i-mobile vs Microsoft Advertising

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

Top sites by authority

i-mobile · 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

i-mobile · Microsoft Advertising · share of sites in each country using one or the other

United States 227

180,700

Italy 72

113,422

Germany 84

98,787

United Kingdom 87

87,840

France 78

76,969

Netherlands 61

64,450

India 105

59,005

Spain 74

58,253

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 i-mobile sites · All Microsoft Advertising sites