# Cloudflare adds Cache Rules support for HTTP Vary header handling

DevFeed: [Cloudflare adds Cache Rules support for HTTP Vary header handling](<https://devfeed.tech/articles/we-just-shipped-support-for-the-ugliest-part-of-http-vary-58221.md>)

Original publisher: [Read original article](<https://blog.cloudflare.com/vary-support/>)

Author: Zaidoon Abd Al Hadi

Published: 2026-09-22T14:04:31Z

Content type: release

Language: en

Sources: [Cloudflare Blog](<https://devfeed.tech/sources/cloudflare-blog.md>)

Topics: [Cache](<https://devfeed.tech/topics/cache.md>), [HTTP](<https://devfeed.tech/topics/http.md>), [Cloudflare](<https://devfeed.tech/topics/cloudflare.md>)

Tags: [cache](<https://devfeed.tech/tags/cache.md>), [caching](<https://devfeed.tech/tags/caching.md>), [cdn](<https://devfeed.tech/tags/cdn.md>), [cloudflare](<https://devfeed.tech/tags/cloudflare.md>), [headers](<https://devfeed.tech/tags/headers.md>), [http](<https://devfeed.tech/tags/http.md>), [performance](<https://devfeed.tech/tags/performance.md>), [pingora](<https://devfeed.tech/tags/pingora.md>)

## AI overview

Cloudflare has added support for the HTTP Vary response header in Cache Rules on every plan. The feature lets users normalize negotiation headers, preserve exact values when needed, or bypass caching when variation is unpredictable.

## Source excerpt

Vary support is now available in Cache Rules on every plan. You can normalize known negotiation headers, pass exact values through to the origin when those small differences matter, or bypass cache when the variation is too unpredictable.