Simon Willison’s Weblog

Webstemmer. HTML layout analyzer that figures out the structure of a site. Very, very clever.

Posted 24th April 2006 at 8:05 pm

Recent articles

Design Patterns for Securing LLM Agents against Prompt Injections - 13th June 2025
Comma v0.1 1T and 2T - 7B LLMs trained on openly licensed text - 7th June 2025
The last six months in LLMs, illustrated by pelicans on bicycles - 6th June 2025

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