1
At a glance the headline numbers for Video impact
Performance impact by video provider.
6
Providers ranked
After min-sites filter
35,513
Sites in sample
Combined across all items
0.05
Best CLS (p75)
Vimeo
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 | Vimeo | 0.05 | 86.5% | 2,637 | |
| 2 | YouTube | 0.05 | 86.1% | 32,031 | |
| 3 | Wistia | 0.06 | 86.3% | 127 | |
| 4 | Brightcove | 0.06 | 84.5% | 547 | |
| 5 | JW Player | 0.09 | 77.5% | 90 | |
| 6 | Google IMA SDK | 0.13 | 61.7% | 81 |
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
Vimeo 2.8% 2,637 0.05
Wistia 0.1% 127 0.06
YouTube 33.7% 32,031 0.05
Brightcove 0.6% 547 0.06
JW Player 0.1% 90 0.09
Vidyard 0% 6 0.13
Google IMA SDK 0.1% 81 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
No provider stands out: pass rates sit between 85% and 87%. 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
YouTube 33.7%
792.3s
96116ms
860.05
731.9s
521.4s
Vimeo 2.8%
732.6s
98109ms
870.05
672.1s
411.6s
Brightcove 0.6%
852.1s
92125ms
850.06
791.7s
69892ms
Wistia 0.1%
702.7s
91139ms
860.06
642.2s
411.4s
JW Player 0.1%
891.9s
85131ms
780.09
841.4s
78773ms
Google IMA SDK 0.1%
881.8s
77180ms
620.13
931.4s
90546ms
Vidyard 0%
505.7s
100124ms
670.13
674.5s
333.3s
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.
Vimeo leads on CLS: 87% of its sites pass. Brightcove trails at 85%. computed
The State of Web Vitals · Q1 2026 · 94,910 sites · all devices field datacorewebvitals.io/state-of-cwv
Related signals Font services (4) → Session recording (11) → A/B testing (10) → Ad networks (9) → Chrome field data from 94,910 sites, representing millions of real page loads · How we measured
Chrome field data from 94,910 sites, representing millions of real page loads. How we measured.