AppNexus vs Smart Ad Server

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

Top sites by authority

AppNexus · Smart Ad Server · 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 · Smart Ad Server · share of sites in each country using one or the other

United States 53,163

4,364

United Kingdom 24,886

2,443

Canada 24,461

2,754

Germany 17,552

2,548

India 18,232

1,765

France 16,584

2,741

Spain 15,151

2,660

Australia 15,760

1,406

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 AppNexus sites · All Smart Ad Server sites