JS libraries impact: 20 providers ranked | The State of Web Vitals 2026

LCP INP CLS

At a glance the headline numbers for JS libraries impact

Performance impact by framework provider.

Providers ranked

After min-sites filter

142,710

Sites in sample

Combined across all items

0.03

Best CLS (p75)

Turbo/Hotwire

The State of Web Vitals · Q1 2026 · 94,910 sites · desktop field datacorewebvitals.io/state-of-cwv

The ranking sorted by CLS at p75, fastest first

#	Provider	CLS p75	Passing	Sites
1	Turbo/Hotwire	0.03	92.6%	258
2	Flickity	0.07	81.7%	2,891
3	Stimulus/Hotwire	0.08	83.8%	1,536
4	GSAP	0.08	81.8%	2,573
5	jQuery	0.09	77.9%	67,906
6	Swiper	0.09	78.5%	15,692
7	Next.js	0.10	75.1%	2,085
8	Lazysizes	0.10	76.1%	6,844
9	Lit	0.11	73.6%	5,243
10	Ionic	0.12	68.4%	116
11	Lodash	0.12	72.4%	13,200
12	Slick Carousel	0.12	72.1%	7,462
13	Moment.js	0.12	71.9%	4,065
14	Vue.js	0.12	71.9%	5,677
15	Backbone.js	0.13	72.0%	818
16	Owl Carousel	0.13	68.8%	4,359
17	Ember.js	0.15	71.8%	67
18	Nuxt	0.16	65.3%	647
19	React	0.19	58.6%	235
20	Angular	0.33	43.9%	1,036

The State of Web Vitals · Q1 2026 · 94,910 sites · desktop field datacorewebvitals.io/state-of-cwv

Passing CLS per provider which group passes the CLS most often

ProviderSitesPassing CLSp75

Marko 0% 12 100% 0.01

Turbo/Hotwire 0.3% 258 93% 0.03

Stimulus/Hotwire 1.6% 1,536 84% 0.08

GSAP 2.7% 2,573 82% 0.08

Flickity 3% 2,891 82% 0.07

Polyfill.io 0% 46 79% 0.09

Swiper 16.5% 15,692 79% 0.09

jQuery 71.5% 67,906 78% 0.09

lazysizes 7.2% 6,844 76% 0.10

Next.js 2.2% 2,085 75% 0.10

Lit 5.5% 5,243 74% 0.11

Lodash 13.9% 13,200 72% 0.12

Slick Carousel 7.9% 7,462 72% 0.12

Backbone.js 0.9% 818 72% 0.13

Moment.js 4.3% 4,065 72% 0.12

Vue.js 6% 5,677 72% 0.12

Ember.js 0.1% 67 72% 0.15

Owl Carousel 4.6% 4,359 69% 0.13

Ionic 0.1% 116 68% 0.12

Nuxt.js 0.7% 647 65% 0.16

React 0.2% 235 59% 0.19

Angular 1.1% 1,036 44% 0.33

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

93% of Turbo/Hotwire sites pass CLS. Angular trails 49 points behind, leaving 56% of its sites failing. computed

The State of Web Vitals · Q1 2026 · 94,910 sites · desktop field datacorewebvitals.io/state-of-cwv

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.

Turbo/Hotwire leads on CLS: 93% of its sites pass. Angular trails at 44%. 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