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 41,305

682,486

India 14,086

232,577

Brazil 8,106

232,798

United Kingdom 19,595

215,651

Canada 21,384

179,139

Germany 11,557

152,732

Australia 14,045

147,442

France 10,652

143,703

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 comScore sites · All Facebook Pixel sites