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Content negotiation

Assess

Techniques

A method for serving different response variants based on request preferences.

Why it's here

Placed in Assess: 1 article(s) of evidence from 3 source(s), led by framework updates, with 1 in the last 30 days. Confidence 38%.

Evidence (1)

  • 7Hacker News·9/22/2026framework_update
    Cloudflare adds Vary support in Cache Rules

    Cloudflare announced support for the HTTP Vary response header in Cache Rules across all plans. The feature lets users choose how Cloudflare handles request-header differences, including normalization, exact passthrough, or cache bypass, to reduce unnecessary cache fragmentation while preserving correct responses.