comScore vs Facebook Pixel

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

Top sites by authority

comScore · Facebook Pixel · 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

comScore · Facebook Pixel · share of sites in each country using one or the other

United States 37,150

606,740

India 12,433

209,979

Brazil 7,340

212,674

United Kingdom 17,423

191,995

Canada 19,110

156,840

Germany 10,203

133,751

Australia 12,199

130,501

Italy 7,696

131,187

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 comScore sites · All Facebook Pixel sites