JS libraries impact Wix sites

Performance impact by framework provider.

Field data PhoneDesktopAll Scope All sites October 2026 edition · All devices field outcomes · Wix sites only
Metric LCP INP CLS
Wix Scoped to 5,623 sites out of 203,892 analyzed (cms) Compare with all sites →
1

At a glance the headline numbers for JS libraries impact

Performance impact by framework provider.

3
Providers ranked
After min-sites filter
6,001
Sites in sample
Combined across all items
88ms
Best INP (p75)
Lodash
The State of Web Vitals · October 2026 · Wix sites (5,623) · all devices field datacorewebvitals.io/state-of-cwv
2

The ranking sorted by INP at p75, fastest first

# Provider INP p75 Passing Sites
1 Lodash 88ms 97.2%
5,621
2 Swiper 98ms 94.6%
321
3 jQuery 111ms 89.4%
59
The State of Web Vitals · October 2026 · Wix sites (5,623) · all devices field datacorewebvitals.io/state-of-cwv
3

Passing INP per provider which group passes the INP most often

ProviderSitesPassing INPp75
Vue.js 0.2% 13 100% 87ms
Lit 0.2% 10 100% 104ms
Moment.js 0.1% 6 100% 92ms
Lodash 100% 5,621 97% 88ms
Swiper 5.7% 321 95% 98ms
jQuery 1% 59 89% 111ms
Good Needs Improvement Poor Sorted best-passing first · median colored by its own rating · pass = good INP (200ms at p75) · one value per site

No provider stands out: pass rates sit between 95% and 97%. computed

The State of Web Vitals · October 2026 · Wix sites (5,623) · all devices field datacorewebvitals.io/state-of-cwv
4

All five vitals at once the whole category without toggling - cell is the pass rate, small number the p75

LCP
INP
CLS
FCP
TTFB
Lodash 100%
941.6s
9788ms
980.00
931.1s
81658ms
Swiper 5.7%
822.2s
9598ms
990.01
761.8s
531.7s
jQuery 1%
772.2s
89111ms
930.01
781.7s
671.4s
Vue.js 0.2%
921.3s
10087ms
1000.00
100896ms
100422ms
Lit 0.2%
892.0s
100104ms
1000.01
781.6s
671.4s
Moment.js 0.1%
831.9s
10092ms
1000.00
671.6s
671.2s
60%95%+ passing Cell: pass rate, small number = p75 · faded rows: under 100 sites

One row per provider, one column per vital - the cell is the share of sites passing, the small number the p75. No toggling needed to see where the category actually differs.

Lodash leads on INP: 97% of its sites pass. Swiper trails at 95%. computed

The State of Web Vitals · October 2026 · Wix sites (5,623) · all devices field datacorewebvitals.io/state-of-cwv
Related signals A/B testing (12) → Personalization (6) → E-commerce (17) → CDN (16) → 203,892 crawled sites with Chrome field data, representing millions of real page loads · How we measured