MDN Browser Compatibility Data

Assess

Platforms

Mozilla's structured dataset of browser feature compatibility information.

Why it's here

Placed in Assess: 1 article(s) of evidence from 1 source(s), led by open-source activity, with 0 in the last 30 days. Confidence 24%. Low accumulated evidence, so it defaults conservatively pending more signal.

Evidence (1)

4Simon Willison·6/24/2026open_source
Browser compatibility data converted into a SQLite database
Simon Willison created a SQLite version of Mozilla's mdn/browser-compat-data repository, making browser compatibility data easier to query and explore. The database is published on GitHub in a way that supports open CORS headers, enabling direct use in tools like Datasette Lite.