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

1.7s

Best LCP (p75)

Turbo/Hotwire

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

The ranking sorted by LCP at p75, fastest first

#	Provider	LCP p75	Passing	Sites
1	Turbo/Hotwire	1.7s	93.0%	258
2	Stimulus/Hotwire	2.1s	87.6%	1,536
3	Slick Carousel	2.2s	81.2%	7,462
4	jQuery	2.3s	80.5%	67,906
5	Flickity	2.3s	80.5%	2,891
6	Next.js	2.3s	79.6%	2,085
7	Owl Carousel	2.3s	79.9%	4,359
8	React	2.3s	80.7%	235
9	Lodash	2.3s	78.3%	13,200
10	Lazysizes	2.4s	78.9%	6,844
11	Vue.js	2.4s	77.0%	5,677
12	Moment.js	2.5s	75.7%	4,065
13	Swiper	2.5s	75.0%	15,692
14	Lit	2.5s	75.0%	5,243
15	GSAP	2.6s	72.2%	2,573
16	Nuxt	2.7s	70.1%	647
17	Ember.js	2.7s	71.1%	67
18	Backbone.js	2.9s	67.4%	818
19	Angular	3.1s	57.3%	1,036
20	Ionic	4.2s	36.3%	116

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

Passing LCP per provider which group passes the LCP most often

ProviderSitesPassing LCPp75

Turbo/Hotwire 0.3% 258 93% 1.7s

Polyfill.io 0% 46 93% 2.0s

Stimulus/Hotwire 1.6% 1,536 88% 2.1s

Slick Carousel 7.9% 7,462 81% 2.2s

React 0.2% 235 81% 2.3s

jQuery 71.5% 67,906 81% 2.3s

Flickity 3% 2,891 81% 2.3s

Owl Carousel 4.6% 4,359 80% 2.3s

Next.js 2.2% 2,085 80% 2.3s

lazysizes 7.2% 6,844 79% 2.4s

Lodash 13.9% 13,200 78% 2.3s

Vue.js 6% 5,677 77% 2.4s

Moment.js 4.3% 4,065 76% 2.5s

Swiper 16.5% 15,692 75% 2.5s

Lit 5.5% 5,243 75% 2.5s

GSAP 2.7% 2,573 72% 2.6s

Ember.js 0.1% 67 71% 2.7s

Nuxt.js 0.7% 647 70% 2.7s

Backbone.js 0.9% 818 67% 2.9s

Angular 1.1% 1,036 57% 3.1s

Marko 0% 12 55% 2.8s

Ionic 0.1% 116 36% 4.2s

Good Needs Improvement Poor Sorted best-passing first · median colored by its own rating · pass = good LCP (2.5s at p75) · one value per site

93% of Turbo/Hotwire sites pass LCP. Ionic trails 57 points behind, leaving 64% of its sites failing. computed

The State of Web Vitals · Q1 2026 · 94,910 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 71.5%

812.3s

95121ms

900.02

731.9s

521.3s

Swiper 16.5%

752.5s

94129ms

890.02

682.1s

471.5s

Lodash 13.9%

782.3s

93127ms

870.02

721.9s

601.2s

Slick Carousel 7.9%

812.2s

94128ms

870.03

751.8s

541.2s

lazysizes 7.2%

792.4s

93132ms

880.03

731.9s

531.3s

Vue.js 6%

772.4s

92145ms

840.04

711.9s

531.3s

Lit 5.5%

752.5s

90142ms

840.04

702.0s

571.2s

Owl Carousel 4.6%

802.3s

95120ms

840.05

741.8s

501.3s

Moment.js 4.3%

762.5s

91136ms

850.04

702.0s

531.3s

Flickity 3%

812.3s

96129ms

920.01

741.8s

581.2s

GSAP 2.7%

722.6s

97123ms

900.02

662.1s

451.6s

Next.js 2.2%

802.3s

71213ms

770.09

801.7s

71856ms

Stimulus/Hotwire 1.6%

882.1s

95122ms

910.02

841.5s

77768ms

Angular 1.1%

573.1s

75201ms

510.32

642.1s

81694ms

Backbone.js 0.9%

672.9s

92135ms

830.04

592.3s

411.6s

Nuxt.js 0.7%

702.7s

86169ms

730.12

691.9s

591.0s

Turbo/Hotwire 0.3%

931.7s

88159ms

940.01

871.3s

79770ms

React 0.2%

812.3s

73211ms

720.15

721.8s

471.3s

Ionic 0.1%

364.2s

76194ms

540.27

382.9s

70985ms

Ember.js 0.1%

712.7s

74189ms

690.17

652.1s

76779ms

Polyfill.io 0%

932.0s

96124ms

820.01

821.7s

681.0s

Marko 0%

552.8s

73198ms

1000.02

272.4s

91.8s

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 LCP: 93% of its sites pass. Ionic trails at 36%. computed

The State of Web Vitals · Q1 2026 · 94,910 sites · phone 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