1
At a glance the headline numbers for JS libraries impact
Performance impact by framework provider.
20
Providers ranked
After min-sites filter
142,710
Sites in sample
Combined across all items
0.01
Best CLS (p75)
Turbo/Hotwire
The State of Web Vitals · Q1 2026 · 94,910 sites · all devices field datacorewebvitals.io/state-of-cwv
2
The ranking sorted by CLS at p75, fastest first
| # | Provider | CLS p75 | Passing | Sites | |
|---|---|---|---|---|---|
| 1 | Turbo/Hotwire | 0.01 | 95.7% | 258 | |
| 2 | GSAP | 0.03 | 89.7% | 2,573 | |
| 3 | jQuery | 0.03 | 88.4% | 67,906 | |
| 4 | Flickity | 0.03 | 90.6% | 2,891 | |
| 5 | Lodash | 0.04 | 86.2% | 13,200 | |
| 6 | Stimulus/Hotwire | 0.04 | 90.5% | 1,536 | |
| 7 | Swiper | 0.04 | 88.2% | 15,692 | |
| 8 | Lazysizes | 0.05 | 86.9% | 6,844 | |
| 9 | Slick Carousel | 0.05 | 84.6% | 7,462 | |
| 10 | Moment.js | 0.06 | 82.7% | 4,065 | |
| 11 | Lit | 0.06 | 82.5% | 5,243 | |
| 12 | Vue.js | 0.06 | 83.4% | 5,677 | |
| 13 | Owl Carousel | 0.07 | 80.9% | 4,359 | |
| 14 | Backbone.js | 0.07 | 80.3% | 818 | |
| 15 | Next.js | 0.09 | 77.7% | 2,085 | |
| 16 | Ember.js | 0.14 | 71.9% | 67 | |
| 17 | React | 0.14 | 71.4% | 235 | |
| 18 | Nuxt | 0.14 | 69.3% | 647 | |
| 19 | Ionic | 0.23 | 56.5% | 116 | |
| 20 | Angular | 0.30 | 48.3% | 1,036 |
The State of Web Vitals · Q1 2026 · 94,910 sites · all devices field datacorewebvitals.io/state-of-cwv
3
Passing CLS per provider which group passes the CLS most often
ProviderSitesPassing CLSp75
Marko 0% 12 0.02
Turbo/Hotwire 0.3% 258 0.01
Flickity 3% 2,891 0.03
Stimulus/Hotwire 1.6% 1,536 0.04
GSAP 2.7% 2,573 0.03
jQuery 71.5% 67,906 0.03
Swiper 16.5% 15,692 0.04
lazysizes 7.2% 6,844 0.05
Lodash 13.9% 13,200 0.04
Slick Carousel 7.9% 7,462 0.05
Vue.js 6% 5,677 0.06
Moment.js 4.3% 4,065 0.06
Lit 5.5% 5,243 0.06
Owl Carousel 4.6% 4,359 0.07
Polyfill.io 0% 46 0.06
Backbone.js 0.9% 818 0.07
Next.js 2.2% 2,085 0.09
Ember.js 0.1% 67 0.14
React 0.2% 235 0.14
Nuxt.js 0.7% 647 0.14
Ionic 0.1% 116 0.23
Angular 1.1% 1,036 0.30
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
96% of Turbo/Hotwire sites pass CLS. Angular trails 48 points behind, leaving 52% of its sites failing. computed
The State of Web Vitals · Q1 2026 · 94,910 sites · all devices 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 71.5%
812.2s
97104ms
880.03
741.9s
521.4s
Swiper 16.5%
752.5s
97112ms
880.04
672.1s
451.6s
Lodash 13.9%
792.3s
96107ms
860.04
731.9s
581.3s
Slick Carousel 7.9%
822.2s
96108ms
850.05
761.8s
541.2s
lazysizes 7.2%
802.3s
96114ms
870.05
731.9s
501.4s
Vue.js 6%
772.4s
95128ms
830.06
711.9s
521.3s
Lit 5.5%
772.4s
93121ms
830.06
721.9s
571.2s
Owl Carousel 4.6%
802.3s
97105ms
810.07
741.8s
501.3s
Moment.js 4.3%
762.5s
95119ms
830.06
702.0s
521.4s
Flickity 3%
802.3s
98113ms
910.03
731.9s
541.4s
GSAP 2.7%
732.6s
98106ms
900.03
672.1s
441.6s
Next.js 2.2%
822.2s
78188ms
780.09
821.6s
74821ms
Stimulus/Hotwire 1.6%
892.0s
98105ms
910.04
861.5s
82712ms
Angular 1.1%
613.0s
86171ms
480.30
702.0s
81671ms
Backbone.js 0.9%
712.7s
97111ms
800.07
622.2s
431.6s
Nuxt.js 0.7%
722.6s
90155ms
690.14
731.9s
601.0s
Turbo/Hotwire 0.3%
951.6s
95136ms
960.01
891.3s
78763ms
React 0.2%
822.3s
75202ms
710.14
751.8s
481.2s
Ionic 0.1%
423.8s
82175ms
570.23
442.8s
681.0s
Ember.js 0.1%
732.7s
91130ms
720.14
682.0s
72874ms
Polyfill.io 0%
822.2s
97111ms
800.06
761.7s
631.1s
Marko 0%
672.8s
100123ms
1000.02
172.3s
02.0s
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: 96% of its sites pass. Angular trails at 48%. computed
The State of Web Vitals · Q1 2026 · 94,910 sites · all devices field datacorewebvitals.io/state-of-cwv
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