Simon Willison’s Weblog

Acid3 is out. The third Acid test, again compiled by Ian Hickson. This one viciously tests DOM Scripting standards compliance and currently exposes flaws in every browser.

Posted 5th March 2008 at 12:34 am

Recent articles

My answers to the questions I posed about porting open source code with LLMs - 11th January 2026
Fly's new Sprites.dev addresses both developer sandboxes and API sandboxes at the same time - 9th January 2026
LLM predictions for 2026, shared with Oxide and Friends - 8th January 2026

acid3 5 ian-hickson 22 javascript 732 standards 33 web-standards-project 8

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