Ad networks impact WordPress sites

Ad networks ranked by performance impact.

Field data PhoneDesktopAll Scope All sites October 2026 edition · Desktop field outcomes · WordPress sites only
Metric LCP INP CLS
WordPress Scoped to 63,295 sites out of 203,892 analyzed (cms) Compare with all sites →
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
78ms
Best INP (p75)
Google AdSense
The State of Web Vitals · October 2026 · WordPress sites (63,295) · desktop field datacorewebvitals.io/state-of-cwv
2

The ranking sorted by INP at p75, fastest first

# Provider INP p75 Passing Sites
1 Google AdSense 78ms 99.0%
4,815
2 Amazon Publisher Services 81ms 100.0%
70
3 Prebid.js 87ms 98.3%
273
4 Google Publisher Tag/GAM 87ms 98.7%
811
5 Taboola 88ms 96.1%
83
6 Criteo 88ms 96.0%
53
The State of Web Vitals · October 2026 · WordPress sites (63,295) · desktop field datacorewebvitals.io/state-of-cwv
3

Passing INP per provider which group passes the INP most often

ProviderSitesPassing INPp75
Amazon Publisher Services 0.1% 70 100% 81ms
Index Exchange 0% 11 100% 87ms
Media.net 0% 6 100% 74ms
Google AdSense 7.6% 4,815 99% 78ms
Google Publisher Tag/GAM 1.3% 811 99% 87ms
Prebid.js 0.4% 273 98% 87ms
Taboola 0.1% 83 96% 88ms
Criteo 0.1% 53 96% 88ms
Good Needs Improvement Poor Sorted best-passing first · median colored by its own rating · pass = good INP (200ms at p75) · one value per site

No provider stands out: pass rates sit between 98% and 99%. 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.

Google AdSense leads on INP: 99% of its sites pass. Prebid.js trails at 98%. 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