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 212

1,348,640

United Kingdom 99

403,486

Germany 120

403,347

India 124

400,388

France 128

317,870

Brazil 64

290,538

Canada 116

289,821

Italy 92

219,709

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 Basic sites · All HSTS sites