Name: Long Animation Frame work on Wix sites (October 2026) - The State of Web Vitals
Creator: Arjen Karel

51.4% of Wix sites use under 80ms of LoAF work Long Animation Frame work, and 98% of those sites have a good INP, against 97% of all Wix sites.

The State of Web Vitals · October 2026 · Wix: 5,621 crawled sites · 5,333 with all devices field data · 3,884 sites with Long Animation Frame workBy Arjen Karel · corewebvitals.io/state-of-cwv

1

INP pass rate

Sites with under 80ms of LoAF work Long Animation Frame work have a good INP most often: 98%, against 97% of all Wix sites. Sites with over 250ms of LoAF work LoAF duration have it least often, at 95%.

SitesGood, needs improvement, poor INPMedian

All Wix sites5,33397%74ms

Under 80ms LoAF work 51.4%1,88998%72ms

80 to 130ms LoAF work 30.3%1,12997%77ms

130 to 250ms LoAF work 12.7%47096%81ms

Over 250ms LoAF work 5.6%20995%83ms

GoodNeeds improvementPoorSites: with Chrome field data

The State of Web Vitals · October 2026 · Wix: 5,621 crawled sites · 5,333 with all devices field data · 3,884 sites with Long Animation Frame workBy Arjen Karel · corewebvitals.io/state-of-cwv

2

Long Animation Frame work usage

Under 80ms of LoAF work is the most used: 51.4% of Wix sites.

Under 80ms LoAF work 51.4% 80 to 130ms LoAF work 30.3% 130 to 250ms LoAF work 12.7%

Under 80ms LoAF work 51.4% 80 to 130ms LoAF work 30.3% 130 to 250ms LoAF work 12.7% Over 250ms LoAF work 5.6%

The State of Web Vitals · October 2026 · Wix: 5,621 crawled sites · 5,333 with all devices field data · 3,884 sites with Long Animation Frame workBy Arjen Karel · corewebvitals.io/state-of-cwv

3

Long Animation Frame work per framework

React sets the Long Animation Frame work to under 80ms of LoAF work on 51% of its sites, and 97% of React sites have a good INP, against 97% of all sites.

FrameworkLong Animation Frame work on its sitesGood INP

Wix sites with Long Animation Frame work 3,884 sitesUnder 80ms LoAF work 51%80 to 130ms LoAF work 30%130 to 250ms LoAF work 13%97%

React 3,883 sitesUnder 80ms LoAF work 51%80 to 130ms LoAF work 30%130 to 250ms LoAF work 13%97%

Under 80ms LoAF work 80 to 130ms LoAF work 130 to 250ms LoAF work Over 250ms LoAF work

The State of Web Vitals · October 2026 · Wix: 5,621 crawled sites · 5,333 with all devices field data · 3,884 sites with Long Animation Frame workBy Arjen Karel · corewebvitals.io/state-of-cwv

4

Long Animation Frame work or the framework

Does the framework explain the Long Animation Frame work difference?

On React, 98% of sites with under 80ms of LoAF work Long Animation Frame work have a good INP, against 97% of React sites with 80 to 130ms of LoAF work. Within React, sites with under 80ms of LoAF work and 80 to 130ms of LoAF work have a good INP about equally often.

Why Long Animation Frames pinpoint real INP bottlenecks

Unlike classic Long Tasks, the Long Animation Frames API captures the full rendering update alongside script execution, exposing forced synchronous reflows and expensive style recalculations. Across 1,996 sites (51.4%) with under 80ms of LoAF work, 98% pass field INP at an 72ms median, compared with 95% (83ms median) on the 5.6% (218) exceeding 250ms.

The State of Web Vitals · October 2026 · Wix: 5,621 crawled sites · 5,333 with all devices field data · 3,884 sites with Long Animation Frame workBy Arjen Karel · corewebvitals.io/state-of-cwv

5

Understanding Long Animation Frame work

Eliminate synchronous layout reads after DOM writes (forced reflows) and break long script evaluation tasks into smaller chunks. Across all audited sites, 51.4% stay under 80ms of LoAF work (98% good INP, 72ms median) versus 5.6% above 250ms (95% good INP, 83ms median).

Go fix it HTML reflow and Core Web Vitals → The Long Animation Frames API → Yield to the main thread →

The State of Web Vitals · October 2026 · Wix: 5,621 crawled sites · 5,333 with all devices field data · 3,884 sites with Long Animation Frame workBy Arjen Karel · corewebvitals.io/state-of-cwv