Carbon Ads vs Google Publisher Tag
Head-to-head usage across the sites we track.
Top sites by authority
Carbon Ads · Google Publisher Tag · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
5
70
Open Page Rank 8+
21
1,185
Open Page Rank 7+
62
5,440
Open Page Rank 6+
92
10,495
Open Page Rank 5+
129
17,037
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Carbon Ads · Google Publisher Tag · share of sites in each country using one or the other
United States
293
77,333
Canada
142
41,155
United Kingdom
176
40,696
India
302
32,440
Germany
166
31,191
France
168
29,042
Australia
115
27,204
Spain
127
26,508
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Carbon Ads | Google Publisher Tag |
|---|---|---|
| LCP | 1.6 s | 1.9 s |
| INP | 50 ms | 100 ms |
| CLS | 0 | 0.05 |
| TTFB | 700 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.