diff --git a/backend/pkg/sessions/api/web/handlers.go b/backend/pkg/sessions/api/web/handlers.go
index 4ca3fec32..af509d8f6 100644
--- a/backend/pkg/sessions/api/web/handlers.go
+++ b/backend/pkg/sessions/api/web/handlers.go
@@ -135,11 +135,6 @@ func (e *handlersImpl) startSessionHandlerWeb(w http.ResponseWriter, r *http.Req
 
 	// Add tracker version to context
 	r = r.WithContext(context.WithValue(r.Context(), "tracker", req.TrackerVersion))
-	if err := validateTrackerVersion(req.TrackerVersion); err != nil {
-		e.log.Error(r.Context(), "unsupported tracker version: %s, err: %s", req.TrackerVersion, err)
-		e.responser.ResponseWithError(e.log, r.Context(), w, http.StatusUpgradeRequired, errors.New("please upgrade the tracker version"), startTime, r.URL.Path, bodySize)
-		return
-	}
 
 	// Handler's logic
 	if req.ProjectKey == nil {
@@ -162,6 +157,13 @@ func (e *handlersImpl) startSessionHandlerWeb(w http.ResponseWriter, r *http.Req
 	// Add projectID to context
 	r = r.WithContext(context.WithValue(r.Context(), "projectID", fmt.Sprintf("%d", p.ProjectID)))
 
+	// Validate tracker version
+	if err := validateTrackerVersion(req.TrackerVersion); err != nil {
+		e.log.Error(r.Context(), "unsupported tracker version: %s, err: %s", req.TrackerVersion, err)
+		e.responser.ResponseWithError(e.log, r.Context(), w, http.StatusUpgradeRequired, errors.New("please upgrade the tracker version"), startTime, r.URL.Path, bodySize)
+		return
+	}
+
 	// Check if the project supports mobile sessions
 	if !p.IsWeb() {
 		e.responser.ResponseWithError(e.log, r.Context(), w, http.StatusForbidden, errors.New("project doesn't support web sessions"), startTime, r.URL.Path, bodySize)
diff --git a/frontend/app/components/Client/Integrations/ProfilerDoc/ProfilerDoc.tsx b/frontend/app/components/Client/Integrations/ProfilerDoc/ProfilerDoc.tsx
index eb6013a7c..6b0f5b930 100644
--- a/frontend/app/components/Client/Integrations/ProfilerDoc/ProfilerDoc.tsx
+++ b/frontend/app/components/Client/Integrations/ProfilerDoc/ProfilerDoc.tsx
@@ -16,10 +16,10 @@ function ProfilerDoc() {
     ? sites.find((site) => site.id === siteId)?.projectKey
     : sites[0]?.projectKey;
 
-  const usage = `import OpenReplay from '@openreplay/tracker';
+  const usage = `import { tracker } from '@openreplay/tracker';
 import trackerProfiler from '@openreplay/tracker-profiler';
 //...
-const tracker = new OpenReplay({
+tracker.configure({
   projectKey: '${projectKey}'
 });
 tracker.start()
@@ -29,10 +29,12 @@ export const profiler = tracker.use(trackerProfiler());
 const fn = profiler('call_name')(() => {
 //...
 }, thisArg); // thisArg is optional`;
-  const usageCjs = `import OpenReplay from '@openreplay/tracker/cjs';
+  const usageCjs = `import { tracker } from '@openreplay/tracker/cjs';
+// alternatively you can use dynamic import without /cjs suffix to prevent issues with window scope
+
 import trackerProfiler from '@openreplay/tracker-profiler/cjs';
 //...
-const tracker = new OpenReplay({
+tracker.configure({
   projectKey: '${projectKey}'
 });
 //...
diff --git a/frontend/app/components/Client/Integrations/Tracker/AssistDoc/AssistNpm.tsx b/frontend/app/components/Client/Integrations/Tracker/AssistDoc/AssistNpm.tsx
index 30893ba95..a333441b9 100644
--- a/frontend/app/components/Client/Integrations/Tracker/AssistDoc/AssistNpm.tsx
+++ b/frontend/app/components/Client/Integrations/Tracker/AssistDoc/AssistNpm.tsx
@@ -7,17 +7,19 @@ import { useTranslation } from 'react-i18next';
 
