Microsoft Advertising vs Prebid

Head-to-head usage across the sites we track.

Top sites by authority

Microsoft Advertising · Prebid · how many of each technology's sites sit in the web's highest authority tiers

Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.

By country

Microsoft Advertising · Prebid · share of sites in each country using one or the other

United States 180,700

51,524

Italy 113,422

15,006

Germany 98,787

18,621

United Kingdom 87,840

26,466

France 76,969

16,416

Canada 57,987

27,256

Netherlands 64,450

13,987

India 59,005

18,665

Audience countries from the Chrome UX Report, top markets of either technology.

Real user performance

Median site's p75 values from the Chrome UX Report, Sep 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.

Sites that switched

Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.

All Microsoft Advertising sites · All Prebid sites