AcuityAds vs AppNexus
Head-to-head usage across the sites we track.
Top sites by authority
AcuityAds · AppNexus · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
2
41
Open Page Rank 8+
24
670
Open Page Rank 7+
81
2,747
Open Page Rank 6+
140
5,157
Open Page Rank 5+
218
8,426
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
AcuityAds · AppNexus · share of sites in each country using one or the other
United States
1,018
55,306
United Kingdom
357
25,318
Canada
710
24,555
India
343
18,466
Germany
186
18,026
France
201
17,057
Australia
175
16,016
Spain
214
15,020
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | AcuityAds | AppNexus |
|---|---|---|
| LCP | 2 s | 1.9 s |
| INP | 100 ms | 100 ms |
| CLS | 0 | 0.05 |
| TTFB | 800 ms | 800 ms |
Median site's p75 values from the Chrome UX Report, Aug 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.
AppNexus to AcuityAds
| Domain | When |
|---|---|
| gocoastguard.com | May 2026 |