ASP.NET Core middleware for automatic ETag and Last-Modified handling, conditional request validation, and per-endpoint caching policies.

Multithreaded HTTP/1.1 origin server over raw TCP sockets in Python with conditional caching, gzip compression, streaming, path-traversal protection. No framework, no third-party libraries.

HTTP Conditional Requests middleware for Fetch API

PSR-15 HTTP caching middleware with ETag support and RFC 7234 compliance. Automatic ETag generation (MD5/SHA256), 304 Not Modified responses, Cache-Control builder. Framework-agnostic, zero configuration, production-ready. Works with any PSR-15 application.