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+
41
5
Open Page Rank 8+
670
20
Open Page Rank 7+
2,747
60
Open Page Rank 6+
5,157
92
Open Page Rank 5+
8,426
126
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
55,306
262
United Kingdom
25,318
146
Canada
24,555
126
India
18,466
263
Germany
18,026
131
France
17,057
123
Australia
16,016
98
Spain
15,020
103
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, 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 Carbon Ads
| Domain | When |
|---|---|
| revealjs.com | May 2026 |
Carbon Ads to AppNexus
| Domain | When |
|---|---|
| tomatotimers.com | Jun 2026 |