Simon Willison’s Weblog

How to write Firefox extensions. Somone emailed me a link to this.

Posted 15th July 2004 at 12:47 am

Recent articles

Cooking with Claude - 23rd December 2025
Your job is to deliver code you have proven to work - 18th December 2025
Gemini 3 Flash - 17th December 2025

Monthly briefing

Sponsor me for $10/month and get a curated email digest of the month's most important LLM developments.

Pay me to send you less!

Sponsor & subscribe