OpenX vs Twitter Ads

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

Top sites by authority

OpenX · Twitter Ads · 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

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

United States 45,149

77,223

Japan 9,400

94,781

United Kingdom 23,140

37,804

Canada 24,113

30,395

India 16,209

38,219

France 13,999

25,910

Germany 15,217

22,605

Spain 12,337

24,714

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 OpenX sites · All Twitter Ads sites