HTTP Archive : The HTTP Archive tracks how the Web is built.
REDbot : REDbot is lint for HTTP resources; it tests protocol correctness, cacheability, content negotiation and more. REDbot checks HTTP resources to see how ...
Smocker : Smocker (server mock) is a simple and efficient HTTP mock server. Smocker exposes a configuration user interface and a configuration api to register n...
Hoppscotch : A free, online, open source API request builder
Minimize round-trip times : An article on the best practices to apply in order to minimize HTTP round-trip times