 function AssistNpm(props) {
   const { t } = useTranslation();
-  const usage = `import OpenReplay from '@openreplay/tracker';
+  const usage = `import { tracker } from '@openreplay/tracker';
 import trackerAssist from '@openreplay/tracker-assist';
-const tracker = new OpenReplay({
+tracker.configure({
   projectKey: '${props.projectKey}',
 });
 tracker.start()
 
 tracker.use(trackerAssist(options)); // check the list of available options below`;
-  const usageCjs = `import OpenReplay from '@openreplay/tracker/cjs';
+  const usageCjs = `import { tracker } from '@openreplay/tracker/cjs';
+// alternatively you can use dynamic import without /cjs suffix to prevent issues with window scope
 import trackerAssist from '@openreplay/tracker-assist/cjs';
-const tracker = new OpenReplay({
+
+tracker.configure({
   projectKey: '${props.projectKey}'
 });
 const trackerAssist = tracker.use(trackerAssist(options)); // check the list of available options below
diff --git a/frontend/app/components/Client/Integrations/Tracker/GraphQLDoc/GraphQLDoc.tsx b/frontend/app/components/Client/Integrations/Tracker/GraphQLDoc/GraphQLDoc.tsx
index dd704b0bf..85e6d68c0 100644
--- a/frontend/app/components/Client/Integrations/Tracker/GraphQLDoc/GraphQLDoc.tsx
+++ b/frontend/app/components/Client/Integrations/Tracker/GraphQLDoc/GraphQLDoc.tsx
@@ -14,19 +14,20 @@ function GraphQLDoc() {
   const projectKey = siteId
     ? sites.find((site) => site.id === siteId)?.projectKey
     : sites[0]?.projectKey;
-  const usage = `import OpenReplay from '@openreplay/tracker';
+  const usage = `import { tracker } from '@openreplay/tracker';
 import trackerGraphQL from '@openreplay/tracker-graphql';
 //...
-const tracker = new OpenReplay({
+tracker.configure({
   projectKey: '${projectKey}'
 });
 tracker.start()
 //...
 export const recordGraphQL = tracker.use(trackerGraphQL());`;
-  const usageCjs = `import OpenReplay from '@openreplay/tracker/cjs';
+  const usageCjs = `import { tracker } from '@openreplay/tracker/cjs';
+// alternatively you can use dynamic import without /cjs suffix to prevent issues with window scope
 import trackerGraphQL from '@openreplay/tracker-graphql/cjs';
 //...
-const tracker = new OpenReplay({
+tracker.configure({
   projectKey: '${projectKey}'
 });
 //...
diff --git a/frontend/app/components/Client/Integrations/Tracker/MobxDoc/MobxDoc.tsx b/frontend/app/components/Client/Integrations/Tracker/MobxDoc/MobxDoc.tsx
index e31a25b86..688f97824 100644
--- a/frontend/app/components/Client/Integrations/Tracker/MobxDoc/MobxDoc.tsx
+++ b/frontend/app/components/Client/Integrations/Tracker/MobxDoc/MobxDoc.tsx
@@ -15,20 +15,21 @@ function MobxDoc() {
     ? sites.find((site) => site.id === siteId)?.projectKey
     : sites[0]?.projectKey;
 
-  const mobxUsage = `import OpenReplay from '@openreplay/tracker';
+  const mobxUsage = `import { tracker } from '@openreplay/tracker';
 import trackerMobX from '@openreplay/tracker-mobx';
 //...
-const tracker = new OpenReplay({
+tracker.configure({
   projectKey: '${projectKey}'
 });
 tracker.use(trackerMobX(<options>)); // check list of available options below
 tracker.start();
 `;
 
