AppNexus vs VerticalScope
Head-to-head usage across the sites we track.
Top sites by authority
AppNexus · VerticalScope · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
41
0
Open Page Rank 8+
670
0
Open Page Rank 7+
2,747
2
Open Page Rank 6+
5,157
7
Open Page Rank 5+
8,426
27
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
AppNexus · VerticalScope · share of sites in each country using one or the other
United States
55,306
956
United Kingdom
25,318
556
Canada
24,555
622
India
18,466
148
Germany
18,026
281
France
17,057
286
Australia
16,016
415
Spain
15,020
269
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | AppNexus | VerticalScope |
|---|---|---|
| LCP | 1.9 s | 1.4 s |
| INP | 100 ms | 125 ms |
| CLS | 0.05 | 0 |
| TTFB | 800 ms | 300 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.