JS libraries impact

Performance impact by framework provider.

Field data PhoneDesktopAll Scope All sites November 2026 edition · Phone 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
306,670
Sites in sample
Combined across all items
121ms
Best INP (p75)
jQuery
The State of Web Vitals · November 2026 · 213,971 crawled sites · phone field datacorewebvitals.io/state-of-cwv
2

The ranking sorted by INP at p75, fastest first

# Provider INP p75 Passing Sites
1 jQuery 121ms 94.5%
145,447
2 Owl Carousel 121ms 95.7%
9,176
3 Stimulus/Hotwire 121ms 95.5%
3,458
4 GSAP 123ms 96.7%
5,598
5 Lodash 126ms 92.8%
28,421
6 Slick Carousel 128ms 94.2%
16,073
7 Swiper 129ms 94.1%
33,641
8 Flickity 129ms 95.6%
6,203
9 Lazysizes 131ms 93.2%
14,519
10 Backbone.js 134ms 92.2%
1,720
11 Polyfill.io 135ms 93.3%
98
12 Moment.js 137ms 91.2%
8,647
13 Lit 142ms 89.9%
11,641
14 Vue.js 144ms 92.1%
12,318
15 Ember.js 163ms 78.8%
133
16 Turbo/Hotwire 163ms 89.9%
593
17 Nuxt 175ms 84.1%
1,364
18 Ionic 178ms 83.0%
251
19 Angular 201ms 74.6%
2,175
20 Next.js 214ms 71.3%
4,693
21 React 219ms 72.6%
501
The State of Web Vitals · November 2026 · 213,971 crawled sites · phone field datacorewebvitals.io/state-of-cwv
3

Passing INP per provider which group passes the INP most often

ProviderSitesPassing INPp75
GSAP 2.6% 5,598 97% 123ms
Owl Carousel 4.3% 9,176 96% 121ms
Flickity 2.9% 6,203 96% 129ms
Stimulus/Hotwire 1.6% 3,458 96% 121ms
jQuery 68% 145,447 95% 121ms
Slick Carousel 7.5% 16,073 94% 128ms
Swiper 15.7% 33,641 94% 129ms
Polyfill.io 0% 98 93% 135ms
lazysizes 6.8% 14,519 93% 131ms
Lodash 13.3% 28,421 93% 126ms
Backbone.js 0.8% 1,720 92% 134ms
Vue.js 5.8% 12,318 92% 144ms
Moment.js 4% 8,647 91% 137ms
Lit 5.4% 11,641 90% 142ms
Turbo/Hotwire 0.3% 593 90% 163ms
Marko 0% 20 84% 175ms
Nuxt.js 0.6% 1,364 84% 175ms
Ionic 0.1% 251 83% 178ms
Ember.js 0.1% 133 79% 163ms
Angular 1% 2,175 75% 201ms
React 0.2% 501 73% 219ms
Next.js 2.2% 4,693 71% 214ms
Polymer 0% 20 70% 382ms
Good Needs Improvement Poor Sorted best-passing first · median colored by its own rating · pass = good INP (200ms at p75) · one value per site

97% of GSAP sites pass INP. Next.js trails 26 points behind, leaving 29% of its sites failing. computed

The State of Web Vitals · November 2026 · 213,971 crawled sites · 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
jQuery 68%
802.3s
95121ms
900.02
721.9s
521.3s
Swiper 15.7%
742.5s
94129ms
890.02
672.1s
471.5s
Lodash 13.3%
782.3s
93126ms
870.02
721.9s
601.2s
Slick Carousel 7.5%
812.2s
94128ms
870.03
741.8s
531.2s
lazysizes 6.8%
792.4s
93131ms
880.03
721.9s
521.3s
Vue.js 5.8%
762.5s
92144ms
850.04
692.0s
531.3s
Lit 5.4%
752.5s
90142ms
850.04
692.0s
561.2s
Owl Carousel 4.3%
792.3s
96121ms
840.05
731.9s
501.3s
Moment.js 4%
752.5s
91137ms
850.04
692.0s
521.4s
Flickity 2.9%
802.3s
96129ms
910.01
731.9s
571.3s
GSAP 2.6%
722.6s
97123ms
900.02
652.1s
441.6s
Next.js 2.2%
802.3s
71214ms
760.10
801.7s
70873ms
Stimulus/Hotwire 1.6%
892.0s
96121ms
920.02
841.5s
77770ms
Angular 1%
603.1s
75201ms
530.32
642.1s
80708ms
Backbone.js 0.8%
682.8s
92134ms
840.04
582.3s
401.6s
Nuxt.js 0.6%
702.7s
84175ms
720.12
682.0s
611.0s
Turbo/Hotwire 0.3%
921.8s
90163ms
950.01
861.5s
69860ms
React 0.2%
792.4s
73219ms
690.18
751.8s
471.2s
Ionic 0.1%
423.9s
83178ms
570.24
362.8s
68979ms
Ember.js 0.1%
702.6s
79163ms
770.09
682.1s
641.2s
Polyfill.io 0%
842.2s
93135ms
850.01
751.8s
631.2s
Marko 0%
583.1s
84175ms
900.10
422.9s
112.3s
Polymer 0%
1001.9s
70382ms
730.11
911.2s
82743ms
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.

GSAP leads on INP: 97% of its sites pass. Next.js trails at 71%. computed

The State of Web Vitals · November 2026 · 213,971 crawled sites · phone field datacorewebvitals.io/state-of-cwv
Related signals A/B testing (12) → Personalization (6) → E-commerce (17) → CDN (16) → 213,971 crawled sites with Chrome field data, representing millions of real page loads · How we measured