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+
72
0
Open Page Rank 8+
1,186
9
Open Page Rank 7+
5,411
20
Open Page Rank 6+
10,428
24
Open Page Rank 5+
16,880
28
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
69,673
110
United Kingdom
36,190
97
Canada
35,821
92
India
28,780
68
Germany
27,542
83
France
24,581
98
Australia
24,114
58
Spain
23,313
87
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 | 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.