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TIL: @Cloudflare doesn't support the
Vary
HTTP header, which means the origin server can't do any content negotiation, for example send WebP or AVIF for a JPEG request… <developers.cloudflare.com/cache/about/cache-control/#other> @fastly supports it, just saying… 😅 nicolas-hoizey.com/notes/2022/03/15/3/ -
@Cloudflare @fastly The docs for Vary on Fastly: developer.fastly.com/reference/http/http-headers/Vary/