AppNexus vs Carbon Ads
Head-to-head usage across the sites we track.
Top sites by authority
AppNexus · Carbon Ads · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
47
5
Open Page Rank 8+
689
21
Open Page Rank 7+
2,812
62
Open Page Rank 6+
5,269
92
Open Page Rank 5+
8,688
129
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
AppNexus · Carbon Ads · share of sites in each country using one or the other
United States
63,153
293
United Kingdom
28,394
176
Canada
28,277
142
India
21,189
302
France
20,122
168
Germany
20,086
166
Australia
18,205
115
Spain
17,003
127
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | AppNexus | Carbon Ads |
|---|---|---|
| LCP | 1.9 s | 1.6 s |
| INP | 100 ms | 50 ms |
| CLS | 0.05 | 0 |
| TTFB | 800 ms | 700 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.