AppNexus vs Microsoft Advertising

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

Top sites by authority

AppNexus · 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

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

United States 55,306

179,390

Italy 14,204

106,385

Germany 18,026

100,083

United Kingdom 25,318

87,382

France 17,057

73,584

Canada 24,555

57,630

Netherlands 14,495

63,866

India 18,466

59,833

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, 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.

Sites that switched

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

All AppNexus sites · All Microsoft Advertising sites