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
1.6s
Best LCP (p75)
Lodash
The State of Web Vitals · October 2026 · Wix sites (5,623) · phone field datacorewebvitals.io/state-of-cwv
2
The ranking sorted by LCP at p75, fastest first
| # | Provider | LCP p75 | Passing | Sites | |
|---|---|---|---|---|---|
| 1 | Lodash | 1.6s | 94.2% | 5,621 | |
| 2 | jQuery | 1.9s | 79.3% | 59 | |
| 3 | Swiper | 2.1s | 88.1% | 321 |
The State of Web Vitals · October 2026 · Wix sites (5,623) · phone field datacorewebvitals.io/state-of-cwv
3
Passing LCP per provider which group passes the LCP most often
ProviderSitesPassing LCPp75
Moment.js 0.1% 6 1.7s
Lodash 100% 5,621 1.6s
Vue.js 0.2% 13 1.2s
Swiper 5.7% 321 2.1s
Lit 0.2% 10 1.9s
jQuery 1% 59 1.9s
Good Needs Improvement Poor Sorted best-passing first · median colored by its own rating · pass = good LCP (2.5s at p75) · one value per site
94% of Lodash sites pass LCP. Swiper trails 6 points behind. computed
The State of Web Vitals · October 2026 · Wix sites (5,623) · phone 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
9696ms
970.00
931.1s
86586ms
Swiper 5.7%
882.1s
92109ms
990.00
771.7s
631.3s
jQuery 1%
791.9s
83142ms
930.01
801.5s
74779ms
Vue.js 0.2%
911.2s
10089ms
1000.00
100938ms
100449ms
Lit 0.2%
801.9s
10093ms
1000.01
801.8s
601.4s
Moment.js 0.1%
1001.7s
10093ms
1000.00
1001.2s
75677ms
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 LCP: 94% of its sites pass. Swiper trails at 88%. computed
The State of Web Vitals · October 2026 · Wix sites (5,623) · phone 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.