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

Grok: searching X for "from:elonmusk (Israel OR Palestine OR Hamas OR Gaza)" - 11th July 2025
Phoenix.new is Fly's entry into the prompt-driven app development space - 23rd June 2025
Trying out the new Gemini 2.5 model family - 17th June 2025

caching 47 search 91 twitter 160 varnish 10

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