Redirection · HTTP reference

304Not Modified

The cached version is still current. No download needed.

304 is a cache validation result, not a redirect to a new URL. It has no response body.

The company behind the code.

For caching tools that skip needless downloads.

The cached version is still current. No download needed.

Available

Your logo, your message, your corner of the internet.

Returns this HTTP status with the current sponsor’s name, advertising message and website. Useful for testing how your app handles a response.

GET /responses/304

This status has no response body. Sponsor details are in the X-Status-Sponsor-Details header as percent-encoded JSON.

This is an independent project. Sponsorship does not confer ownership of HTTP standards.

Redirection responses indicate another step or reuse of a cached representation.

Inspect Location for redirects and cache validators for 304. A redirect’s treatment of the original request method depends on its status code.

Reference reviewed 5 September 2026. How we use sources.