentGroup));
+    privateAggregation.contributeToHistogram({ bucket, value: 1 });
+  }
+}
+
 // Register the operation as 'ab-testing'
 register('ab-testing', SelectURLOperation);
+register('experiment-group-reporting', ExperimentGroupReportingOperation);
diff --git a/sites/content-producer/url-selection/ab-testing.js b/sites/content-producer/url-selection/ab-testing.js
index 0f0b113..8997937 100644
--- a/sites/content-producer/url-selection/ab-testing.js
+++ b/sites/content-producer/url-selection/ab-testing.js
@@ -59,6 +59,7 @@ async function injectAd() {
   const selectedUrl = await window.sharedStorage.selectURL('ab-testing', urls, {
     data: groups,
     resolveToConfig,
+    keepAlive: true,
   });
 
   const adSlot = document.getElementById('ad-slot');
@@ -68,6 +69,9 @@ async function injectAd() {
   } else {
     adSlot.src = selectedUrl;
   }
+
+  // Run the reporting operation
+  await window.sharedStorage.run('experiment-group-reporting')
 }
 
 injectAd();