hasAccount. Stuart proposes a light-weight API for letting any site know if a user has an account (and is signed in) on another service. I wouldn’t want to deploy this without being confident that my CSRF protection was in order.
Recent articles
- Adding dynamic features to an aggressively cached website - 28th January 2026
- ChatGPT Containers can now run bash, pip/npm install packages, and download files - 26th January 2026
- Wilson Lin on FastRender: a browser built by thousands of parallel agents - 23rd January 2026