1
At a glance the headline numbers for JS libraries impact
Performance impact by framework provider.
21
Providers ranked
After min-sites filter
272,218
Sites in sample
Combined across all items
1.6s
Best LCP (p75)
Turbo/Hotwire
The State of Web Vitals · Q2 2026 · 189,915 sites · desktop field datacorewebvitals.io/state-of-cwv
2
The ranking sorted by LCP at p75, fastest first
| # | Provider | LCP p75 | Passing | Sites | |
|---|---|---|---|---|---|
| 1 | Turbo/Hotwire | 1.6s | 94.8% | 520 | |
| 2 | Stimulus/Hotwire | 1.8s | 93.6% | 3,021 | |
| 3 | Next.js | 2.0s | 86.7% | 3,970 | |
| 4 | Flickity | 2.0s | 86.6% | 5,509 | |
| 5 | Ember.js | 2.0s | 84.4% | 114 | |
| 6 | jQuery | 2.0s | 85.1% | 129,336 | |
| 7 | Slick Carousel | 2.0s | 85.4% | 14,369 | |
| 8 | Lazysizes | 2.1s | 85.4% | 12,984 | |
| 9 | Owl Carousel | 2.1s | 83.7% | 8,206 | |
| 10 | Lit | 2.1s | 83.1% | 10,260 | |
| 11 | Vue.js | 2.1s | 82.9% | 10,724 | |
| 12 | Swiper | 2.2s | 81.4% | 29,806 | |
| 13 | Moment.js | 2.3s | 80.0% | 7,670 | |
| 14 | GSAP | 2.3s | 79.7% | 4,918 | |
| 15 | Lodash | 2.4s | 77.4% | 25,401 | |
| 16 | Nuxt | 2.4s | 78.1% | 1,199 | |
| 17 | React | 2.4s | 76.3% | 448 | |
| 18 | Backbone.js | 2.6s | 72.8% | 1,540 | |
| 19 | Polyfill.io | 2.6s | 71.8% | 88 | |
| 20 | Angular | 2.6s | 71.4% | 1,908 | |
| 21 | Ionic | 2.8s | 68.4% | 227 |
The State of Web Vitals · Q2 2026 · 189,915 sites · desktop field datacorewebvitals.io/state-of-cwv
3
Passing LCP per provider which group passes the LCP most often
ProviderSitesPassing LCPp75
Turbo/Hotwire 0.3%
520
1.6s
Stimulus/Hotwire 1.6%
3,021
1.8s
Next.js 2.1%
3,970
2.0s
Flickity 2.9%
5,509
2.0s
Slick Carousel 7.6%
14,369
2.0s
lazysizes 6.8%
12,984
2.1s
jQuery 68.1%
129,336
2.0s
Ember.js 0.1%
114
2.0s
Owl Carousel 4.3%
8,206
2.1s
Marko 0%
20
2.3s
Lit 5.4%
10,260
2.1s
Vue.js 5.6%
10,724
2.1s
Swiper 15.7%
29,806
2.2s
Moment.js 4%
7,670
2.3s
GSAP 2.6%
4,918
2.3s
Nuxt.js 0.6%
1,199
2.4s
Lodash 13.4%
25,401
2.4s
React 0.2%
448
2.4s
Backbone.js 0.8%
1,540
2.6s
Polyfill.io 0%
88
2.6s
Angular 1%
1,908
2.6s
Polymer 0%
17
2.3s
Ionic 0.1%
227
2.8s
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 27 points behind, leaving 32% of its sites failing. computed
The State of Web Vitals · Q2 2026 · 189,915 sites · desktop 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 68.1%
852.0s
9962ms
770.09
801.6s
571.2s
Swiper 15.7%
812.2s
9967ms
780.09
761.8s
531.4s
Lodash 13.4%
772.4s
9869ms
720.12
721.9s
511.5s
Slick Carousel 7.6%
852.0s
9964ms
720.12
811.6s
561.2s
lazysizes 6.8%
852.1s
9966ms
760.10
811.6s
571.2s
Vue.js 5.6%
832.1s
9976ms
710.12
801.6s
611.1s
Lit 5.4%
832.1s
9974ms
730.11
811.6s
631.1s
Owl Carousel 4.3%
842.1s
9962ms
680.14
791.7s
511.3s
Moment.js 4%
802.3s
9967ms
720.12
751.8s
571.3s
Flickity 2.9%
872.0s
10068ms
810.08
831.5s
651.1s
GSAP 2.6%
802.3s
10065ms
800.08
761.8s
521.4s
Next.js 2.1%
872.0s
96104ms
750.11
881.4s
76781ms
Stimulus/Hotwire 1.6%
941.8s
9968ms
850.07
921.3s
80727ms
Angular 1%
712.6s
96115ms
460.31
791.7s
84571ms
Backbone.js 0.8%
732.6s
9968ms
700.13
682.0s
461.5s
Nuxt.js 0.6%
782.4s
9799ms
660.15
781.7s
65995ms
Turbo/Hotwire 0.3%
951.6s
9979ms
920.04
911.2s
78751ms
React 0.2%
762.4s
9492ms
580.19
781.7s
631.1s
Ionic 0.1%
682.8s
94127ms
650.17
622.0s
701.0s
Ember.js 0.1%
842.0s
9779ms
770.08
791.6s
68944ms
Polyfill.io 0%
722.6s
10074ms
800.08
682.0s
541.1s
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 LCP: 95% of its sites pass. Ionic trails at 68%. computed
The State of Web Vitals · Q2 2026 · 189,915 sites · desktop field datacorewebvitals.io/state-of-cwv
Related signals
A/B testing (10) →
Personalization (5) →
E-commerce (14) →
CDN (15) →
Chrome field data from 189,915 sites, representing millions of real page loads · How we measured
Chrome field data from 189,915 sites, representing millions of real page loads. How we measured.