Ad Lightning vs AppNexus

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

Top sites by authority

Ad Lightning · AppNexus · 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

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

United States 2,752

53,163

United Kingdom 1,490

24,886

Canada 1,609

24,461

India 931

18,232

Germany 830

17,552

France 801

16,584

Australia 1,110

15,760

Spain 800

15,151

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 Ad Lightning sites · All AppNexus sites