Simon Willison’s Weblog

IE and 2-letter domain-names (via) IE won’t let you set a cookie on XX.YY, where YY is anything other than .pl or .gr. Other browsers have better exception lists.

Posted 15th February 2007 at 12:33 am

Recent articles

Two new Showboat tools: Chartroom and datasette-showboat - 17th February 2026
Deep Blue - 15th February 2026
The evolution of OpenAI's mission statement - 13th February 2026

cookies 27 dns 31 internet-explorer 74 mark-pilgrim 85

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