Simon Willison’s Weblog

CSS 2.1 Index. The best way of browing the CSS spec. Even better with TypeAhead find.

Posted 20th September 2004 at 6:36 pm

Recent articles

GPT-5 Thinking in ChatGPT (aka Research Goblin) is shockingly good at search - 6th September 2025
V&A East Storehouse and Operation Mincemeat in London - 27th August 2025
The Summer of Johann: prompt injections as far as the eye can see - 15th August 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