Google Publisher Tag vs Header Bidding Ai
Head-to-head usage across the sites we track.
Top sites by authority
Google Publisher Tag · Header Bidding Ai · 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
0
Open Page Rank 7+
5,440
0
Open Page Rank 6+
10,495
0
Open Page Rank 5+
17,037
0
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 · Header Bidding Ai · share of sites in each country using one or the other
United States
77,333
4
Canada
41,155
2
United Kingdom
40,696
4
India
32,440
5
Germany
31,191
3
France
29,042
1
Australia
27,204
1
Spain
26,508
1
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Google Publisher Tag | Header Bidding Ai |
|---|---|---|
| LCP | 1.9 s | 2.7 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, 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.
All Google Publisher Tag sites · All Header Bidding Ai sites