1
At a glance the headline numbers for JS libraries impact
Performance impact by framework provider.
21
Providers ranked
After min-sites filter
302,321
Sites in sample
Combined across all items
1.8s
Best LCP (p75)
Turbo/Hotwire
The State of Web Vitals · October 2026 · 210,902 crawled sites · phone field datacorewebvitals.io/state-of-cwv
2
The ranking sorted by LCP at p75, fastest first
| # | Provider | LCP p75 | Passing | Sites | |
|---|---|---|---|---|---|
| 1 | Turbo/Hotwire | 1.8s | 92.2% | 582 | |
| 2 | Stimulus/Hotwire | 2.0s | 88.4% | 3,398 | |
| 3 | Polyfill.io | 2.2s | 84.2% | 98 | |
| 4 | Slick Carousel | 2.3s | 80.9% | 15,879 | |
| 5 | jQuery | 2.3s | 80.2% | 143,386 | |
| 6 | Flickity | 2.3s | 80.0% | 6,125 | |
| 7 | Next.js | 2.3s | 80.1% | 4,600 | |
| 8 | Owl Carousel | 2.3s | 79.4% | 9,067 | |
| 9 | Lodash | 2.3s | 78.2% | 28,044 | |
| 10 | Lazysizes | 2.4s | 78.9% | 14,311 | |
| 11 | React | 2.4s | 79.0% | 494 | |
| 12 | Vue.js | 2.5s | 75.5% | 12,115 | |
| 13 | Moment.js | 2.5s | 75.4% | 8,524 | |
| 14 | Lit | 2.5s | 74.7% | 11,449 | |
| 15 | Swiper | 2.5s | 74.1% | 33,160 | |
| 16 | Ember.js | 2.6s | 70.8% | 130 | |
| 17 | GSAP | 2.6s | 72.3% | 5,528 | |
| 18 | Nuxt | 2.7s | 69.6% | 1,348 | |
| 19 | Backbone.js | 2.8s | 67.5% | 1,699 | |
| 20 | Angular | 3.1s | 59.5% | 2,138 | |
| 21 | Ionic | 3.9s | 41.7% | 246 |
The State of Web Vitals · October 2026 · 210,902 crawled sites · phone field datacorewebvitals.io/state-of-cwv
3
Passing LCP per provider which group passes the LCP most often
ProviderSitesPassing LCPp75
Polymer 0% 20 1.9s
Turbo/Hotwire 0.3% 582 1.8s
Stimulus/Hotwire 1.6% 3,398 2.0s
Polyfill.io 0% 98 2.2s
Slick Carousel 7.5% 15,879 2.3s
jQuery 68% 143,386 2.3s
Next.js 2.2% 4,600 2.3s
Flickity 2.9% 6,125 2.3s
Owl Carousel 4.3% 9,067 2.3s
React 0.2% 494 2.4s
lazysizes 6.8% 14,311 2.4s
Lodash 13.3% 28,044 2.3s
Vue.js 5.7% 12,115 2.5s
Moment.js 4% 8,524 2.5s
Lit 5.4% 11,449 2.5s
Swiper 15.7% 33,160 2.5s
GSAP 2.6% 5,528 2.6s
Ember.js 0.1% 130 2.6s
Nuxt.js 0.6% 1,348 2.7s
Backbone.js 0.8% 1,699 2.8s
Angular 1% 2,138 3.1s
Marko 0% 20 3.1s
Ionic 0.1% 246 3.9s
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
92% of Turbo/Hotwire sites pass LCP. Ionic trails 50 points behind, leaving 58% of its sites failing. computed
The State of Web Vitals · October 2026 · 210,902 crawled sites · phone field datacorewebvitals.io/state-of-cwv
4
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%
802.3s
95121ms
900.02
721.9s
521.3s
Swiper 15.7%
742.5s
94129ms
890.02
672.1s
471.5s
Lodash 13.3%
782.3s
93126ms
870.02
721.9s
601.2s
Slick Carousel 7.5%
812.3s
94128ms
870.03
741.8s
531.2s
lazysizes 6.8%
792.4s
93131ms
880.03
721.9s
521.3s
Vue.js 5.7%
762.5s
92144ms
850.04
692.0s
531.3s
Lit 5.4%
752.5s
90142ms
850.04
692.0s
561.2s
Owl Carousel 4.3%
792.3s
96121ms
840.05
731.9s
501.3s
Moment.js 4%
752.5s
91137ms
850.04
692.0s
521.4s
Flickity 2.9%
802.3s
96129ms
910.01
731.9s
571.3s
GSAP 2.6%
722.6s
97122ms
900.02
652.1s
441.6s
Next.js 2.2%
802.3s
71214ms
760.10
801.7s
70872ms
Stimulus/Hotwire 1.6%
882.0s
95121ms
920.02
841.5s
77770ms
Angular 1%
603.1s
75201ms
520.32
642.1s
80706ms
Backbone.js 0.8%
682.8s
92133ms
840.04
582.3s
401.6s
Nuxt.js 0.6%
702.7s
84175ms
720.12
682.0s
611.0s
Turbo/Hotwire 0.3%
921.8s
90163ms
950.01
861.5s
69860ms
React 0.2%
792.4s
72220ms
690.18
751.8s
471.2s
Ionic 0.1%
423.9s
83179ms
570.24
362.8s
68997ms
Ember.js 0.1%
712.6s
79165ms
760.09
692.1s
651.1s
Polyfill.io 0%
842.2s
93135ms
850.01
751.8s
631.2s
Marko 0%
583.1s
84175ms
900.10
422.9s
112.3s
Polymer 0%
1001.9s
70382ms
730.11
911.2s
82743ms
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: 92% of its sites pass. Ionic trails at 42%. computed
The State of Web Vitals · October 2026 · 210,902 crawled sites · phone field datacorewebvitals.io/state-of-cwv
Related signals A/B testing (12) → Personalization (6) → E-commerce (17) → CDN (16) → 210,902 crawled sites with Chrome field data, representing millions of real page loads · How we measured
210,902 crawled sites with Chrome field data, representing millions of real page loads. How we measured.