-  const mobxUsageCjs = `import OpenReplay from '@openreplay/tracker/cjs';
+  const mobxUsageCjs = `import { tracker } from '@openreplay/tracker/cjs';
+// alternatively you can use dynamic import without /cjs suffix to prevent issues with window scope
 import trackerMobX from '@openreplay/tracker-mobx/cjs';
 //...
-const tracker = new OpenReplay({
+tracker.configure({
   projectKey: '${projectKey}'
 });
 tracker.use(trackerMobX(<options>)); // check list of available options below
diff --git a/frontend/app/components/Client/Integrations/Tracker/NgRxDoc/NgRxDoc.tsx b/frontend/app/components/Client/Integrations/Tracker/NgRxDoc/NgRxDoc.tsx
index d1401899f..8e52cdfa2 100644
--- a/frontend/app/components/Client/Integrations/Tracker/NgRxDoc/NgRxDoc.tsx
+++ b/frontend/app/components/Client/Integrations/Tracker/NgRxDoc/NgRxDoc.tsx
@@ -16,10 +16,10 @@ function NgRxDoc() {
     : sites[0]?.projectKey;
   const usage = `import { StoreModule } from '@ngrx/store';
 import { reducers } from './reducers';
-import OpenReplay from '@openreplay/tracker';
+import { tracker } from '@openreplay/tracker';
 import trackerNgRx from '@openreplay/tracker-ngrx';
 //...
-const tracker = new OpenReplay({
+tracker.configure({
   projectKey: '${projectKey}'
 });
 tracker.start()
@@ -32,10 +32,11 @@ const metaReducers = [tracker.use(trackerNgRx(<options>))]; // check list of ava
 export class AppModule {}`;
   const usageCjs = `import { StoreModule } from '@ngrx/store';
 import { reducers } from './reducers';
-import OpenReplay from '@openreplay/tracker/cjs';
+import { tracker } from '@openreplay/tracker/cjs';
+// alternatively you can use dynamic import without /cjs suffix to prevent issues with window scope
 import trackerNgRx from '@openreplay/tracker-ngrx/cjs';
 //...
-const tracker = new OpenReplay({
+tracker.configure({
   projectKey: '${projectKey}'
 });
 //...
diff --git a/frontend/app/components/Client/Integrations/Tracker/PiniaDoc/PiniaDoc.tsx b/frontend/app/components/Client/Integrations/Tracker/PiniaDoc/PiniaDoc.tsx
index 8c18077f2..c9ac2e9f9 100644
--- a/frontend/app/components/Client/Integrations/Tracker/PiniaDoc/PiniaDoc.tsx
+++ b/frontend/app/components/Client/Integrations/Tracker/PiniaDoc/PiniaDoc.tsx
@@ -17,10 +17,10 @@ function PiniaDoc() {
     ? sites.find((site) => site.id === siteId)?.projectKey
     : sites[0]?.projectKey;
   const usage = `import Vuex from 'vuex'
-import OpenReplay from '@openreplay/tracker';
+import { tracker } from '@openreplay/tracker';
 import trackerVuex from '@openreplay/tracker-vuex';
 //...
-const tracker = new OpenReplay({
+tracker.configure({
   projectKey: '${projectKey}'
 });
 tracker.start()
diff --git a/frontend/app/components/Client/Integrations/Tracker/ReduxDoc/ReduxDoc.tsx b/frontend/app/components/Client/Integrations/Tracker/ReduxDoc/ReduxDoc.tsx
index 35c2ad37a..216bf6605 100644
--- a/frontend/app/components/Client/Integrations/Tracker/ReduxDoc/ReduxDoc.tsx
+++ b/frontend/app/components/Client/Integrations/Tracker/ReduxDoc/ReduxDoc.tsx
@@ -16,10 +16,10 @@ function ReduxDoc() {
     : sites[0]?.projectKey;
 
   const usage = `import { applyMiddleware, createStore } from 'redux';
-import OpenReplay from '@openreplay/tracker';
+import { tracker } from '@openreplay/tracker';
 import trackerRedux from '@openreplay/tracker-redux';
 //...
-const tracker = new OpenReplay({
+tracker.configure({
   projectKey: '${projectKey}'
 });
 tracker.start()
@@ -29,10 +29,11 @@ const store = createStore(
   applyMiddleware(tracker.use(trackerRedux(<options>))) // check list of available options below
 );`;
   const usageCjs = `import { applyMiddleware, createStore } from 'redux';
-import OpenReplay from '@openreplay/tracker/cjs';
+import { tracker } from '@openreplay/tracker/cjs';
+// alternatively you can use dynamic import without /cjs suffix to prevent issues with window scope
 import trackerRedux from '@openreplay/tracker-redux/cjs';
 //...
-const tracker = new OpenReplay({
+tracker.configure({
   projectKey: '${projectKey}'
 });
 //...
diff --git a/frontend/app/components/Client/Integrations/Tracker/VueDoc/VueDoc.tsx b/frontend/app/components/Client/Integrations/Tracker/VueDoc/VueDoc.tsx
index b32e9f1f4..133f17c89 100644
--- a/frontend/app/components/Client/Integrations/Tracker/VueDoc/VueDoc.tsx
+++ b/frontend/app/components/Client/Integrations/Tracker/VueDoc/VueDoc.tsx
@@ -16,10 +16,10 @@ function VueDoc() {
     : sites[0]?.projectKey;
 
