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

304,284

Sites in sample

Combined across all items

0.02

Best CLS (p75)

Turbo/Hotwire

The State of Web Vitals · October 2026 · 212,308 crawled sites · all devices field datacorewebvitals.io/state-of-cwv

The ranking sorted by CLS at p75, fastest first

#	Provider	CLS p75	Passing	Sites
1	Turbo/Hotwire	0.02	95.1%	587
2	Polyfill.io	0.02	84.4%	98
3	Flickity	0.03	90.2%	6,149
4	Lodash	0.04	86.5%	28,220
5	GSAP	0.04	89.3%	5,561
6	jQuery	0.04	88.4%	144,338
7	Stimulus/Hotwire	0.04	90.8%	3,426
8	Swiper	0.04	88.2%	33,388
9	Slick Carousel	0.05	84.8%	15,967
10	Lazysizes	0.05	86.6%	14,401
11	Ember.js	0.06	79.2%	131
12	Moment.js	0.06	82.5%	8,583
13	Lit	0.06	83.4%	11,540
14	Vue.js	0.06	83.4%	12,199
15	Backbone.js	0.07	82.0%	1,708
16	Owl Carousel	0.07	81.3%	9,111
17	Next.js	0.10	76.7%	4,632
18	Nuxt	0.14	69.5%	1,350
19	React	0.16	70.4%	497
20	Ionic	0.19	62.2%	246
21	Angular	0.29	50.3%	2,152

The State of Web Vitals · October 2026 · 212,308 crawled sites · all devices field datacorewebvitals.io/state-of-cwv

Passing CLS per provider which group passes the CLS most often

ProviderSitesPassing CLSp75

Turbo/Hotwire 0.3% 587 95% 0.02

Stimulus/Hotwire 1.6% 3,426 91% 0.04

Flickity 2.9% 6,149 90% 0.03

GSAP 2.6% 5,561 89% 0.04

jQuery 68% 144,338 88% 0.04

Swiper 15.7% 33,388 88% 0.04

lazysizes 6.8% 14,401 87% 0.05

Lodash 13.3% 28,220 87% 0.04

Marko 0% 20 85% 0.10

Polymer 0% 20 85% 0.01

Slick Carousel 7.5% 15,967 85% 0.05

Polyfill.io 0% 98 84% 0.02

Vue.js 5.7% 12,199 83% 0.06

Lit 5.4% 11,540 83% 0.06

Moment.js 4% 8,583 83% 0.06

Backbone.js 0.8% 1,708 82% 0.07

Owl Carousel 4.3% 9,111 81% 0.07

Ember.js 0.1% 131 79% 0.06

Next.js 2.2% 4,632 77% 0.10

React 0.2% 497 70% 0.16

Nuxt.js 0.6% 1,350 70% 0.14

Ionic 0.1% 246 62% 0.19

Angular 1% 2,152 50% 0.29

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 45 points behind, leaving 50% of its sites failing. computed

The State of Web Vitals · October 2026 · 212,308 crawled sites · all devices 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%

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.

Turbo/Hotwire leads on CLS: 95% of its sites pass. Angular trails at 50%. 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