diff --git a/services/web/app/src/Features/Analytics/AnalyticsController.js b/services/web/app/src/Features/Analytics/AnalyticsController.js
index f50470a2b3..67ab97f657 100644
--- a/services/web/app/src/Features/Analytics/AnalyticsController.js
+++ b/services/web/app/src/Features/Analytics/AnalyticsController.js
@@ -4,6 +4,20 @@ const SessionManager = require('../Authentication/SessionManager')
 const GeoIpLookup = require('../../infrastructure/GeoIpLookup')
 const Features = require('../../infrastructure/Features')
 
+const getSegmentation = req => {
+  const segmentation = req.body ? req.body.segmentation : null
+  const cleanedSegmentation = {}
+  if (
+    segmentation &&
+    segmentation.editorType &&
+    typeof segmentation.editorType === 'string' &&
+    segmentation.editorType.length < 100
+  ) {
+    cleanedSegmentation.editorType = segmentation.editorType
+  }
+  return cleanedSegmentation
+}
+
 module.exports = {
   updateEditingSession(req, res, next) {
     if (!Features.hasFeature('analytics')) {
@@ -11,6 +25,7 @@ module.exports = {
     }
     const userId = SessionManager.getLoggedInUserId(req.session)
     const { projectId } = req.params
+    const segmentation = getSegmentation(req)
     let countryCode = null
 
     if (userId) {
@@ -20,7 +35,12 @@ module.exports = {
         } else if (geoDetails && geoDetails.country_code) {
           countryCode = geoDetails.country_code
         }
-        AnalyticsManager.updateEditingSession(userId, projectId, countryCode)
+        AnalyticsManager.updateEditingSession(
+          userId,
+          projectId,
+          countryCode,
+          segmentation
+        )
       })
     }
     res.sendStatus(202)
diff --git a/services/web/app/src/Features/Analytics/AnalyticsManager.js b/services/web/app/src/Features/Analytics/AnalyticsManager.js
index 281d6a14c3..c4beeb6f23 100644
--- a/services/web/app/src/Features/Analytics/AnalyticsManager.js
+++ b/services/web/app/src/Features/Analytics/AnalyticsManager.js
@@ -123,7 +123,7 @@ async function setUserPropertyForSession(session, propertyName, propertyValue) {
   }
 }
 
-function updateEditingSession(userId, projectId, countryCode) {
+function updateEditingSession(userId, projectId, countryCode, segmentation) {
   if (!userId) {
     return
   }
@@ -139,6 +139,7 @@ function updateEditingSession(userId, projectId, countryCode) {
       userId,
       projectId,
       countryCode,
+      segmentation,
       createdAt: new Date(),
     })
     .then(() => {
diff --git a/services/web/frontend/js/ide.js b/services/web/frontend/js/ide.js
index 6f97b1ea05..de6e04568a 100644
--- a/services/web/frontend/js/ide.js
+++ b/services/web/frontend/js/ide.js
@@ -259,7 +259,10 @@ If the project has been renamed please look in your project list for a new proje
     })
 
     ide.editingSessionHeartbeat = () => {
-      eventTracking.editingSessionHeartbeat()
+      const segmentation = {
+        editorType: ide.editorManager.getEditorType(),
+      }
+      eventTracking.editingSessionHeartbeat(segmentation)
     }
 
     $scope.$on('cursor:editor:update', () => {
diff --git a/services/web/frontend/js/ide/editor/Document.js b/services/web/frontend/js/ide/editor/Document.js
index 87b3a2fdf1..38418939a5 100644
--- a/services/web/frontend/js/ide/editor/Document.js
+++ b/services/web/frontend/js/ide/editor/Document.js
@@ -91,6 +91,18 @@ export default Document = (function () {
       this._bindToSocketEvents()
     }
 
+    editorType() {
+      if (this.ace) {
+        return 'ace'
+      } else if (this.cm6) {
+        return 'cm6'
+      } else if (this.cm) {
+        return 'cm-rich-text'
+      } else {
+        return null
+      }
+    }
+
     attachToAce(ace) {
       this.ace = ace
       if (this.doc != null) {
diff --git a/services/web/frontend/js/ide/editor/EditorManager.js b/services/web/frontend/js/ide/editor/EditorManager.js
index a725a34a44..1ef1f7ea94 100644
--- a/services/web/frontend/js/ide/editor/EditorManager.js
+++ b/services/web/frontend/js/ide/editor/EditorManager.js
@@ -132,6 +132,13 @@ export default EditorManager = (function () {
       })
     }
 