   const usage = `import Vuex from 'vuex'
-import OpenReplay from '@openreplay/tracker';
+import { tracker } from '@openreplay/tracker';
 import trackerVuex from '@openreplay/tracker-vuex';
 //...
-const tracker = new OpenReplay({
+tracker.configure({
   projectKey: '${projectKey}'
 });
 tracker.start()
@@ -29,10 +29,11 @@ const store = new Vuex.Store({
   plugins: [tracker.use(trackerVuex(<options>))] // check list of available options below
 });`;
   const usageCjs = `import Vuex from 'vuex'
-import OpenReplay from '@openreplay/tracker/cjs';
+import { tracker } from '@openreplay/tracker/cjs';
+// alternatively you can use dynamic import without /cjs suffix to prevent issues with window scope
 import trackerVuex from '@openreplay/tracker-vuex/cjs';
 //...
-const tracker = new OpenReplay({
+tracker.configure({
   projectKey: '${projectKey}'
 });
 //...
diff --git a/frontend/app/components/Client/Integrations/Tracker/ZustandDoc/ZustandDoc.tsx b/frontend/app/components/Client/Integrations/Tracker/ZustandDoc/ZustandDoc.tsx
index b25f40dd6..75e51afaf 100644
--- a/frontend/app/components/Client/Integrations/Tracker/ZustandDoc/ZustandDoc.tsx
+++ b/frontend/app/components/Client/Integrations/Tracker/ZustandDoc/ZustandDoc.tsx
@@ -16,11 +16,10 @@ function ZustandDoc(props) {
     : sites[0]?.projectKey;
 
   const usage = `import create from "zustand";
-import Tracker from '@openreplay/tracker';
+import { tracker } from '@openreplay/tracker';
 import trackerZustand, { StateLogger } from '@openreplay/tracker-zustand';
 
-
-const tracker = new Tracker({
+tracker.configure({
   projectKey: ${projectKey},
 });
 
@@ -43,11 +42,12 @@ const useBearStore = create(
 )
 `;
   const usageCjs = `import create from "zustand";
-import Tracker from '@openreplay/tracker/cjs';
+import { tracker } from '@openreplay/tracker/cjs';
+// alternatively you can use dynamic import without /cjs suffix to prevent issues with window scope
 import trackerZustand, { StateLogger } from '@openreplay/tracker-zustand/cjs';
 
 
-const tracker = new Tracker({
+tracker.configure({
   projectKey: ${projectKey},
 });
 
diff --git a/frontend/app/components/Onboarding/components/OnboardingTabs/InstallDocs/InstallDocs.js b/frontend/app/components/Onboarding/components/OnboardingTabs/InstallDocs/InstallDocs.js
index c9dc3c245..724d95eea 100644
--- a/frontend/app/components/Onboarding/components/OnboardingTabs/InstallDocs/InstallDocs.js
+++ b/frontend/app/components/Onboarding/components/OnboardingTabs/InstallDocs/InstallDocs.js
@@ -7,16 +7,17 @@ import stl from './installDocs.module.css';
 import { useTranslation } from 'react-i18next';
 
 const installationCommand = 'npm i @openreplay/tracker';
-const usageCode = `import Tracker from '@openreplay/tracker';
+const usageCode = `import { tracker } from '@openreplay/tracker';
 
-const tracker = new Tracker({
+tracker.configure({
   projectKey: "PROJECT_KEY",
   ingestPoint: "https://${window.location.hostname}/ingest",
 });
 tracker.start()`;
-const usageCodeSST = `import Tracker from '@openreplay/tracker/cjs';
+const usageCodeSST = `import { tracker } from '@openreplay/tracker/cjs';
+// alternatively you can use dynamic import without /cjs suffix to prevent issues with window scope
 
