1
At a glance the headline numbers for JS libraries impact
Performance impact by framework provider.
20
Providers ranked
After min-sites filter
142,710
Sites in sample
Combined across all items
62ms
Best INP (p75)
jQuery
The State of Web Vitals · Q1 2026 · 94,910 sites · desktop field datacorewebvitals.io/state-of-cwv
2
The ranking sorted by INP at p75, fastest first
| # | Provider | INP p75 | Passing | Sites | |
|---|---|---|---|---|---|
| 1 | jQuery | 62ms | 99.4% | 67,906 | |
| 2 | Owl Carousel | 62ms | 99.4% | 4,359 | |
| 3 | Slick Carousel | 64ms | 99.1% | 7,462 | |
| 4 | GSAP | 65ms | 99.5% | 2,573 | |
| 5 | Moment.js | 66ms | 99.1% | 4,065 | |
| 6 | Lazysizes | 67ms | 99.3% | 6,844 | |
| 7 | Flickity | 67ms | 99.6% | 2,891 | |
| 8 | Swiper | 67ms | 99.2% | 15,692 | |
| 9 | Backbone.js | 67ms | 98.9% | 818 | |
| 10 | Lodash | 69ms | 98.1% | 13,200 | |
| 11 | Stimulus/Hotwire | 69ms | 99.3% | 1,536 | |
| 12 | Lit | 75ms | 98.6% | 5,243 | |
| 13 | Vue.js | 76ms | 99.0% | 5,677 | |
| 14 | Turbo/Hotwire | 80ms | 99.1% | 258 | |
| 15 | Ember.js | 82ms | 97.3% | 67 | |
| 16 | Nuxt | 100ms | 98.3% | 647 | |
| 17 | Ionic | 106ms | 94.3% | 116 | |
| 18 | Next.js | 106ms | 95.1% | 2,085 | |
| 19 | Angular | 111ms | 97.1% | 1,036 | |
| 20 | React | 111ms | 90.9% | 235 |
The State of Web Vitals · Q1 2026 · 94,910 sites · desktop field datacorewebvitals.io/state-of-cwv
3
Passing INP per provider which group passes the INP most often
ProviderSitesPassing INPp75
Marko 0% 12 71ms
Polyfill.io 0% 46 74ms
Flickity 3% 2,891 67ms
GSAP 2.7% 2,573 65ms
Owl Carousel 4.6% 4,359 62ms
jQuery 71.5% 67,906 62ms
Stimulus/Hotwire 1.6% 1,536 69ms
lazysizes 7.2% 6,844 67ms
Swiper 16.5% 15,692 67ms
Moment.js 4.3% 4,065 66ms
Slick Carousel 7.9% 7,462 64ms
Turbo/Hotwire 0.3% 258 80ms
Vue.js 6% 5,677 76ms
Backbone.js 0.9% 818 67ms
Lit 5.5% 5,243 75ms
Nuxt.js 0.7% 647 100ms
Lodash 13.9% 13,200 69ms
Ember.js 0.1% 67 82ms
Angular 1.1% 1,036 111ms
Next.js 2.2% 2,085 106ms
Ionic 0.1% 116 106ms
React 0.2% 235 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
100% of Flickity sites pass INP. React trails 9 points behind. computed
The State of Web Vitals · Q1 2026 · 94,910 sites · 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
jQuery 71.5%
852.0s
9962ms
780.09
801.6s
571.2s
Swiper 16.5%
822.2s
9967ms
790.09
771.7s
521.4s
Lodash 13.9%
782.4s
9869ms
720.12
731.9s
511.4s
Slick Carousel 7.9%
862.0s
9964ms
720.12
811.6s
551.2s
lazysizes 7.2%
862.1s
9967ms
760.10
811.6s
571.2s
Vue.js 6%
832.1s
9976ms
720.12
811.6s
611.1s
Lit 5.5%
842.1s
9975ms
740.11
811.6s
641.0s
Owl Carousel 4.6%
842.1s
9962ms
690.13
801.6s
521.3s
Moment.js 4.3%
802.2s
9966ms
720.12
761.7s
571.3s
Flickity 3%
882.0s
10067ms
820.07
841.5s
651.1s
GSAP 2.7%
792.3s
10065ms
820.08
761.7s
521.4s
Next.js 2.2%
862.0s
95106ms
750.10
881.4s
76773ms
Stimulus/Hotwire 1.6%
941.8s
9969ms
840.08
921.3s
81706ms
Angular 1.1%
702.7s
97111ms
440.33
791.7s
85539ms
Backbone.js 0.9%
742.5s
9967ms
720.13
682.0s
461.5s
Nuxt.js 0.7%
762.5s
98100ms
650.16
781.7s
641.0s
Turbo/Hotwire 0.3%
961.4s
9980ms
930.03
931.1s
83692ms
React 0.2%
812.1s
91111ms
590.19
841.6s
651.1s
Ionic 0.1%
613.1s
94106ms
680.12
582.2s
671.3s
Ember.js 0.1%
802.3s
9782ms
720.15
731.9s
68945ms
Polyfill.io 0%
782.1s
10074ms
790.09
841.4s
69889ms
Marko 0%
912.2s
10071ms
1000.01
551.9s
01.5s
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: 100% of its sites pass. React trails at 91%. computed
The State of Web Vitals · Q1 2026 · 94,910 sites · desktop field datacorewebvitals.io/state-of-cwv
Related signals A/B testing (10) → Personalization (5) → E-commerce (14) → CDN (15) → Chrome field data from 94,910 sites, representing millions of real page loads · How we measured
Chrome field data from 94,910 sites, representing millions of real page loads. How we measured.