Facebook Pixel vs Smartlook

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

Top sites by authority

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

United States 606,740

3,357

Brazil 212,674

2,111

India 209,979

1,837

United Kingdom 191,995

1,572

Canada 156,840

1,064

Germany 133,751

1,486

Italy 131,187

1,425

Australia 130,501

865

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 Facebook Pixel sites · All Smartlook sites