Zstandard or zstd is fast lossless compression algorithm. When used as a content encoding, it is often faster and offers better compression than brotli.

Learning resources on MDN

• Zstd, in Content-Encoding

Browser support (view on caniuse.com)

• Chrome 123 Released on 2024-03-19
• Chrome Android 123 Released on 2024-03-19
• Edge 123 Released on 2024-03-22
• Firefox 126 Released on 2024-05-14
• Firefox for Android 126 Released on 2024-05-14
• Safari ❌
• Safari on iOS ❌

Baseline availability blocked since May 2024 by Safari (7 months)

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