Facebook Login vs Super Socializer

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

Top sites by authority

Facebook Login · Super Socializer · 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 Login · Super Socializer · share of sites in each country using one or the other

United States 115,038

757

Japan 80,242

140

Brazil 50,577

388

India 40,025

795

United Kingdom 39,812

316

France 35,047

286

Italy 33,452

404

Canada 30,466

246

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 Login sites · All Super Socializer sites