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 210

1,338,613

United Kingdom 101

411,483

India 118

404,554

Germany 122

400,616

France 135

326,363

Brazil 70

292,843

Canada 123

290,713

Italy 89

229,495

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 Basic sites · All HSTS sites