Available-Dictionary header
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
Experimental:This is anexperimental technology
Check theBrowser compatibility table carefully before using this in production.
The HTTPAvailable-Dictionary request header allows the browser to specify the best matching dictionary it has to allow the server to useCompression Dictionary Transport for a resource request.
Clients can send anAvailable-Dictionary header when they supportdcb ordcz encodings. The header is a colon-surrounded base-64 encoded SHA-256hash of the dictionary contents.
See theCompression Dictionary Transport guide for more information.
Syntax
http
Available-Dictionary: :<base64-hash>:Directives
<base64-hash>A base-64 encoded SHA-256hash of the dictionary contents.
Examples
http
Accept-Encoding: gzip, br, zstd, dcb, dczAvailable-Dictionary: :pZGm1Av0IEBKARczz7exkNYsZb8LzaMrV7J32a2fFG4=:Specifications
| Specification |
|---|
| Compression Dictionary Transport # name-available-dictionary |
Browser compatibility
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