1
At a glance the headline numbers for Ad networks impact
Ad networks ranked by performance impact.
6
Providers ranked
After min-sites filter
9,463
Sites in sample
Combined across all items
170ms
Best INP (p75)
Prebid.js
The State of Web Vitals · Q1 2026 · 94,910 sites · phone field datacorewebvitals.io/state-of-cwv
2
The ranking sorted by INP at p75, fastest first
| # | Provider | INP p75 | Passing | Sites | |
|---|---|---|---|---|---|
| 1 | Prebid.js | 170ms | 83.6% | 441 | |
| 2 | Google AdSense | 173ms | 84.9% | 6,899 | |
| 3 | Google Publisher Tag/GAM | 177ms | 83.1% | 1,487 | |
| 4 | Amazon Publisher Services | 183ms | 78.4% | 158 | |
| 5 | Taboola | 183ms | 77.5% | 247 | |
| 6 | Criteo | 208ms | 72.7% | 231 |
The State of Web Vitals · Q1 2026 · 94,910 sites · phone field datacorewebvitals.io/state-of-cwv
3
Passing INP per provider which group passes the INP most often
ProviderSitesPassing INPp75
Index Exchange 0% 24 154ms
Outbrain 0% 8 154ms
Google AdSense 7.3% 6,899 173ms
Prebid.js 0.5% 441 170ms
Google Publisher Tag/GAM 1.6% 1,487 177ms
Media.net 0% 8 183ms
Amazon Publisher Services 0.2% 158 183ms
Taboola 0.3% 247 183ms
Criteo 0.2% 231 208ms
Good Needs Improvement Poor Sorted best-passing first · median colored by its own rating · pass = good INP (200ms at p75) · one value per site
85% of Google AdSense sites pass INP. Criteo trails 12 points behind, leaving 27% of its sites failing. 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
Google AdSense 7.3%
792.4s
85173ms
850.06
731.9s
541.3s
Google Publisher Tag/GAM 1.6%
832.2s
83177ms
760.10
821.6s
70916ms
Prebid.js 0.5%
842.2s
84170ms
710.13
851.6s
74821ms
Taboola 0.3%
802.3s
78183ms
680.14
801.7s
73825ms
Criteo 0.2%
772.4s
73208ms
740.12
741.9s
581.1s
Amazon Publisher Services 0.2%
832.1s
78183ms
720.12
821.6s
77749ms
Index Exchange 0%
772.3s
91154ms
730.12
821.5s
73798ms
Outbrain 0%
862.2s
86154ms
710.13
861.3s
71716ms
Media.net 0%
433.5s
80183ms
430.91
432.6s
172.0s
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.
Google AdSense leads on INP: 85% of its sites pass. Criteo trails at 73%. computed
The State of Web Vitals · Q1 2026 · 94,910 sites · phone field datacorewebvitals.io/state-of-cwv
Related signals JS libraries (22) → Email marketing (7) → Font services (4) → CDN (15) → 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.