AppNexus vs Google Publisher Tag

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

Top sites by authority

AppNexus · Google Publisher Tag · 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 · Google Publisher Tag · share of sites in each country using one or the other

United States 55,306

69,673

United Kingdom 25,318

36,190

Canada 24,555

35,821

India 18,466

28,780

Germany 18,026

27,542

France 17,057

24,581

Australia 16,016

24,114

Spain 15,020

23,313

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 Google Publisher Tag sites