Simon Willison’s Weblog

How search.twitter.com uses Varnish. Includes examples of the configuration options they use.

Posted 2nd March 2009 at 5:08 pm

Recent articles

My review of Claude's new Code Interpreter, released under a very confusing name - 9th September 2025
Recreating the Apollo AI adoption rate chart with GPT-5, Python and Pyodide - 9th September 2025
GPT-5 Thinking in ChatGPT (aka Research Goblin) is shockingly good at search - 6th September 2025

caching 48 search 93 twitter 160 varnish 14

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