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

0.04

Best CLS (p75)

Turbo/Hotwire

The State of Web Vitals · October 2026 · 212,308 crawled 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	0.04	90.3%	587
2	Stimulus/Hotwire	0.07	84.8%	3,426
3	Polyfill.io	0.08	79.5%	98
4	GSAP	0.08	80.8%	5,561
5	Flickity	0.08	80.8%	6,149
6	Ember.js	0.09	76.0%	131
7	Swiper	0.09	78.5%	33,388
8	jQuery	0.09	77.5%	144,338
9	Lazysizes	0.10	76.1%	14,401
10	Next.js	0.10	75.2%	4,632
11	Lit	0.11	73.3%	11,540
12	Slick Carousel	0.12	71.7%	15,967
13	Lodash	0.12	72.5%	28,220
14	Vue.js	0.12	71.6%	12,199
15	Moment.js	0.12	72.2%	8,583
16	Backbone.js	0.13	70.6%	1,708
17	Owl Carousel	0.14	68.1%	9,111
18	Nuxt	0.16	64.7%	1,350
19	Ionic	0.17	64.1%	246
20	React	0.19	60.4%	497
21	Angular	0.30	46.3%	2,152

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

Passing CLS per provider which group passes the CLS most often

ProviderSitesPassing CLSp75

Turbo/Hotwire 0.3% 587 90% 0.04

Stimulus/Hotwire 1.6% 3,426 85% 0.07

Marko 0% 20 83% 0.03

Flickity 2.9% 6,149 81% 0.08

GSAP 2.6% 5,561 81% 0.08

Polyfill.io 0% 98 80% 0.08

Swiper 15.7% 33,388 79% 0.09

jQuery 68% 144,338 78% 0.09

lazysizes 6.8% 14,401 76% 0.10

Ember.js 0.1% 131 76% 0.09

Next.js 2.2% 4,632 75% 0.10

Lit 5.4% 11,540 73% 0.11

Lodash 13.3% 28,220 73% 0.12

Moment.js 4% 8,583 72% 0.12

Slick Carousel 7.5% 15,967 72% 0.12

Vue.js 5.7% 12,199 72% 0.12

Backbone.js 0.8% 1,708 71% 0.13

Owl Carousel 4.3% 9,111 68% 0.14

Nuxt.js 0.6% 1,350 65% 0.16

Ionic 0.1% 246 64% 0.17

React 0.2% 497 60% 0.19

Angular 1% 2,152 46% 0.30

Polymer 0% 20 43% 0.13

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

90% of Turbo/Hotwire sites pass CLS. Angular trails 44 points behind, leaving 54% of its sites failing. computed

The State of Web Vitals · October 2026 · 212,308 crawled 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

jQuery 68%

852.0s

9962ms

780.09

801.6s

571.2s

Swiper 15.7%

812.2s

9967ms

790.09

761.8s

521.4s

Lodash 13.3%

782.4s

9969ms

730.12

721.9s

511.5s

Slick Carousel 7.5%

862.0s

9964ms

720.12

811.6s

561.2s

lazysizes 6.8%

852.1s

9966ms

760.10

811.6s

571.2s

Vue.js 5.7%

832.2s

9978ms

720.12

801.6s

611.1s

Lit 5.4%

832.1s

9975ms

730.11

811.6s

631.1s

Owl Carousel 4.3%

842.1s

9963ms

680.14

791.7s

511.3s

Moment.js 4%

802.3s

9968ms

720.12

751.8s

561.3s

Flickity 2.9%

862.0s

10069ms

810.08

821.5s

651.1s

GSAP 2.6%

802.3s

10065ms

810.08

761.8s

521.4s

Next.js 2.2%

872.0s

96104ms

750.10

881.4s

76775ms

Stimulus/Hotwire 1.6%

941.8s

9968ms

850.07

921.3s

80714ms

Angular 1%

722.6s

96113ms

460.30

791.7s

84574ms

Backbone.js 0.8%

742.5s

9967ms

710.13

682.0s

451.5s

Nuxt.js 0.6%

772.4s

9798ms

650.16

781.7s

651.0s

Turbo/Hotwire 0.3%

961.6s

9980ms

900.04

911.3s

77778ms

React 0.2%

782.2s

9592ms

600.19

791.7s

641.1s

Ionic 0.1%

682.9s

94127ms

640.17

622.0s

691.0s

Ember.js 0.1%

842.2s

9783ms

760.09

761.7s

641.1s

Polyfill.io 0%

742.4s

10077ms

800.08

711.9s

581.0s

Marko 0%

832.3s

10076ms

830.03

562.1s

01.7s

Polymer 0%

712.3s

43320ms

430.13

711.9s

86725ms

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: 90% of its sites pass. Angular trails at 46%. computed

The State of Web Vitals · October 2026 · 212,308 crawled sites · desktop 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