This GitHub issue is for collecting web developer signals for Compression Dictionary Transport.
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)
Browser support





- Chrome 130 (Oct 15, 2024)
- Chrome Android 130 (Oct 15, 2024)
- Edge 130 (Oct 17, 2024)
- Firefox: not supported
- Firefox for Android: not supported
- Safari: not supported
- Safari on iOS: not supported
Give us feedback
If you're pressed for time, but you want this feature to be available in all browsers, please give this issue a thumbs up 👍 reaction.
However, a much better guide for us is to know how you'd use this feature, and what you're having to do in the meantime. This helps us judge the priority versus other features.
Copy the template below in a comment, and add the details that matter to you.
## What I want to do with this feature
<!-- Add your specific use-cases, even if they seem obvious to you. -->
## What I'm having to do in the meantime
<!--
Are you having to use another feature instead, a polyfill, or is it blocking you completely?
Why are the alternatives worse than using this feature?
-->
All comments are expected to adhere to the Code of Conduct.
Learn more
You can learn more about this feature here:
This GitHub issue is for collecting web developer signals for Compression Dictionary Transport.
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)
Browser support
Give us feedback
If you're pressed for time, but you want this feature to be available in all browsers, please give this issue a thumbs up 👍 reaction.
However, a much better guide for us is to know how you'd use this feature, and what you're having to do in the meantime. This helps us judge the priority versus other features.
Copy the template below in a comment, and add the details that matter to you.
All comments are expected to adhere to the Code of Conduct.
Learn more
You can learn more about this feature here: