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We just shipped support for the ugliest part of HTTP: Vary – Cloudflare Blog

Photo: Cloudflare Blog

What happened

The response header, Vary , has been called “ the ugliest part of HTTP that we haven't yet improved. ” The same post describes it as a “horrible, kludgy mechanism” with “pretty abysmal interoperability” across intermediaries. That is usually where sensible engineers back away slowly with their hands raised. That’s not exactly an endorsement of Vary , but ugly doesn’t mean useless. One URL can have more than one corr…

Summary assembled by rule from the sources below

Why it's spreading

Timeline

  1. First appeared on Cloudflare BlogCloudflare Blog
  2. Discussion started on Hacker NewsHacker News

Sources