AppNexus vs Microsoft Advertising

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

206,246
websites
vs
1,040,421
websites

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 9+ 47 108
Open Page Rank 8+ 689 2,055
Open Page Rank 7+ 2,812 8,925
Open Page Rank 6+ 5,269 18,225
Open Page Rank 5+ 8,688 32,802

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 63,153 194,280
Italy 15,996 120,089
Germany 20,086 109,223
United Kingdom 28,394 96,386
France 20,122 85,328
Canada 28,277 64,841
India 21,189 66,986
Netherlands 16,405 71,387

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

Real user performance

Metric AppNexus Microsoft Advertising
LCP 1.9 s 1.9 s
INP 100 ms 75 ms
CLS 0.05 0
TTFB 800 ms 800 ms

Median site's p75 values from the Chrome UX Report, Jun 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

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