Criteo vs OpenX

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

Top sites by authority

Criteo · 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

Criteo · OpenX · share of sites in each country using one or the other

United States 41,070

37,294

United Kingdom 23,599

20,070

Canada 22,368

20,720

Germany 19,382

13,236

India 17,749

13,645

Australia 15,055

13,618

France 17,018

11,471

Spain 15,932

10,896

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, Sep 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 Criteo sites · All OpenX sites