Cloudflare Turnstile vs HSTS

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

Top sites by authority

Cloudflare Turnstile · 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

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

United States 37,641

1,338,613

United Kingdom 14,542

411,483

India 13,743

404,554

Germany 12,483

400,616

France 12,183

326,363

Brazil 41,300

292,843

Canada 10,486

290,713

Italy 9,658

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 Cloudflare Turnstile sites · All HSTS sites