Google Ads vs Google Publisher Tag

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

Top sites by authority

Google Ads · 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

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

United States 7,251

69,673

United Kingdom 2,383

36,190

Canada 2,348

35,821

Japan 21,422

16,051

India 2,335

28,780

Germany 1,692

27,542

France 1,608

24,581

Australia 1,947

24,114

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 Google Ads sites · All Google Publisher Tag sites