Google Publisher Tag vs Open AdStream
Head-to-head usage across the sites we track.
Top sites by authority
Google Publisher Tag · Open AdStream · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
70
0
Open Page Rank 8+
1,185
9
Open Page Rank 7+
5,440
21
Open Page Rank 6+
10,495
26
Open Page Rank 5+
17,037
30
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Google Publisher Tag · Open AdStream · share of sites in each country using one or the other
United States
77,333
129
Canada
41,155
108
United Kingdom
40,696
110
India
32,440
85
Germany
31,191
96
France
29,042
114
Australia
27,204
62
Spain
26,508
97
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Google Publisher Tag | Open AdStream |
|---|---|---|
| LCP | 1.9 s | 1.8 s |
| INP | 100 ms | 125 ms |
| CLS | 0.05 | 0 |
| TTFB | 800 ms | 600 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.