AdScale vs AppNexus
Head-to-head usage across the sites we track.
Top sites by authority
AdScale · AppNexus · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
1
47
Open Page Rank 8+
1
689
Open Page Rank 7+
2
2,812
Open Page Rank 6+
5
5,269
Open Page Rank 5+
14
8,688
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
AdScale · AppNexus · share of sites in each country using one or the other
United States
921
63,153
United Kingdom
296
28,394
Canada
232
28,277
India
251
21,189
France
129
20,122
Germany
153
20,086
Australia
194
18,205
Spain
83
17,003
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | AdScale | AppNexus |
|---|---|---|
| LCP | 1.6 s | 1.9 s |
| INP | 100 ms | 100 ms |
| CLS | 0 | 0.05 |
| TTFB | 600 ms | 800 ms |
Median site's p75 values from the Chrome UX Report, Jun 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.