Original Research
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.
The headline numbers
- 56.3%Alpine.js mobile pass rate, more than twice Nuxt.js's 24.9%. The lightest runtime tops the table.Read the study
- 48.0%Astro's mobile Core Web Vitals pass rate, more than 1.6 times Next.js's 29.3% and roughly double Nuxt's 24.9%.Read the study
- ~90%Good-LCP rate for Hugo and Jekyll, among the best-loading tools on the entire web.Read the study
- 45.7%Share of Bootstrap sites that pass Core Web Vitals on mobile, versus 36.8% for Tailwind.Read the study
- 64%of the Mobile Web Still Runs jQuery - and Those Sites Are Faster.Read the study
Charts from the studies
Core Web Vitals pass rate by framework (mobile)
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. Read the study: JavaScript Framework Speed 2026: Alpine Leads at 56% Good loading (LCP) by "static" tool (mobile)
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. Read the study: Static Site Generator Speed 2026: Hugo & Jekyll 90%
Frameworks & meta-frameworks
Build tools & libraries
- Hugo and Jekyll Hit ~90% Good LCP. The 'Static' Category Average Is 32.8%.Read the study: Static Site Generator Speed 2026: Hugo & Jekyll 90%
- Bootstrap Passes Core Web Vitals on 45.7% of Mobile Sites. Tailwind Manages 36.8%.Read the study: Bootstrap vs Tailwind 2026: 45.7% vs 36.8% Pass CWV
- 64% of the Mobile Web Still Runs jQuery - and Those Sites Are Faster.Read the study: jQuery Usage Statistics 2026: 64% of 9.58M Sites
How this is measured
Every figure on this page is first-party. It comes from the Chrome User Experience Report (CrUX) real-user field data via Google BigQuery, latest release May 2026, spanning up to 13.75 million origins. No third-party estimates or recycled statistics.
Browse all data studiesDownload 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
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