Google Publisher Tag vs OpenX

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

Top sites by authority

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

United States 69,673

40,202

United Kingdom 36,190

20,766

Canada 35,821

20,948

India 28,780

14,264

Germany 27,542

13,671

Australia 24,114

13,982

France 24,581

11,940

Spain 23,313

10,918

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 Publisher Tag sites · All OpenX sites