HSTS vs Very Good Security

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

Top sites by authority

HSTS · Very Good Security · 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

HSTS · Very Good Security · share of sites in each country using one or the other

United States 1,338,613

1,465

United Kingdom 411,483

171

India 404,554

206

Germany 400,616

86

France 326,363

85

Brazil 292,843

100

Canada 290,713

202

Italy 229,495

77

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 HSTS sites · All Very Good Security sites