PerimeterX vs reCAPTCHA

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

Top sites by authority

PerimeterX · reCAPTCHA · 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

PerimeterX · reCAPTCHA · share of sites in each country using one or the other

United States 4,735

521,768

India 2,115

193,784

United Kingdom 1,760

180,414

Japan 782

171,305

France 1,230

146,342

Brazil 1,031

142,702

Canada 1,865

138,004

Spain 1,091

138,105

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 PerimeterX sites · All reCAPTCHA sites