nafyi.

A TOPIC, IN CONTEXT

CDN caching limitations

Judgments in this source concerning CDN caching limitations. Explore 1 viewpoint with evidence from 1 source.

1 people · 1 sources · 1 viewpoints

Content updated:

Explore connections ↗

Viewpoint map

Explore by person. Select two or three to compare.

1 people · 1 sources · 1 viewpoints

Simon Willison

Cloudflare previously ignored Vary for non-image responses

Before the new feature, Cloudflare ignored the Vary header on responses other than images, risking incorrect cache sharing—e.g., caching a JSON response and serving it to a client expecting HTML.

Comment: We just shipped support for the ugliest part of HTTP: Vary

Supporting evidence

Simon Willison·

Comment: We just shipped support for the ugliest part of HTTP: Vary

Original excerpt

This used to be impossible to deploy behind Cloudflare caching, because they ignored the Vary header on anything other than images - so you risked caching the JSON version and then serving it up to someone who was expecting HTML.
Open original · Paragraph 4 (opens in a new tab)Original text source (opens in a new tab)
Share insightCheck this claim

These are individual perspectives, not a measure of consensus. Source material stays in its original language.

Original conversations1

ARTICLE

Comment: We just shipped support for the ugliest part of HTTP: Vary

Simon Willison's Weblog