Simon Willison’s Weblog

24th May 2004 - Link Blog

Background Images Security Flaw? Styling :visited links can reveal a user’s browser history.

Posted 24th May 2004 at 8:24 pm

Recent articles

I vibe coded my dream macOS presentation app - 25th February 2026
Writing about Agentic Engineering Patterns - 23rd February 2026
Adding TILs, releases, museums, tools and research to my blog - 20th February 2026

This is a link post by Simon Willison, posted on 24th May 2004.

css 233 security 577

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