+    getEditorType() {
+      if (!this.$scope.editor.sharejs_doc) {
+        return null
+      }
+      return this.$scope.editor.sharejs_doc.editorType()
+    }
+
     showRichText() {
       return (
         this.localStorage(`editor.mode.${this.$scope.project_id}`) ===
diff --git a/services/web/frontend/js/main/event.js b/services/web/frontend/js/main/event.js
index fcf2248bd7..748fb1183b 100644
--- a/services/web/frontend/js/main/event.js
+++ b/services/web/frontend/js/main/event.js
@@ -48,10 +48,11 @@ App.factory('eventTracking', function ($http, localStorage) {
     return localStorage(CACHE_KEY, curCache)
   }
 
-  const _sendEditingSessionHeartbeat = () =>
+  const _sendEditingSessionHeartbeat = segmentation =>
     $http({
       url: `/editingSession/${window.project_id}`,
       method: 'PUT',
+      data: { segmentation },
       headers: {
         'X-CSRF-Token': window.csrfToken,
       },
@@ -69,14 +70,14 @@ App.factory('eventTracking', function ($http, localStorage) {
       }
     },
 
-    editingSessionHeartbeat() {
-      sl_console.log('[Event] heartbeat trigger')
+    editingSessionHeartbeat(segmentation) {
+      sl_console.log('[Event] heartbeat trigger', segmentation)
       if (!(nextHeartbeat <= new Date())) {
         return
       }
 
-      sl_console.log('[Event] send heartbeat request')
-      _sendEditingSessionHeartbeat()
+      sl_console.log('[Event] send heartbeat request', segmentation)
+      _sendEditingSessionHeartbeat(segmentation)
 
       heartbeatsSent++
 
diff --git a/services/web/test/unit/src/Analytics/AnalyticsControllerTests.js b/services/web/test/unit/src/Analytics/AnalyticsControllerTests.js
index 9a29cffbe7..ec1ec0b6db 100644
--- a/services/web/test/unit/src/Analytics/AnalyticsControllerTests.js
+++ b/services/web/test/unit/src/Analytics/AnalyticsControllerTests.js
@@ -43,6 +43,11 @@ describe('AnalyticsController', function () {
           projectId: 'a project id',
         },
         session: {},
+        body: {
+          segmentation: {
+            editorType: 'abc',
+          },
+        },
       }
       this.GeoIpLookup.getDetails = sinon
         .stub()
@@ -54,7 +59,7 @@ describe('AnalyticsController', function () {
       this.controller.updateEditingSession(this.req, this.res)
 
       this.AnalyticsManager.updateEditingSession
-        .calledWith('1234', 'a project id', 'XY')
+        .calledWith('1234', 'a project id', 'XY', { editorType: 'abc' })
         .should.equal(true)
       done()
     })
diff --git a/services/web/test/unit/src/Analytics/AnalyticsManagerTests.js b/services/web/test/unit/src/Analytics/AnalyticsManagerTests.js
index 9ff02f29ba..70a0a14205 100644
--- a/services/web/test/unit/src/Analytics/AnalyticsManagerTests.js
+++ b/services/web/test/unit/src/Analytics/AnalyticsManagerTests.js
@@ -146,10 +146,12 @@ describe('AnalyticsManager', function () {
     it('updateEditingSession', function () {
       const projectId = '789ghi'
       const countryCode = 'fr'
+      const segmentation = { editorType: 'abc' }
       this.AnalyticsManager.updateEditingSession(
         this.fakeUserId,
         projectId,
-        countryCode
+        countryCode,
+        segmentation
       )
       sinon.assert.calledWithMatch(
         this.analyticsEditingSessionQueue.add,
@@ -158,6 +160,7 @@ describe('AnalyticsManager', function () {
           userId: this.fakeUserId,
           projectId,
           countryCode,
+          segmentation,
         }
       )
     })