1
At a glance the headline numbers for Ad networks impact
Ad networks ranked by performance impact.
2
Providers ranked
After min-sites filter
944
Sites in sample
Combined across all items
155ms
Best INP (p75)
Google AdSense
The State of Web Vitals · October 2026 · React sites (9,570) · phone field datacorewebvitals.io/state-of-cwv
2
The ranking sorted by INP at p75, fastest first
| # | Provider | INP p75 | Passing | Sites | |
|---|---|---|---|---|---|
| 1 | Google AdSense | 155ms | 88.2% | 863 | |
| 2 | Google Publisher Tag/GAM | 233ms | 71.4% | 81 |
The State of Web Vitals · October 2026 · React sites (9,570) · phone field datacorewebvitals.io/state-of-cwv
3
Passing INP per provider which group passes the INP most often
ProviderSitesPassing INPp75
Index Exchange 0.1% 6 154ms
Google AdSense 9% 863 155ms
Prebid.js 0.2% 18 175ms
Google Publisher Tag/GAM 0.8% 81 233ms
Amazon Publisher Services 0.1% 5 206ms
Criteo 0.2% 19 261ms
Taboola 0.1% 5 279ms
Good Needs Improvement Poor Sorted best-passing first · median colored by its own rating · pass = good INP (200ms at p75) · one value per site
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
Google AdSense 9%
722.6s
88155ms
900.02
712.0s
571.5s
Google Publisher Tag/GAM 0.8%
722.6s
71233ms
760.09
771.7s
67910ms
Criteo 0.2%
742.4s
53261ms
900.09
791.4s
47970ms
Prebid.js 0.2%
752.3s
81175ms
880.08
811.3s
81620ms
Index Exchange 0.1%
832.2s
100154ms
1000.00
1001.1s
100450ms
Taboola 0.1%
502.7s
50279ms
800.08
602.0s
40927ms
Amazon Publisher Services 0.1%
1001.9s
60206ms
800.09
1001.2s
100400ms
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.
The State of Web Vitals · October 2026 · React sites (9,570) · phone field datacorewebvitals.io/state-of-cwv
Related signals JS libraries (26) → Email marketing (8) → Font services (4) → CDN (16) → 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.