diff --git a/front_end/models/trace/insights/DuplicatedJavaScript.ts b/front_end/models/trace/insights/DuplicatedJavaScript.ts
index 01fadc87e6..216b1a0d4f 100644
--- a/front_end/models/trace/insights/DuplicatedJavaScript.ts
+++ b/front_end/models/trace/insights/DuplicatedJavaScript.ts
@@ -35,7 +35,7 @@ export const UIStrings = {
 const str_ = i18n.i18n.registerUIStrings('models/trace/insights/DuplicatedJavaScript.ts', UIStrings);
 export const i18nString = i18n.i18n.getLocalizedString.bind(undefined, str_);
 
-export type DuplicateJavaScriptInsightModel = InsightModel<typeof UIStrings, {
+export type DuplicatedJavaScriptInsightModel = InsightModel<typeof UIStrings, {
   duplication: Extras.ScriptDuplication.ScriptDuplication,
   duplicationGroupedByNodeModules: Extras.ScriptDuplication.ScriptDuplication,
   scriptsWithDuplication: Handlers.ModelHandlers.Scripts.Script[],
@@ -43,7 +43,8 @@ export type DuplicateJavaScriptInsightModel = InsightModel<typeof UIStrings, {
   mainDocumentUrl: string,
 }>;
 
-function finalize(partialModel: PartialInsightModel<DuplicateJavaScriptInsightModel>): DuplicateJavaScriptInsightModel {
+function finalize(partialModel: PartialInsightModel<DuplicatedJavaScriptInsightModel>):
+    DuplicatedJavaScriptInsightModel {
   const requests = partialModel.scriptsWithDuplication.map(script => script.request).filter(e => !!e);
 
   return {
@@ -59,7 +60,7 @@ function finalize(partialModel: PartialInsightModel<DuplicateJavaScriptInsightMo
 }
 
 export function generateInsight(
-    parsedTrace: Handlers.Types.ParsedTrace, context: InsightSetContext): DuplicateJavaScriptInsightModel {
+    parsedTrace: Handlers.Types.ParsedTrace, context: InsightSetContext): DuplicatedJavaScriptInsightModel {
   const scripts = parsedTrace.Scripts.scripts.filter(script => {
     if (!context.navigation) {
       return false;
diff --git a/front_end/panels/timeline/components/SidebarSingleInsightSet.test.ts b/front_end/panels/timeline/components/SidebarSingleInsightSet.test.ts
index d5b4b5b8a3..4cfd23b904 100644
--- a/front_end/panels/timeline/components/SidebarSingleInsightSet.test.ts
+++ b/front_end/panels/timeline/components/SidebarSingleInsightSet.test.ts
@@ -67,6 +67,7 @@ describeWithEnvironment('SidebarSingleInsightSet', () => {
       'Font display',
       'Optimize viewport for mobile',
       'Optimize DOM size',
+      'Duplicated JavaScript',
       'CSS Selector costs',
       'Forced reflow',
       'Use efficient cache lifetimes',
@@ -84,6 +85,7 @@ describeWithEnvironment('SidebarSingleInsightSet', () => {
       'Font display',
       'Optimize viewport for mobile',
       'Optimize DOM size',
+      'Duplicated JavaScript',
       'CSS Selector costs',
       'Forced reflow',
       'Use efficient cache lifetimes',
@@ -124,6 +126,7 @@ describeWithEnvironment('SidebarSingleInsightSet', () => {
       'Document request latency',
       'Optimize viewport for mobile',
       'Optimize DOM size',
+      'Duplicated JavaScript',
       'CSS Selector costs',
       'Forced reflow',
       'Modern HTTP',
@@ -140,6 +143,7 @@ describeWithEnvironment('SidebarSingleInsightSet', () => {
       'Document request latency',
       'Optimize viewport for mobile',
       'Optimize DOM size',
+      'Duplicated JavaScript',
       'CSS Selector costs',
       'Forced reflow',
       'Modern HTTP',
diff --git a/front_end/panels/timeline/components/SidebarSingleInsightSet.ts b/front_end/panels/timeline/components/SidebarSingleInsightSet.ts
index acc3c31255..d94407f877 100644
--- a/front_end/panels/timeline/components/SidebarSingleInsightSet.ts
+++ b/front_end/panels/timeline/components/SidebarSingleInsightSet.ts
@@ -90,7 +90,6 @@ export interface SidebarSingleInsightSetData {
  * us to ship incrementally without turning insights on by default for all
  * users. */
 const EXPERIMENTAL_INSIGHTS: ReadonlySet<string> = new Set([
-  'DuplicatedJavaScript',
 ]);
 
 type InsightNameToComponentMapping =
diff --git a/front_end/panels/timeline/components/insights/DuplicatedJavaScript.ts b/front_end/panels/timeline/components/insights/DuplicatedJavaScript.ts
index aa553f0d55..06ca3a0878 100644
--- a/front_end/panels/timeline/components/insights/DuplicatedJavaScript.ts
+++ b/front_end/panels/timeline/components/insights/DuplicatedJavaScript.ts
@@ -5,7 +5,7 @@
 import './Table.js';
 
 import * as i18n from '../../../../core/i18n/i18n.js';
-import type {DuplicateJavaScriptInsightModel} from '../../../../models/trace/insights/DuplicatedJavaScript.js';
+import type {DuplicatedJavaScriptInsightModel} from '../../../../models/trace/insights/DuplicatedJavaScript.js';
 import * as Trace from '../../../../models/trace/trace.js';
 import * as Buttons from '../../../../ui/components/buttons/buttons.js';
 import * as Lit from '../../../../ui/lit/lit.js';
@@ -21,7 +21,7 @@ const {UIStrings, i18nString} = Trace.Insights.Models.DuplicatedJavaScript;
 
 const {html} = Lit;
 
-export class DuplicatedJavaScript extends BaseInsightComponent<DuplicateJavaScriptInsightModel> {
+export class DuplicatedJavaScript extends BaseInsightComponent<DuplicatedJavaScriptInsightModel> {
   static override readonly litTagName = Lit.StaticHtml.literal`devtools-performance-duplicated-javascript`;
   override internalName = 'duplicated-javascript';
   #treemapData: Utils.Treemap.TreemapData|null = null;
diff --git a/front_end/panels/timeline/utils/Treemap.ts b/front_end/panels/timeline/utils/Treemap.ts
index 2a58daac4c..43e53958fa 100644
--- a/front_end/panels/timeline/utils/Treemap.ts
+++ b/front_end/panels/timeline/utils/Treemap.ts
@@ -71,6 +71,7 @@ export function openTreemap(treemapData: TreemapData, mainDocumentUrl: string, w
         locale: i18n.DevToolsLocale.DevToolsLocale.instance().locale,
       },
     },
+    initialView: 'duplicate-modules',
   };
   const url = 'https://googlechrome.github.io/lighthouse/treemap/';
   const windowName = `treemap-${windowNameSuffix}`;