33Across vs Google Publisher Tag

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

Top sites by authority

33Across · 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

33Across · Google Publisher Tag · share of sites in each country using one or the other

United States 14,035

69,673

United Kingdom 7,346

36,190

Canada 7,374

35,821

India 6,407

28,780

Germany 6,234

27,542

France 5,721

24,581

Australia 4,946

24,114

Spain 5,448

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 33Across sites · All Google Publisher Tag sites