Simon Willison’s Weblog

Yahoo! supporting OpenID 2.0 but not 1.1. Yahoo!’s Allen Tom outlines the reasons Yahoo! are supporting OpenID 2.0 but not OpenID 1.1.

Posted 19th January 2008 at 9:10 am

Recent articles

LLM predictions for 2026, shared with Oxide and Friends - 8th January 2026
Introducing gisthost.github.io - 1st January 2026
2025: The year in LLMs - 31st December 2025

allen-tom 1 openid 213 openid2 7 yahoo 107

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