SVG favicons

[rakleed]

Description

Cross-browser support for SVG favorite icons (<link rel="icon">).

Specification

https://html.spec.whatwg.org/multipage/links.html#rel-icon

Additional Signals

• https://chromestatus.com/feature/5180316371124224
• https://issues.chromium.org/issues/40333425
• https://bugs.webkit.org/show_bug.cgi?id=136059
• https://caniuse.com/link-icon-svg
• https://stackoverflow.com/questions/34446050/svg-favicon-not-working
• https://css-tricks.com/svg-favicons-and-all-the-fun-things-we-can-do-with-them/
• https://dev.to/masakudamatsu/favicon-nightmare-how-to-maintain-sanity-3al7

[o-t-w]

https://github.com/WebKit/standards-positions/issues/367

[zcorpan]

I think this isn't currently testable in wpt. See https://github.com/web-platform-tests/wpt/issues/27873