Simon Willison’s Weblog

The Future of Comet: Part 1, Comet Today. Absolutely the best summary I’ve seen of all of the current Comet techniques in one place.

Posted 11th December 2007 at 1:13 pm

Recent articles

Highlights from my appearance on the Data Renegades podcast with CL Kao and Dori Wilson - 26th November 2025
Claude Opus 4.5, and why evaluating new LLMs is increasingly difficult - 24th November 2025
sqlite-utils 4.0a1 has several (minor) backwards incompatible changes - 24th November 2025

ajax 61 comet 57 iframes 21 jacob-rus 1 javascript 726 long-polling 3 xmlhttprequest 7

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