React vs Stencil

React is on 4,548 of the scanned sites, Stencil on 121, and 14 run both. Counted from the latest scan of each site.

JavaScript UI library for web and native apps, owned since February 2026 by the React Foundation under the Linux Foundation.

4,548 sites55% of the 8,236 scanned sites using JavaScript Frameworks & Libraries+4 sites in the last 90 days, open-source

Ionic's open source web component compiler for component libraries and design systems shared across apps.

121 sites1% of the 8,236 scanned sites using JavaScript Frameworks & Libraries0 sites in the last 90 days, open-source

Switches between them

A switch is a confirmed removal of one and an addition of the other on the same site, between two of our monthly scans.

React → Stencil0

Stencil → React0

Sites running both14

No switches between the two yet. We rescan every site monthly and count each one here.

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