Common HTTP Implementation Problems

Better understanding server-side Web technologies to avoid misusing them.

This document is a set of good practices to improve implementations of HTTP and related standards as well as their use. It explains a few basic concepts, points out common mistakes and misbehaviors, and suggests "best practices".

This document does not incriminate any specific product. W3C does not track bugs or errors in implementations. That information is generally tracked by the vendors themselves, or third parties.