Simon Willison’s Weblog

An Introduction to HTTP Fingerprinting (via) Identifying an HTTP server by probing its HTTP protocol support.

Posted 1st September 2004 at 4:19 pm

Recent articles

Living dangerously with Claude - 22nd October 2025
Claude Code for web - a new asynchronous coding agent from Anthropic - 20th October 2025
Getting DeepSeek-OCR working on an NVIDIA Spark via brute force using Claude Code - 20th October 2025

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