100.0% of Wix sites use ETag validators ETag cache validation, and 92% of those sites have a good LCP, against 92% of all Wix sites.
The State of Web Vitals · October 2026 · Wix: 5,621 crawled sites · 728 with desktop field dataBy Arjen Karel · corewebvitals.io/state-of-cwv
Sites with ETag validators ETag cache validation have a good LCP most often: 92%, against 92% of all Wix sites.
SitesGood, needs improvement, poor LCPMedian
All Wix sites72892%1.2s
ETag header present 100.0%72892%1.2s
GoodNeeds improvementPoorSites: with Chrome field data
The State of Web Vitals · October 2026 · Wix: 5,621 crawled sites · 728 with desktop field dataBy Arjen Karel · corewebvitals.io/state-of-cwv
2
ETag cache validation usage
ETag validators is the most used: 100.0% of Wix sites.
ETag header present 100.0%
ETag header present 100.0%
The State of Web Vitals · October 2026 · Wix: 5,621 crawled sites · 728 with desktop field dataBy Arjen Karel · corewebvitals.io/state-of-cwv
3
LCP phase breakdown for sites with and without ETag headers
Median LCP phase breakdown (Chrome field p75) Load delay Median LCP
All Wix sites 376343 ms478 ms259 ms137 ms478 mslab 462 ms1.2s
ETag header present 376343 ms478 ms259 ms137 ms478 mslab 462 ms1.2s
TTFB Resource load delay Resource load time Element render delay
The State of Web Vitals · October 2026 · Wix: 5,621 crawled sites · 728 with desktop field dataBy Arjen Karel · corewebvitals.io/state-of-cwv
4
ETag cache validation per framework
React sets the ETag cache validation to ETag validators on 100% of its sites, and 92% of React sites have a good LCP, against 92% of all sites.
FrameworkETag cache validation on its sitesGood LCP
All Wix sites 5,621 sitesETag header present 100%92%
React 5,620 sitesETag header present 100%92% ETag header present
The State of Web Vitals · October 2026 · Wix: 5,621 crawled sites · 728 with desktop field dataBy Arjen Karel · corewebvitals.io/state-of-cwv
5
ETag headers or the framework
Does the framework explain the ETag cache validation difference?
Almost every site with ETag validators ETag cache validation is a React site, and almost every React site has ETag validators ETag cache validation, so the data can't tell ETag validators ETag cache validation and React apart.
The State of Web Vitals · October 2026 · Wix: 5,621 crawled sites · 728 with desktop field dataBy Arjen Karel · corewebvitals.io/state-of-cwv