This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The HyperText Transfer Protocol (HTTP) 425 Too Early
response status code indicates that the server is unwilling to risk processing a request that might be replayed, which creates the potential for a replay attack.
Status
425 Too Early
Specifications
Specification | Title |
---|---|
RFC 8470, section 5.2: 425: Early Data | Using Early Data in HTTP |
Browser compatibility
The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
425 | Chrome ? | Edge ? | Firefox Full support 58 | IE ? | Opera ? | Safari ? | WebView Android ? | Chrome Android ? | Firefox Android Full support 58 | Opera Android ? | Safari iOS ? | Samsung Internet Android ? |
Legend
- Full support
- Full support
- Compatibility unknown
- Compatibility unknown