Basic vs HSTS

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

Top sites by authority

Basic · 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

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

United States 233

1,467,206

United Kingdom 116

450,618

Germany 146

441,210

India 123

429,462

France 154

366,415

Canada 141

324,872

Brazil 78

303,175

Italy 103

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 Basic sites · All HSTS sites