Early data
TLS 1.3 sessions may be resumed more quickly by sending so-called early data to servers before the TLS handshake has finished. Also known as zero round-trip time resumption or 0-RTT.
Status
Limited availability
MDN documentation
Specifications
- Using Early Data in HTTP, from HTTP Working Group (IETF).
Browser support
- Chrome ❌ See crbug.com/41272059
- Chrome Android ❌ See crbug.com/41272059
- Edge ❌ See crbug.com/41272059
- Firefox 58 Released on 2018-01-23
- Firefox for Android 58 Released on 2018-01-22
- Safari ❌
- Safari on iOS ❌
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