Video impact React sites

Performance impact by video provider.

Field data PhoneDesktopAll Scope All sites October 2026 edition · Phone field outcomes · React sites only
Metric LCP INP CLS
React Scoped to 9,570 sites out of 210,902 analyzed (frameworks) Compare with all sites →
1

At a glance the headline numbers for Video impact

Performance impact by video provider.

2
Providers ranked
After min-sites filter
2,775
Sites in sample
Combined across all items
2.6s
Best LCP (p75)
YouTube
The State of Web Vitals · October 2026 · React sites (9,570) · phone field datacorewebvitals.io/state-of-cwv
2

The ranking sorted by LCP at p75, fastest first

# Provider LCP p75 Passing Sites
1 YouTube 2.6s 73.3%
2,596
2 Vimeo 3.0s 69.4%
179
The State of Web Vitals · October 2026 · React sites (9,570) · phone field datacorewebvitals.io/state-of-cwv
3

Passing LCP per provider which group passes the LCP most often

ProviderSitesPassing LCPp75
Wistia 0.2% 17 89% 2.0s
Brightcove 0.1% 13 78% 2.4s
YouTube 27.1% 2,596 73% 2.6s
Vimeo 1.9% 179 69% 3.0s
Good Needs Improvement Poor Sorted best-passing first · median colored by its own rating · pass = good LCP (2.5s at p75) · one value per site

No provider stands out: pass rates sit between 69% and 73%. computed

The State of Web Vitals · October 2026 · React sites (9,570) · 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 27.1%
732.6s
92139ms
890.02
692.0s
531.5s
Vimeo 1.9%
693.0s
92153ms
850.04
622.2s
461.8s
Wistia 0.2%
892.0s
83177ms
890.03
1001.1s
90663ms
Brightcove 0.1%
782.4s
83162ms
1000.06
672.1s
67863ms
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 LCP: 73% of its sites pass. Vimeo trails at 69%. computed

The State of Web Vitals · October 2026 · React sites (9,570) · phone 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