AppNexus vs Reddit Ads

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

Top sites by authority

AppNexus · Reddit 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

AppNexus · Reddit Ads · share of sites in each country using one or the other

United States 63,153

27,536

Canada 28,277

13,021

United Kingdom 28,394

12,075

India 21,189

14,192

Germany 20,086

8,345

France 20,122

7,906

Australia 18,205

8,207

Spain 17,003

6,781

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 AppNexus sites · All Reddit Ads sites