Ad networks impact WordPress sites
Ad networks ranked by performance impact.
1
At a glance the headline numbers for Ad networks impact
Ad networks ranked by performance impact.
6
Providers ranked
After min-sites filter
6,105
Sites in sample
Combined across all items
2.0s
Best LCP (p75)
Taboola
The State of Web Vitals · October 2026 · WordPress sites (63,295) · desktop field datacorewebvitals.io/state-of-cwv
2
The ranking sorted by LCP at p75, fastest first
| # | Provider | LCP p75 | Passing | Sites | |
|---|---|---|---|---|---|
| 1 | Taboola | 2.0s | 83.1% | 83 | |
| 2 | Prebid.js | 2.2s | 81.9% | 273 | |
| 3 | Google Publisher Tag/GAM | 2.3s | 78.4% | 811 | |
| 4 | Amazon Publisher Services | 2.4s | 74.5% | 70 | |
| 5 | Google AdSense | 2.6s | 73.1% | 4,815 | |
| 6 | Criteo | 2.7s | 69.2% | 53 |
The State of Web Vitals · October 2026 · WordPress sites (63,295) · desktop field datacorewebvitals.io/state-of-cwv
3
Passing LCP per provider which group passes the LCP most often
ProviderSitesPassing LCPp75
Taboola 0.1% 83 2.0s
Prebid.js 0.4% 273 2.2s
Google Publisher Tag/GAM 1.3% 811 2.3s
Amazon Publisher Services 0.1% 70 2.4s
Google AdSense 7.6% 4,815 2.6s
Criteo 0.1% 53 2.7s
Index Exchange 0% 11 2.6s
Media.net 0% 6 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
82% of Prebid.js sites pass LCP. Google AdSense trails 9 points behind, leaving 27% of its sites failing. computed
The State of Web Vitals · October 2026 · WordPress sites (63,295) · 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
Google AdSense 7.6%
732.6s
9978ms
730.12
632.2s
331.8s
Google Publisher Tag/GAM 1.3%
782.3s
9987ms
670.13
701.9s
451.4s
Prebid.js 0.4%
822.2s
9887ms
700.12
751.8s
541.2s
Taboola 0.1%
832.0s
9688ms
650.15
821.6s
511.2s
Amazon Publisher Services 0.1%
752.4s
10081ms
550.14
771.7s
63984ms
Criteo 0.1%
692.7s
9688ms
790.09
692.1s
421.4s
Index Exchange 0%
642.6s
10087ms
550.16
642.0s
461.3s
Media.net 0%
03.0s
10074ms
500.10
02.6s
02.5s
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.
Prebid.js leads on LCP: 82% of its sites pass. Google AdSense trails at 73%. computed
The State of Web Vitals · October 2026 · WordPress sites (63,295) · desktop field datacorewebvitals.io/state-of-cwv
Related signals JS libraries (26) → Email marketing (8) → Font services (4) → CDN (16) → 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.