Add and update MHTML headers to support sharing of MHTML pages

Category: Offline / Storage
Type: New or changed feature
Status: Enabled by default (Chrome 66)
Intent stage: None

Summary

To support sharing of MHTML pages, a new header Snapshot-Content-Location will be added. The existing Subject header will be updated to support encoding of non-printable ASCII characters.

Standards & signals

Firefox: No signal
Safari: No signal
Web developers: No signals
Tracking bug: https://chromium-review.googlesource.com/c/chromium/src/+/701262/

Docs: https://discourse.wicg.io/t/mhtml-generation-and-loading-as-implemented-in-chrome/2387

View on chromestatus.com