-const tracker = new Tracker({
+tracker.configure({
   projectKey: "PROJECT_KEY",
   ingestPoint: "https://${window.location.hostname}/ingest",
 });
diff --git a/frontend/app/components/shared/TrackingCodeModal/InstallDocs/InstallDocs.js b/frontend/app/components/shared/TrackingCodeModal/InstallDocs/InstallDocs.js
index b9f400d4e..526382406 100644
--- a/frontend/app/components/shared/TrackingCodeModal/InstallDocs/InstallDocs.js
+++ b/frontend/app/components/shared/TrackingCodeModal/InstallDocs/InstallDocs.js
@@ -5,17 +5,18 @@ import stl from './installDocs.module.css';
 import { useTranslation } from 'react-i18next';
 
 const installationCommand = 'npm i @openreplay/tracker';
-const usageCode = `import Tracker from '@openreplay/tracker';
+const usageCode = `import { tracker } from '@openreplay/tracker';
 
-const tracker = new Tracker({
+tracker.configure({
   projectKey: "PROJECT_KEY",
   ingestPoint: "https://${window.location.hostname}/ingest",
 });
 
 tracker.start()`;
-const usageCodeSST = `import Tracker from '@openreplay/tracker/cjs';
+const usageCodeSST = `import { tracker } from '@openreplay/tracker/cjs';
+// alternatively you can use dynamic import without /cjs suffix to prevent issues with window scope
 
-const tracker = new Tracker({
+tracker.configure({
   projectKey: "PROJECT_KEY",
   ingestPoint: "https://${window.location.hostname}/ingest",
 });
diff --git a/tracker/tracker-assist/.yarn/install-state.gz b/tracker/tracker-assist/.yarn/install-state.gz
index a6fe4294c..9ef26268b 100644
Binary files a/tracker/tracker-assist/.yarn/install-state.gz and b/tracker/tracker-assist/.yarn/install-state.gz differ
diff --git a/tracker/tracker/.yarn/install-state.gz b/tracker/tracker/.yarn/install-state.gz
index 195bd0d89..c1f9dd9b8 100644
Binary files a/tracker/tracker/.yarn/install-state.gz and b/tracker/tracker/.yarn/install-state.gz differ
diff --git a/tracker/tracker/CHANGELOG.md b/tracker/tracker/CHANGELOG.md
index ef8e97fd4..50166be88 100644
--- a/tracker/tracker/CHANGELOG.md
+++ b/tracker/tracker/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 16.0.2
+
+- fix attributeSender key generation to prevent calling native methods on objects
+
 ## 16.0.1
 
 - drop computing ts digits
diff --git a/tracker/tracker/package.json b/tracker/tracker/package.json
index ea0fbec48..13eab0724 100644
--- a/tracker/tracker/package.json
+++ b/tracker/tracker/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@openreplay/tracker",
   "description": "The OpenReplay tracker main package",
-  "version": "16.0.1",
+  "version": "16.0.2",
   "keywords": [
     "logging",
     "replay"
diff --git a/tracker/tracker/src/main/modules/attributeSender.ts b/tracker/tracker/src/main/modules/attributeSender.ts
index 200de919b..70f7cff43 100644
--- a/tracker/tracker/src/main/modules/attributeSender.ts
+++ b/tracker/tracker/src/main/modules/attributeSender.ts
@@ -15,7 +15,9 @@ export class StringDictionary {
 
   getKey = (str: string): [number, boolean] => {
     let isNew = false
-    if (!this.backDict[str]) {
+    // avoiding potential native object properties
+    const safeKey = `__${str}`
+    if (!this.backDict[safeKey]) {
       isNew = true
       // shaving the first 2 digits of the timestamp (since they are irrelevant for next millennia)
       const shavedTs = Date.now() % 10 ** (13 - 2)
@@ -26,10 +28,10 @@ export class StringDictionary {
       } else {
         this.lastSuffix = 1
       }
-      this.backDict[str] = id
+      this.backDict[safeKey] = id
       this.lastTs = shavedTs
     }
-    return [this.backDict[str], isNew]
+    return [this.backDict[safeKey], isNew]
   }
 }