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

1.6s

Best LCP (p75)

Turbo/Hotwire

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

The ranking sorted by LCP at p75, fastest first

#	Provider	LCP p75	Passing	Sites
1	Turbo/Hotwire	1.6s	95.2%	258
2	Stimulus/Hotwire	2.0s	89.4%	1,536
3	Slick Carousel	2.2s	82.3%	7,462
4	jQuery	2.2s	81.1%	67,906
5	Next.js	2.2s	81.5%	2,085
6	Owl Carousel	2.3s	80.2%	4,359
7	Flickity	2.3s	80.0%	2,891
8	Lodash	2.3s	78.8%	13,200
9	Lazysizes	2.3s	79.6%	6,844
10	React	2.3s	82.1%	235
11	Vue.js	2.4s	77.4%	5,677
12	Lit	2.4s	76.7%	5,243
13	Moment.js	2.5s	75.9%	4,065
14	Swiper	2.5s	74.9%	15,692
15	GSAP	2.6s	73.0%	2,573
16	Nuxt	2.6s	71.6%	647
17	Ember.js	2.7s	73.4%	67
18	Backbone.js	2.7s	70.5%	818
19	Angular	3.0s	60.8%	1,036
20	Ionic	3.8s	42.1%	116

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

Passing LCP per provider which group passes the LCP most often

ProviderSitesPassing LCPp75

Turbo/Hotwire 0.3% 258 95% 1.6s

Stimulus/Hotwire 1.6% 1,536 89% 2.0s

Slick Carousel 7.9% 7,462 82% 2.2s

Polyfill.io 0% 46 82% 2.2s

React 0.2% 235 82% 2.3s

Next.js 2.2% 2,085 82% 2.2s

jQuery 71.5% 67,906 81% 2.2s

Owl Carousel 4.6% 4,359 80% 2.3s

Flickity 3% 2,891 80% 2.3s

lazysizes 7.2% 6,844 80% 2.3s

Lodash 13.9% 13,200 79% 2.3s

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

Lit 5.5% 5,243 77% 2.4s

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

Swiper 16.5% 15,692 75% 2.5s

Ember.js 0.1% 67 73% 2.7s

GSAP 2.7% 2,573 73% 2.6s

Nuxt.js 0.7% 647 72% 2.6s

Backbone.js 0.9% 818 71% 2.7s

Marko 0% 12 67% 2.8s

Angular 1.1% 1,036 61% 3.0s

Ionic 0.1% 116 42% 3.8s

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

95% of Turbo/Hotwire sites pass LCP. Ionic trails 53 points behind, leaving 58% of its sites failing. computed

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

812.2s

97104ms

880.03

741.9s

521.4s

Swiper 16.5%

752.5s

97112ms

880.04

672.1s

451.6s

Lodash 13.9%

792.3s

96107ms

860.04

731.9s

581.3s

Slick Carousel 7.9%

822.2s

96108ms

850.05

761.8s

541.2s

lazysizes 7.2%

802.3s

96114ms

870.05

731.9s

501.4s

Vue.js 6%

772.4s

95128ms

830.06

711.9s

521.3s

Lit 5.5%

772.4s

93121ms

830.06

721.9s

571.2s

Owl Carousel 4.6%

802.3s

97105ms

810.07

741.8s

501.3s

Moment.js 4.3%

762.5s

95119ms

830.06

702.0s

521.4s

Flickity 3%

802.3s

98113ms

910.03

731.9s

541.4s

GSAP 2.7%

732.6s

98106ms

900.03

672.1s

441.6s

Next.js 2.2%

822.2s

78188ms

780.09

821.6s

74821ms

Stimulus/Hotwire 1.6%

892.0s

98105ms

910.04

861.5s

82712ms

Angular 1.1%

613.0s

86171ms

480.30

702.0s

81671ms

Backbone.js 0.9%

712.7s

97111ms

800.07

622.2s

431.6s

Nuxt.js 0.7%

722.6s

90155ms

690.14

731.9s

601.0s

Turbo/Hotwire 0.3%

951.6s

95136ms

960.01

891.3s

78763ms

React 0.2%

822.3s

75202ms

710.14

751.8s

481.2s

Ionic 0.1%

423.8s

82175ms

570.23

442.8s

681.0s

Ember.js 0.1%

732.7s

91130ms

720.14

682.0s

72874ms

Polyfill.io 0%

822.2s

97111ms

800.06

761.7s

631.1s

Marko 0%

672.8s

100123ms

1000.02

172.3s

02.0s

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: 95% of its sites pass. Ionic trails at 42%. computed

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