diff --git a/packages/rrweb-snapshot/src/types.ts b/packages/rrweb-snapshot/src/types.ts
index 1abfe4d6c0..e4538a827a 100644
--- a/packages/rrweb-snapshot/src/types.ts
+++ b/packages/rrweb-snapshot/src/types.ts
@@ -169,6 +169,10 @@ export type SlimDOMOptions = Partial<{
   headMetaHttpEquiv: boolean;
   headMetaAuthorship: boolean;
   headMetaVerification: boolean;
+  /**
+   * blocks title tag 'animations' which can generate a lot of mutations that aren't usually displayed in replayers
+   **/
+  headTitleMutations: boolean;
 }>;
 
 export type DataURLOptions = Partial<{
diff --git a/packages/rrweb/src/record/index.ts b/packages/rrweb/src/record/index.ts
index 91f06e6350..ffc6f88b6d 100644
--- a/packages/rrweb/src/record/index.ts
+++ b/packages/rrweb/src/record/index.ts
@@ -174,7 +174,7 @@ function record<T = eventWithTime>(
           // as they destroy some (hidden) info:
           headMetaAuthorship: _slimDOMOptions === 'all',
           headMetaDescKeywords: _slimDOMOptions === 'all',
-          headTitleMutations: _slimDOMOptions === 'all', // block title tag 'animation' which can generate a lot of mutations that aren't usually displayed in replayers
+          headTitleMutations: _slimDOMOptions === 'all',
         }
       : _slimDOMOptions
       ? _slimDOMOptions