Facebook Pixel vs Quantcast Measure

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

Top sites by authority

Facebook Pixel · Quantcast Measure · 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

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

United States 611,008

21,666

Brazil 214,285

4,575

India 210,862

7,614

United Kingdom 192,259

8,408

Canada 157,641

8,332

Germany 136,373

6,278

Australia 132,758

5,960

Japan 99,515

36,884

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, Aug 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 Facebook Pixel sites · All Quantcast Measure sites