Compression Dictionary Transport is a mechanism for using designated HTTP responses as an external dictionary for future HTTP responses for compression schemes that support using external dictionaries (e.g., Brotli and Zstandard)

Learning resources on MDN

• Compression Dictionary Transport

Browser support

• Chrome 130 Released on 2024-10-15
• Chrome Android 130 Released on 2024-10-15
• Edge 130 Released on 2024-10-17
• Firefox ❌ See bugzil.la/1918013 bugzil.la/1917963 bugzil.la/1917974 bugzil.la/1917965 bugzil.la/1917979 bugzil.la/1917982
• Firefox for Android ❌ See bugzil.la/1918013 bugzil.la/1917963 bugzil.la/1917974 bugzil.la/1917965 bugzil.la/1917979 bugzil.la/1917982
• Safari ❌
• Safari on iOS ❌

View web-platform-tests results for this feature - View the feature source file (dist) - Edit the feature - Report an issue about this feature