Simon Willison’s Weblog

5th March 2008 - Link Blog

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

Running Python code in a sandbox with MicroPython and WASM - 6th June 2026
Claude Opus 4.8: "a modest but tangible improvement" - 28th May 2026
I think Anthropic and OpenAI have found product-market fit - 27th May 2026

This is a link post by Simon Willison, posted on 5th March 2008.

acid3 5 ian-hickson 22 javascript 757 standards 34 web-standards-project 8

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