The State of Web Vitals

JavaScript frameworks on Wix sites

The JavaScript framework detected on the site.

Field data PhoneDesktopAll Scope All sites October 2026 edition · Phone field outcomes · Wix sites only
Wix Scoped to 5,623 sites out of 203,892 analyzed (cms) Compare with all sites →
All three LCP, INP and CLS LCP Loading INP Interaction CLS Visual stability

99.9% of Wix sites use React JavaScript frameworks, and 89% of those sites pass all three Core Web Vitals, against 89% of all Wix sites.

The State of Web Vitals · October 2026 · Wix: 5,621 crawled sites · 3,077 with phone field dataBy Arjen Karel · corewebvitals.io/state-of-cwv
1

Core Web Vitals pass rate

Sites with React JavaScript frameworks pass all three Core Web Vitals most often: 89%, against 89% of all Wix sites.

SitesAll three good · at least one needs improvement · at least one poor
All Wix sites3,07789%
Vue.js 0.2%1191%
React 99.9%3,07689%
jQuery 1.0%2965%
Svelte 0.3%1150%
GoodNeeds improvementPoorSites: with Chrome field data
The State of Web Vitals · October 2026 · Wix: 5,621 crawled sites · 3,077 with phone field dataBy Arjen Karel · corewebvitals.io/state-of-cwv
2

JavaScript frameworks usage

React is the most used: 99.9% of Wix sites.

Sites using each option (sites can use more than one) 5,621 sites
React 99.9%
React 99.9% jQuery 1.0% Svelte 0.3% Vue.js 0.2%
The State of Web Vitals · October 2026 · Wix: 5,621 crawled sites · 3,077 with phone field dataBy Arjen Karel · corewebvitals.io/state-of-cwv
3

How JavaScript frameworks affect the four LCP phases

Median LCP phase breakdown (Chrome field p75) Load delay Median LCP
All Wix sites 2,353404 ms446 ms446 mslab 453 ms1.1s
React 2,353404 ms446 ms446 mslab 453 ms1.1s
TTFB Resource load delay Resource load time Element render delay
The State of Web Vitals · October 2026 · Wix: 5,621 crawled sites · 3,077 with phone field dataBy Arjen Karel · corewebvitals.io/state-of-cwv
4

JavaScript frameworks per framework

React sets the JavaScript frameworks to React on 100% of its sites, and 89% of React sites pass all three Core Web Vitals, against 89% of all sites.

FrameworkJavaScript frameworks on its sitesPass all three
All Wix sites 5,621 sitesReact 100%89%
React 5,620 sitesReact 100%89%
React jQuery Svelte Vue.js
The State of Web Vitals · October 2026 · Wix: 5,621 crawled sites · 3,077 with phone field dataBy Arjen Karel · corewebvitals.io/state-of-cwv
5

JavaScript frameworks or the host framework

Does the framework explain the JavaScript frameworks difference?

Almost every site with React JavaScript frameworks is a React site, and almost every React site has React JavaScript frameworks, so the data can't tell React JavaScript frameworks and React apart.

The State of Web Vitals · October 2026 · Wix: 5,621 crawled sites · 3,077 with phone field dataBy Arjen Karel · corewebvitals.io/state-of-cwv
Related signals Consent platforms → Ad networks on page → Third-party categories → Optimization plugins → By Arjen Karel · 5,621 crawled Wix sites (3,077 with phone Chrome field data, October 2026) · How we measured