Simon Willison’s Weblog

Optimizing JavaScript for Execution Speed (via) Performance tips from Andy King

Posted 1st December 2004 at 9:47 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