JS libraries impact

Performance impact by framework provider.

Field data PhoneDesktopAll Scope All sites October 2026 edition · All devices field outcomes
Metric LCP INP CLS
1

At a glance the headline numbers for JS libraries impact

Performance impact by framework provider.

21
Providers ranked
After min-sites filter
304,284
Sites in sample
Combined across all items
104ms
Best INP (p75)
jQuery
The State of Web Vitals · October 2026 · 212,308 crawled sites · all devices field datacorewebvitals.io/state-of-cwv
2

The ranking sorted by INP at p75, fastest first

# Provider INP p75 Passing Sites
1 jQuery 104ms 96.7%
144,338
2 Stimulus/Hotwire 104ms 98.0%
3,426
3 Owl Carousel 105ms 97.4%
9,111
4 Lodash 106ms 95.5%
28,220
5 GSAP 106ms 98.4%
5,561
6 Slick Carousel 108ms 96.3%
15,967
7 Polyfill.io 111ms 98.7%
98
8 Swiper 112ms 96.6%
33,388
9 Backbone.js 112ms 95.9%
1,708
10 Lazysizes 113ms 95.6%
14,401
11 Flickity 113ms 97.6%
6,149
12 Moment.js 119ms 94.7%
8,583
13 Lit 120ms 93.5%
11,540
14 Vue.js 127ms 95.1%
12,199
15 Ember.js 130ms 90.7%
131
16 Turbo/Hotwire 136ms 94.4%
587
17 Nuxt 158ms 88.3%
1,350
18 Ionic 165ms 87.6%
246
19 Angular 175ms 84.5%
2,152
20 Next.js 187ms 78.5%
4,632
21 React 196ms 75.4%
497
The State of Web Vitals · October 2026 · 212,308 crawled sites · all devices field datacorewebvitals.io/state-of-cwv
3

Passing INP per provider which group passes the INP most often

ProviderSitesPassing INPp75
Marko 0% 20 100% 123ms
Polyfill.io 0% 98 99% 111ms
GSAP 2.6% 5,561 98% 106ms
Stimulus/Hotwire 1.6% 3,426 98% 104ms
Flickity 2.9% 6,149 98% 113ms
Owl Carousel 4.3% 9,111 97% 105ms
jQuery 68% 144,338 97% 104ms
Swiper 15.7% 33,388 97% 112ms
Slick Carousel 7.5% 15,967 96% 108ms
Backbone.js 0.8% 1,708 96% 112ms
lazysizes 6.8% 14,401 96% 113ms
Lodash 13.3% 28,220 96% 106ms
Vue.js 5.7% 12,199 95% 127ms
Moment.js 4% 8,583 95% 119ms
Turbo/Hotwire 0.3% 587 94% 136ms
Lit 5.4% 11,540 94% 120ms
Ember.js 0.1% 131 91% 130ms
Nuxt.js 0.6% 1,350 88% 158ms
Ionic 0.1% 246 88% 165ms
Angular 1% 2,152 85% 175ms
Polymer 0% 20 84% 86ms
Next.js 2.2% 4,632 79% 187ms
React 0.2% 497 75% 196ms
Good Needs Improvement Poor Sorted best-passing first · median colored by its own rating · pass = good INP (200ms at p75) · one value per site

98% of GSAP sites pass INP. React trails 23 points behind. computed

The State of Web Vitals · October 2026 · 212,308 crawled sites · 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
jQuery 68%
812.3s
97104ms
880.04
731.9s
511.4s
Swiper 15.7%
742.5s
97112ms
880.04
672.1s
451.6s
Lodash 13.3%
792.3s
96106ms
870.04
731.9s
581.3s
Slick Carousel 7.5%
822.2s
96108ms
850.05
761.8s
541.3s
lazysizes 6.8%
792.4s
96113ms
870.05
721.9s
501.4s
Vue.js 5.7%
762.4s
95127ms
830.06
712.0s
521.4s
Lit 5.4%
772.4s
94120ms
830.06
721.9s
571.3s
Owl Carousel 4.3%
802.3s
97105ms
810.07
741.8s
501.3s
Moment.js 4%
752.5s
95119ms
830.06
682.0s
511.5s
Flickity 2.9%
792.3s
98113ms
900.03
721.9s
541.4s
GSAP 2.6%
732.6s
98106ms
890.04
662.1s
441.6s
Next.js 2.2%
832.2s
79187ms
770.10
821.6s
74822ms
Stimulus/Hotwire 1.6%
902.0s
98104ms
910.04
871.5s
82712ms
Angular 1%
633.0s
85175ms
500.29
692.0s
80694ms
Backbone.js 0.8%
692.7s
96112ms
820.07
602.2s
411.6s
Nuxt.js 0.6%
722.6s
88158ms
700.14
731.9s
631.0s
Turbo/Hotwire 0.3%
951.7s
94136ms
950.02
891.4s
73818ms
React 0.2%
802.4s
75196ms
700.16
761.8s
491.2s
Ionic 0.1%
493.6s
88165ms
620.19
482.7s
67955ms
Ember.js 0.1%
752.4s
91130ms
790.06
682.0s
661.1s
Polyfill.io 0%
812.2s
99111ms
840.02
751.8s
641.1s
Marko 0%
603.5s
100123ms
850.10
303.0s
02.7s
Polymer 0%
951.4s
8486ms
850.01
901.2s
85759ms
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.

Flickity leads on INP: 98% of its sites pass. React trails at 75%. computed

The State of Web Vitals · October 2026 · 212,308 crawled sites · all devices field datacorewebvitals.io/state-of-cwv
Related signals A/B testing (12) → Personalization (6) → E-commerce (17) → CDN (16) → 212,308 crawled sites with Chrome field data, representing millions of real page loads · How we measured