HSTS vs ThreatMetrix

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

Top sites by authority

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

United States 1,338,613

324

United Kingdom 411,483

136

India 404,554

138

Germany 400,616

111

France 326,363

110

Brazil 292,843

194

Canada 290,713

161

Italy 229,495

106

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 ThreatMetrix sites