JavaScript Framework Performance Statistics 2026
How the major JavaScript frameworks, meta-frameworks, static site generators, and CSS frameworks compare on real-user Core Web Vitals. Framework benchmarks developers actually share - each stat links to the full study with charts and data.
Last updated July 2026 from the May 2026 CrUX release.
The headline numbers
React 37.1%, Vue 33.7%, Angular 33.6% - Alpine.js Beats Them All at 56.3%.
Astro Passes Core Web Vitals on 48% of Sites. Next.js Manages 29.3%.
Hugo and Jekyll Hit ~90% Good LCP. The 'Static' Category Average Is 32.8%.
Bootstrap Passes Core Web Vitals on 45.7% of Mobile Sites. Tailwind Manages 36.8%.
64% of the Mobile Web Still Runs jQuery - and Those Sites Are Faster.
Frameworks & meta-frameworks
Source: PageSpeed Matters analysis of 3.5 million-plus origins with CrUX field data, May 2026. Web-wide mobile average is about 42% on the same basis.
The ranking sorts by runtime weight: the less JavaScript a framework runs before interactivity, the higher its field pass rate.
React 37.1%, Vue 33.7%, Angular 33.6% - Alpine.js Beats Them All at 56.3%.
Astro Passes Core Web Vitals on 48% of Sites. Next.js Manages 29.3%.
Build tools & libraries
Source: PageSpeed Matters analysis of static-tool origins with CrUX field data, mobile, May 2026.
The table is a gradient of JavaScript weight: the more a tool ships, the later the main content paints.
Hugo and Jekyll Hit ~90% Good LCP. The 'Static' Category Average Is 32.8%.
Bootstrap Passes Core Web Vitals on 45.7% of Mobile Sites. Tailwind Manages 36.8%.
64% of the Mobile Web Still Runs jQuery - and Those Sites Are Faster.
Download the data
Every stat on this page with its sample size, source, and study URL.
Cite this page
JavaScript Framework Performance Statistics 2026. PageSpeed Matters. https://www.pagespeedmatters.com/resources/statistics/javascript-frameworks
Every statistic here comes from an original study with full methodology, charts, and a downloadable dataset.
Browse all data studies