What a VS Code verified publisher badge means, compared with Open VSX →
Check, on hover, which CSS sytax, keywords, types or functions are compatible or supported with all browsers and thier versions.
Daily readings on both stores, taken by us. As of 24 Sept 2026.
Each bar is one day’s change in the store’s own counter. Open VSX counts a download on every update, so a day includes updates by people who already had it. Days before 5 Sept are reconstructed from public archives rather than read by us.
Positions observed daily on both stores. Neither store publishes this, and the two run separate search engines over separate catalogues.
| Search | Marketplace | Open VSX |
|---|---|---|
| css | #92of 2,599↑3 7d | #176of 501↓4 7d |
| less | #419of 727↓4 7d | #194of 246↓7 7d |
3 more searches, day-by-day history, and the extensions ranked above it. See plans | ||
VS Code Marketplace search ranking: measuring jitter and real movement →
5 releases · first published Mar 2024
Why the Open VSX download count looks inflated →
Downloads count every update, not unique installs.
CSS Compatibility’s own readme, changelog and license, as published to the VS Code Marketplace.