1
At a glance the headline numbers for Video impact
Performance impact by video provider.
4
Providers ranked
After min-sites filter
30,292
Sites in sample
Combined across all items
0.04
Best CLS (p75)
Wistia
The State of Web Vitals · October 2026 · WordPress sites (63,295) · all devices field datacorewebvitals.io/state-of-cwv
2
The ranking sorted by CLS at p75, fastest first
| # | Provider | CLS p75 | Passing | Sites | |
|---|---|---|---|---|---|
| 1 | Wistia | 0.04 | 94.3% | 55 | |
| 2 | Brightcove | 0.04 | 88.9% | 224 | |
| 3 | YouTube | 0.04 | 87.2% | 26,784 | |
| 4 | Vimeo | 0.05 | 87.1% | 3,229 |
The State of Web Vitals · October 2026 · WordPress sites (63,295) · all devices field datacorewebvitals.io/state-of-cwv
3
Passing CLS per provider which group passes the CLS most often
ProviderSitesPassing CLSp75
Wistia 0.1% 55 0.04
Brightcove 0.4% 224 0.04
YouTube 42.3% 26,784 0.04
Vimeo 5.1% 3,229 0.05
JW Player 0% 28 0.08
Google IMA SDK 0% 22 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 87% and 89%. computed
The State of Web Vitals · October 2026 · WordPress sites (63,295) · 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 42.3%
672.8s
98107ms
870.04
552.4s
281.9s
Vimeo 5.1%
652.9s
99106ms
870.05
562.4s
281.9s
Brightcove 0.4%
702.8s
97115ms
890.04
622.3s
331.8s
Wistia 0.1%
593.2s
86136ms
940.04
552.8s
372.0s
JW Player 0%
752.1s
92131ms
790.08
791.7s
361.1s
Google IMA SDK 0%
732.6s
90156ms
680.13
771.5s
71826ms
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.
Brightcove leads on CLS: 89% of its sites pass. Vimeo trails at 87%. computed
The State of Web Vitals · October 2026 · WordPress sites (63,295) · all devices field datacorewebvitals.io/state-of-cwv
Related signals Font services (4) → Session recording (11) → A/B testing (12) → Ad networks (9) → 203,892 crawled sites with Chrome field data, representing millions of real page loads · How we measured
203,892 crawled sites with Chrome field data, representing millions of real page loads. How we measured.