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
0.03
Best CLS (p75)
YouTube
The State of Web Vitals · Q1 2026 · 94,910 sites · phone field datacorewebvitals.io/state-of-cwv
2
The ranking sorted by CLS at p75, fastest first
| # | Provider | CLS p75 | Passing | Sites | |
|---|---|---|---|---|---|
| 1 | YouTube | 0.03 | 87.1% | 32,031 | |
| 2 | Vimeo | 0.04 | 85.5% | 2,637 | |
| 3 | Brightcove | 0.05 | 85.7% | 547 | |
| 4 | Wistia | 0.06 | 86.1% | 127 | |
| 5 | JW Player | 0.07 | 78.9% | 90 | |
| 6 | Google IMA SDK | 0.13 | 65.2% | 81 |
The State of Web Vitals · Q1 2026 · 94,910 sites · phone field datacorewebvitals.io/state-of-cwv
3
Passing CLS per provider which group passes the CLS most often
ProviderSitesPassing CLSp75
YouTube 33.7% 32,031 0.03
Wistia 0.1% 127 0.06
Brightcove 0.6% 547 0.05
Vimeo 2.8% 2,637 0.04
JW Player 0.1% 90 0.07
Vidyard 0% 6 0.09
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 86% and 87%. computed
The State of Web Vitals · Q1 2026 · 94,910 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
YouTube 33.7%
782.4s
92138ms
870.03
721.9s
531.3s
Vimeo 2.8%
712.7s
95129ms
860.04
642.2s
411.6s
Brightcove 0.6%
812.2s
89143ms
860.05
761.8s
64998ms
Wistia 0.1%
662.8s
89157ms
860.06
612.4s
381.4s
JW Player 0.1%
892.0s
82164ms
790.07
821.5s
75799ms
Google IMA SDK 0.1%
871.8s
75198ms
650.13
941.4s
91564ms
Vidyard 0%
257.2s
75202ms
750.09
256.8s
254.3s
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.
YouTube leads on CLS: 87% of its sites pass. Wistia trails at 86%. computed
The State of Web Vitals · Q1 2026 · 94,910 sites · phone 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.