Adform vs Microsoft Advertising

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

Top sites by authority

Adform · Microsoft Advertising · 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

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

United States 3,447

180,700

Italy 2,171

113,422

Germany 2,858

98,787

United Kingdom 2,403

87,840

France 2,167

76,969

Netherlands 2,214

64,450

Spain 2,911

58,253

India 1,475

59,005

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 Adform sites · All Microsoft Advertising sites