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React is on 4,548 of the scanned sites, jQuery UI on 120, and 2 run both. Counted from the latest scan of each site.
Widget and interaction library on top of jQuery, held by the OpenJS Foundation and kept in maintenance-only mode.
120 sites1% of the 8,236 scanned sites using JavaScript Frameworks & Libraries0 sites in the last 90 days, open-sourceA switch is a confirmed removal of one and an addition of the other on the same site, between two of our monthly scans.
No switches between the two yet. We rescan every site monthly and count each one here.
JavaScript UI library for web and native apps, owned since February 2026 by the React Foundation under the Linux Foundation.
Self-hosted web fonts56%
AWS51%Using jQuery UI and not React.
Using React and not jQuery UI.