JS libraries impact: 21 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

302,321

Sites in sample

Combined across all items

0.01

Best CLS (p75)

Turbo/Hotwire

The State of Web Vitals · October 2026 · 210,902 crawled sites · phone field datacorewebvitals.io/state-of-cwv

The ranking sorted by CLS at p75, fastest first

#	Provider	CLS p75	Passing	Sites
1	Turbo/Hotwire	0.01	95.1%	582
2	Flickity	0.01	91.4%	6,125
3	Polyfill.io	0.01	84.7%	98
4	Lodash	0.02	87.3%	28,044
5	GSAP	0.02	89.8%	5,528
6	jQuery	0.02	89.9%	143,386
7	Stimulus/Hotwire	0.02	92.2%	3,398
8	Swiper	0.02	89.3%	33,160
9	Slick Carousel	0.03	86.8%	15,879
10	Lazysizes	0.03	88.2%	14,311
11	Backbone.js	0.04	83.8%	1,699
12	Moment.js	0.04	85.0%	8,524
13	Lit	0.04	84.5%	11,449
14	Vue.js	0.04	84.7%	12,115
15	Owl Carousel	0.05	83.6%	9,067
16	Ember.js	0.09	76.4%	130
17	Next.js	0.10	75.5%	4,600
18	Nuxt	0.12	72.2%	1,348
19	React	0.18	69.1%	494
20	Ionic	0.24	57.3%	246
21	Angular	0.32	52.3%	2,138

The State of Web Vitals · October 2026 · 210,902 crawled sites · phone field datacorewebvitals.io/state-of-cwv

Passing CLS per provider which group passes the CLS most often

ProviderSitesPassing CLSp75

Turbo/Hotwire 0.3% 582 95% 0.01

Stimulus/Hotwire 1.6% 3,398 92% 0.02

Flickity 2.9% 6,125 91% 0.01

jQuery 68% 143,386 90% 0.02

GSAP 2.6% 5,528 90% 0.02

Marko 0% 20 90% 0.10

Swiper 15.7% 33,160 89% 0.02

lazysizes 6.8% 14,311 88% 0.03

Lodash 13.3% 28,044 87% 0.02

Slick Carousel 7.5% 15,879 87% 0.03

Moment.js 4% 8,524 85% 0.04

Vue.js 5.7% 12,115 85% 0.04

Polyfill.io 0% 98 85% 0.01

Lit 5.4% 11,449 85% 0.04

Backbone.js 0.8% 1,699 84% 0.04

Owl Carousel 4.3% 9,067 84% 0.05

Ember.js 0.1% 130 76% 0.09

Next.js 2.2% 4,600 76% 0.10

Polymer 0% 20 73% 0.11

Nuxt.js 0.6% 1,348 72% 0.12

React 0.2% 494 69% 0.18

Ionic 0.1% 246 57% 0.24

Angular 1% 2,138 52% 0.32

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

95% of Turbo/Hotwire sites pass CLS. Angular trails 43 points behind, leaving 48% of its sites failing. computed

The State of Web Vitals · October 2026 · 210,902 crawled sites · phone 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 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%

812.3s

94128ms

870.03

741.8s

531.2s

lazysizes 6.8%

792.4s

93131ms

880.03

721.9s

521.3s

Vue.js 5.7%

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

97122ms

900.02

652.1s

441.6s

Next.js 2.2%

802.3s

71214ms

760.10

801.7s

70872ms

Stimulus/Hotwire 1.6%

882.0s

95121ms

920.02

841.5s

77770ms

Angular 1%

603.1s

75201ms

520.32

642.1s

80706ms

Backbone.js 0.8%

682.8s

92133ms

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

72220ms

690.18

751.8s

471.2s

Ionic 0.1%

423.9s

83179ms

570.24

362.8s

68997ms

Ember.js 0.1%

712.6s

79165ms

760.09

692.1s

651.1s

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.

Turbo/Hotwire leads on CLS: 95% of its sites pass. Angular trails at 52%. computed

The State of Web Vitals · October 2026 · 210,902 crawled sites · phone field datacorewebvitals.io/state-of-cwv

Related signals A/B testing (12) → Personalization (6) → E-commerce (17) → CDN (16) → 210,902 crawled sites with Chrome field data, representing millions of real page loads · How we measured