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

0.03

Best CLS (p75)

Turbo/Hotwire

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

The ranking sorted by CLS at p75, fastest first

#	Provider	CLS p75	Passing	Sites
1	Turbo/Hotwire	0.03	91.8%	521
2	Stimulus/Hotwire	0.07	84.6%	3,023
3	Ember.js	0.07	76.6%	115
4	Polyfill.io	0.07	80.0%	88
5	GSAP	0.08	80.2%	4,923
6	Flickity	0.08	80.9%	5,515
7	jQuery	0.09	77.4%	129,494
8	Swiper	0.09	78.4%	29,837
9	Lazysizes	0.10	75.9%	12,992
10	Next.js	0.11	74.8%	3,974
11	Lit	0.11	73.1%	10,274
12	Lodash	0.12	72.4%	25,426
13	Slick Carousel	0.12	71.7%	14,391
14	Moment.js	0.12	72.0%	7,680
15	Vue.js	0.12	71.2%	10,740
16	Backbone.js	0.13	70.1%	1,540
17	Owl Carousel	0.14	67.8%	8,214
18	Nuxt	0.15	65.7%	1,199
19	Ionic	0.17	64.5%	227
20	React	0.19	58.2%	449
21	Angular	0.31	45.8%	1,908

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

Passing CLS per provider which group passes the CLS most often

ProviderSitesPassing CLSp75

Solid 0% 3 100% 0.07

Qwik 0% 2 100% 0.00

Turbo/Hotwire 0.3% 521 92% 0.03

Stimulus/Hotwire 1.6% 3,023 85% 0.07

Marko 0% 20 83% 0.03

Flickity 2.9% 5,515 81% 0.08

GSAP 2.6% 4,923 80% 0.08

Polyfill.io 0% 88 80% 0.07

Swiper 15.7% 29,837 78% 0.09

jQuery 68.1% 129,494 77% 0.09

Ember.js 0.1% 115 77% 0.07

lazysizes 6.8% 12,992 76% 0.10

Next.js 2.1% 3,974 75% 0.11

Lit 5.4% 10,274 73% 0.11

Lodash 13.4% 25,426 72% 0.12

Moment.js 4% 7,680 72% 0.12

Slick Carousel 7.6% 14,391 72% 0.12

Vue.js 5.6% 10,740 71% 0.12

Backbone.js 0.8% 1,540 70% 0.13

Owl Carousel 4.3% 8,214 68% 0.14

Nuxt.js 0.6% 1,199 66% 0.15

Ionic 0.1% 227 64% 0.17

React 0.2% 449 58% 0.19

Angular 1% 1,908 46% 0.31

Polymer 0% 17 43% 0.14

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

92% of Turbo/Hotwire sites pass CLS. Angular trails 46 points behind, leaving 54% of its sites failing. computed

The State of Web Vitals · Q2 2026 · 189,915 sites · desktop 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%

852.0s

9964ms

720.12

811.6s

561.2s

Moment.js 4%

802.3s

9967ms

720.12

751.8s

561.3s

Next.js 2.1%

872.0s

96104ms

750.11

881.4s

76781ms

Flickity 2.9%

872.0s

10068ms

810.08

831.5s

651.1s

Vue.js 5.6%

832.1s

9976ms

710.12

801.6s

611.1s

Stimulus/Hotwire 1.6%

941.8s

9968ms

850.07

921.3s

80724ms

React 0.2%

762.4s

9493ms

580.19

781.7s

631.1s

GSAP 2.6%

802.3s

10065ms

800.08

761.8s

521.4s

Turbo/Hotwire 0.3%

951.6s

9979ms

920.03

911.3s

78750ms

Lit 5.4%

832.1s

9974ms

730.11

811.6s

631.1s

Ionic 0.1%

682.8s

94127ms

640.17

622.0s

701.0s

Ember.js 0.1%

842.0s

9779ms

770.07

781.6s

68945ms

Polyfill.io 0%

722.7s

10074ms

800.07

681.9s

541.1s

Polymer 0%

712.9s

43361ms

430.14

712.7s

86732ms

Solid 0%

1001.8s

100101ms

1000.07

1001.3s

0926ms

Swiper 15.7%

812.2s

9967ms

780.09

761.8s

521.4s

jQuery 68.1%

852.0s

9962ms

770.09

801.6s

571.2s

Lodash 13.4%

772.4s

9869ms

720.12

721.9s

511.5s

lazysizes 6.8%

852.1s

9966ms

760.10

811.6s

571.2s

Owl Carousel 4.3%

842.1s

9962ms

680.14

791.7s

511.3s

Nuxt.js 0.6%

782.4s

9799ms

660.15

781.7s

65993ms

Angular 1%

712.6s

96115ms

460.31

791.7s

84571ms

Backbone.js 0.8%

732.6s

9968ms

700.13

682.0s

461.5s

Marko 0%

832.3s

10076ms

830.03

562.1s

01.7s

Qwik 0%

100837ms

10025ms

1000.00

100789ms

100319ms

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: 92% of its sites pass. Angular trails at 46%. computed

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