1
At a glance the headline numbers for Video impact
Performance impact by video provider.
6
Providers ranked
After min-sites filter
75,046
Sites in sample
Combined across all items
0.06
Best CLS (p75)
Wistia
The State of Web Vitals · October 2026 · 210,902 crawled sites · desktop field datacorewebvitals.io/state-of-cwv
2
The ranking sorted by CLS at p75, fastest first
| # | Provider | CLS p75 | Passing | Sites | |
|---|---|---|---|---|---|
| 1 | Wistia | 0.06 | 85.0% | 258 | |
| 2 | Vimeo | 0.10 | 75.0% | 5,591 | |
| 3 | YouTube | 0.10 | 76.8% | 67,665 | |
| 4 | JW Player | 0.13 | 72.8% | 195 | |
| 5 | Google IMA SDK | 0.13 | 62.0% | 159 | |
| 6 | Brightcove | 0.16 | 66.9% | 1,178 |
The State of Web Vitals · October 2026 · 210,902 crawled sites · desktop field datacorewebvitals.io/state-of-cwv
3
Passing CLS per provider which group passes the CLS most often
ProviderSitesPassing CLSp75
Wistia 0.1% 258 0.06
Vidyard 0% 7 0.02
YouTube 32.1% 67,665 0.10
Vimeo 2.7% 5,591 0.10
JW Player 0.1% 195 0.13
Brightcove 0.6% 1,178 0.16
Google IMA SDK 0.1% 159 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
85% of Wistia sites pass CLS. Google IMA SDK trails 23 points behind, leaving 38% of its sites failing. computed
The State of Web Vitals · October 2026 · 210,902 crawled 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
YouTube 32.1%
842.1s
9969ms
770.10
801.6s
581.2s
Vimeo 2.7%
782.4s
9968ms
750.10
741.8s
461.5s
Brightcove 0.6%
852.0s
9875ms
670.16
831.5s
71861ms
Wistia 0.1%
802.4s
9978ms
850.06
721.9s
501.3s
JW Player 0.1%
832.0s
9676ms
730.13
831.5s
68967ms
Google IMA SDK 0.1%
901.7s
9492ms
620.13
951.2s
90519ms
Vidyard 0%
406.9s
100126ms
800.02
405.3s
204.1s
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.
Wistia leads on CLS: 85% of its sites pass. Google IMA SDK trails at 62%. computed
The State of Web Vitals · October 2026 · 210,902 crawled sites · desktop field datacorewebvitals.io/state-of-cwv
Related signals Font services (4) → Session recording (11) → A/B testing (12) → Ad networks (9) → 210,902 crawled sites with Chrome field data, representing millions of real page loads · How we measured
210,902 crawled sites with Chrome field data, representing millions of real page loads. How we measured.