Simon Willison’s Weblog

The Resource Expert Droid. Like the HTML Validator but for your server’s HTTP headers—extremely useful.

Posted 25th June 2009 at 10:06 am

Recent articles

Feed a video to a vision LLM as a sequence of JPEG frames on the CLI (also LLM 0.25) - 5th May 2025
Two publishers and three authors fail to understand what "vibe coding" means - 1st May 2025
Understanding the recent criticism of the Chatbot Arena - 30th April 2025

http 96 headers 2 validator 3 resourceexpertdroid 1 mark-nottingham 14