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
0.02
Best CLS (p75)
Swiper
The State of Web Vitals · October 2026 · Wix sites (5,623) · desktop field datacorewebvitals.io/state-of-cwv
2
The ranking sorted by CLS at p75, fastest first
| # | Provider | CLS p75 | Passing | Sites | |
|---|---|---|---|---|---|
| 1 | Swiper | 0.02 | 91.5% | 321 | |
| 2 | Lodash | 0.02 | 95.7% | 5,621 | |
| 3 | jQuery | 0.03 | 88.9% | 59 |
The State of Web Vitals · October 2026 · Wix sites (5,623) · desktop field datacorewebvitals.io/state-of-cwv
3
Passing CLS per provider which group passes the CLS most often
ProviderSitesPassing CLSp75
Vue.js 0.2% 13 0.05
Lit 0.2% 10 0.02
Moment.js 0.1% 6 0.01
Lodash 100% 5,621 0.02
Swiper 5.7% 321 0.02
jQuery 1% 59 0.03
Good Needs Improvement Poor Sorted best-passing first · median colored by its own rating · pass = good CLS (0.1 at p75) · one value per site
No provider stands out: pass rates sit between 92% and 96%. computed
The State of Web Vitals · October 2026 · Wix sites (5,623) · desktop 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%
921.6s
10048ms
960.02
93814ms
72932ms
Swiper 5.7%
742.6s
10053ms
920.02
702.0s
272.1s
jQuery 1%
782.0s
10062ms
890.03
891.2s
431.3s
Vue.js 0.2%
502.2s
10058ms
1000.05
501.7s
501.8s
Lit 0.2%
1001.5s
10056ms
1000.02
100906ms
01.8s
Moment.js 0.1%
04.5s
10049ms
1000.01
100729ms
100362ms
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 CLS: 96% of its sites pass. Swiper trails at 92%. computed
The State of Web Vitals · October 2026 · Wix sites (5,623) · desktop 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
203,892 crawled sites with Chrome field data, representing millions of real page loads. How we measured.