REDbot (original) (raw)

Type in a URI here and press 'return' to check it. You can also specify request headers by clicking 'add a request header.'

REDbot is lint for HTTP resources; it tests protocol correctness, cacheability, content negotiation and more.

version 2.0.15 (httplint 2025.04.1) |about |help | Drag the bookmarklet to your bookmark bar - it makes checking easy! REDbot bookmarklet