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

272,530

Sites in sample

Combined across all items

1.7s

Best LCP (p75)

Turbo/Hotwire

The State of Web Vitals · Q2 2026 · 189,915 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	1.7s	94.6%	521
2	Stimulus/Hotwire	2.0s	89.7%	3,023
3	Slick Carousel	2.2s	82.0%	14,391
4	Next.js	2.2s	82.1%	3,974
5	Polyfill.io	2.2s	78.8%	88
6	jQuery	2.3s	80.7%	129,494
7	Owl Carousel	2.3s	79.9%	8,214
8	Ember.js	2.3s	77.1%	115
9	Flickity	2.3s	79.4%	5,515
10	Lodash	2.3s	78.4%	25,426
11	Lazysizes	2.4s	78.9%	12,992
12	React	2.4s	79.7%	449
13	Lit	2.4s	76.5%	10,274
14	Vue.js	2.4s	76.3%	10,740
15	Moment.js	2.5s	74.6%	7,680
16	Swiper	2.5s	74.0%	29,837
17	Nuxt	2.6s	72.4%	1,199
18	GSAP	2.6s	72.4%	4,923
19	Backbone.js	2.7s	69.0%	1,540
20	Angular	3.0s	62.2%	1,908
21	Ionic	3.7s	49.1%	227

The State of Web Vitals · Q2 2026 · 189,915 sites · all devices field datacorewebvitals.io/state-of-cwv

Passing LCP per provider which group passes the LCP most often

ProviderSitesPassing LCPp75

Solid 0% 3 100% 2.2s

Qwik 0% 2 100% 1.2s

Turbo/Hotwire 0.3% 521 95% 1.7s

Polymer 0% 17 94% 1.5s

Stimulus/Hotwire 1.6% 3,023 90% 2.0s

Next.js 2.1% 3,974 82% 2.2s

Slick Carousel 7.6% 14,391 82% 2.2s

jQuery 68.1% 129,494 81% 2.3s

Owl Carousel 4.3% 8,214 80% 2.3s

React 0.2% 449 80% 2.4s

Flickity 2.9% 5,515 79% 2.3s

lazysizes 6.8% 12,992 79% 2.4s

Polyfill.io 0% 88 79% 2.2s

Lodash 13.4% 25,426 78% 2.3s

Ember.js 0.1% 115 77% 2.3s

Lit 5.4% 10,274 76% 2.4s

Vue.js 5.6% 10,740 76% 2.4s

Moment.js 4% 7,680 75% 2.5s

Swiper 15.7% 29,837 74% 2.5s

GSAP 2.6% 4,923 72% 2.6s

Nuxt.js 0.6% 1,199 72% 2.6s

Backbone.js 0.8% 1,540 69% 2.7s

Angular 1% 1,908 62% 3.0s

Marko 0% 20 60% 3.4s

Ionic 0.1% 227 49% 3.7s

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 46 points behind, leaving 51% of its sites failing. computed

The State of Web Vitals · Q2 2026 · 189,915 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

Slick Carousel 7.6%

822.2s

96108ms

850.05

761.8s

541.3s

Moment.js 4%

752.5s

95119ms

820.06

682.0s

511.4s

Next.js 2.1%

822.2s

78188ms

760.10

821.6s

73829ms

Flickity 2.9%

792.3s

98113ms

900.03

721.9s

541.4s

Vue.js 5.6%

762.4s

95127ms

830.06

711.9s

521.4s

Stimulus/Hotwire 1.6%

902.0s

98104ms

910.04

861.5s

82714ms

React 0.2%

802.4s

75203ms

700.16

751.8s

481.2s

GSAP 2.6%

722.6s

98106ms

890.04

662.1s

441.6s

Turbo/Hotwire 0.3%

951.7s

95136ms

950.02

881.4s

74808ms

Lit 5.4%

762.4s

94120ms

830.06

721.9s

571.3s

Ionic 0.1%

493.7s

86170ms

610.20

472.7s

67955ms

Ember.js 0.1%

772.3s

89130ms

780.09

711.9s

67981ms

Polyfill.io 0%

792.2s

99109ms

850.02

721.9s

611.1s

Polymer 0%

941.5s

8188ms

820.01

881.3s

82758ms

Solid 0%

1002.2s

50236ms

1000.07

1001.7s

671.1s

Swiper 15.7%

742.5s

97112ms

880.04

672.1s

451.6s

jQuery 68.1%

812.3s

97104ms

880.04

731.9s

511.4s

Lodash 13.4%

782.3s

95106ms

860.04

731.9s

581.3s

lazysizes 6.8%

792.4s

96113ms

870.05

721.9s

501.4s

Owl Carousel 4.3%

802.3s

97105ms

810.07

741.8s

501.3s

Nuxt.js 0.6%

722.6s

89155ms

690.14

731.9s

631.0s

Angular 1%

623.0s

85174ms

500.30

692.0s

80689ms

Backbone.js 0.8%

692.7s

96112ms

820.07

612.2s

411.6s

Marko 0%

603.4s

100122ms

850.10

302.9s

02.6s

Qwik 0%

1001.2s

10059ms

1000.05

1001.1s

100353ms

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 49%. computed

The State of Web Vitals · Q2 2026 · 189,915 sites · all devices field datacorewebvitals.io/state-of-cwv

Related signals A/B testing (12) → Personalization (6) → E-commerce (16) → CDN (16) → Chrome field data from 189,915 sites, representing millions of real page loads · How we measured