Friendly Captcha vs HSTS

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

Top sites by authority

Friendly Captcha · HSTS · 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

Friendly Captcha · HSTS · share of sites in each country using one or the other

United States 379

1,467,206

United Kingdom 300

450,618

Germany 1,773

441,210

India 237

429,462

France 500

366,415

Canada 165

324,872

Brazil 114

303,175

Italy 1,471

243,977

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 Friendly Captcha sites · All HSTS sites