diff --git a/front_end/core/host/UserMetrics.ts b/front_end/core/host/UserMetrics.ts
index 08d5fc999c..c0653efe4f 100644
--- a/front_end/core/host/UserMetrics.ts
+++ b/front_end/core/host/UserMetrics.ts
@@ -583,7 +583,8 @@ export enum DevtoolsExperiments {
   'groupAndHideIssuesByKind' = 51,
   'cssTypeComponentLength' = 52,
   'preciseChanges' = 53,
-  'MaxValue' = 54,
+  'bfcacheDisplayTree' = 54,
+  'MaxValue' = 55,
 }
 /* eslint-enable @typescript-eslint/naming-convention */
 
diff --git a/front_end/entrypoints/main/MainImpl.ts b/front_end/entrypoints/main/MainImpl.ts
index 3257faf9c2..4a07beaa9e 100644
--- a/front_end/entrypoints/main/MainImpl.ts
+++ b/front_end/entrypoints/main/MainImpl.ts
@@ -297,6 +297,10 @@ export class MainImpl {
         'keyboardShortcutEditor', 'Enable keyboard shortcut editor', true,
         'https://developer.chrome.com/blog/new-in-devtools-88/#keyboard-shortcuts');
 
+    // Back/forward cache
+    Root.Runtime.experiments.register(
+        'bfcacheDisplayTree', 'Show back/forward cache blocking reasons in the frame tree structure view');
+
     // Timeline
     Root.Runtime.experiments.register('timelineEventInitiators', 'Timeline: event initiators');
     Root.Runtime.experiments.register('timelineInvalidationTracking', 'Timeline: invalidation tracking', true);