62.1% of Wix sites use element box growth layout shift causes, and 96% of those sites have a good CLS, against 96% of all Wix sites.
The State of Web Vitals · October 2026 · Wix: 5,621 crawled sites · 728 with desktop field data · 1,024 sites with layout shift causesBy Arjen Karel · corewebvitals.io/state-of-cwv
Sites with element box growth layout shift causes have a good CLS most often: 96%, against 96% of all Wix sites.
SitesGood, needs improvement, poor CLSMedian
All Wix sites72896%0.01
Element box growth (box_grow) 62.1%10996%0.01
Displaced sibling element 40.9%7296%0.01
Web font swap text reflow 13.2%2195%0.01
GoodNeeds improvementPoorSites: with Chrome field data
The State of Web Vitals · October 2026 · Wix: 5,621 crawled sites · 728 with desktop field data · 1,024 sites with layout shift causesBy Arjen Karel · corewebvitals.io/state-of-cwv
2
Layout shift causes usage
Element box growth is the most used: 62.1% of Wix sites.
Sites using each option (sites can use more than one) 1,024 sites
Element box growth (box_grow) 62.1% Displaced sibling element 40.9% Web font swap text reflow 13.2%
Element box growth (box_grow) 62.1% Displaced sibling element 40.9% Web font swap text reflow 13.2%
The State of Web Vitals · October 2026 · Wix: 5,621 crawled sites · 728 with desktop field data · 1,024 sites with layout shift causesBy Arjen Karel · corewebvitals.io/state-of-cwv
3
Layout shift causes per framework
React sets the layout shift causes to element box growth on 62% of its sites, and 96% of React sites have a good CLS, against 96% of all sites.
FrameworkLayout shift causes on its sitesGood CLS
Wix sites with layout shift causes 1,024 sitesElement box growth (box_grow) 62%Displaced sibling element 41%Web font swap text reflow 13%96%
React 1,023 sitesElement box growth (box_grow) 62%Displaced sibling element 41%Web font swap text reflow 13%96% Element box growth (box_grow) Displaced sibling element Web font swap text reflow
The State of Web Vitals · October 2026 · Wix: 5,621 crawled sites · 728 with desktop field data · 1,024 sites with layout shift causesBy Arjen Karel · corewebvitals.io/state-of-cwv
4
Layout shift causes or the framework
Does the framework explain the layout shift causes difference?
On React, 96% of sites with element box growth layout shift causes have a good CLS, against 96% of React sites with sibling displacement. Within React, sites with element box growth and sibling displacement have a good CLS about equally often.
The State of Web Vitals · October 2026 · Wix: 5,621 crawled sites · 728 with desktop field data · 1,024 sites with layout shift causesBy Arjen Karel · corewebvitals.io/state-of-cwv