Header Bidding Ai vs Microsoft Advertising
Head-to-head usage across the sites we track.
Top sites by authority
Header Bidding Ai · Microsoft Advertising · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
0
109
Open Page Rank 8+
0
2,084
Open Page Rank 7+
0
9,035
Open Page Rank 6+
0
18,455
Open Page Rank 5+
0
33,215
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Header Bidding Ai · Microsoft Advertising · share of sites in each country using one or the other
United States
3
179,390
Italy
2
106,385
Germany
2
100,083
United Kingdom
3
87,382
France
2
73,584
Netherlands
2
63,866
India
4
59,833
Canada
2
57,630
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Header Bidding Ai | Microsoft Advertising |
|---|---|---|
| LCP | 2.4 s | 1.9 s |
| INP | 100 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 600 ms | 800 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.
All Header Bidding Ai sites · All Microsoft Advertising sites