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Compression Dictionary Transport

Limited availability

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 Released on 2024-10-15
  • Chrome Android 130 Released on 2024-10-15
  • Edge 130 Released on 2024-10-17
  • Firefox Not supported Bugs: 1882979 1918013 1917963 1917974 1917965 1917979 1917982
  • Firefox for Android Not supported
  • Safari Not supported
  • Safari on iOS Not supported
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MDN documentation

Specifications

Usage (according to Chrome Platform Status)

~10.962% of page loads. More data at chromestatus.com.

Web Platform Tests (WPT)

View the latest WPT test results for this feature

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