Google Publisher Tag vs ID5

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

Top sites by authority

Google Publisher Tag · ID5 · 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 · ID5 · share of sites in each country using one or the other

United States 77,333

55,502

Canada 41,155

28,716

United Kingdom 40,696

27,695

India 32,440

20,684

Germany 31,191

19,361

France 29,042

18,034

Australia 27,204

18,751

Spain 26,508

15,355

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, 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 Google Publisher Tag sites · All ID5 sites