HSTS vs Imperva

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

Top sites by authority

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

United States 1,338,613

12,595

United Kingdom 411,483

5,384

India 404,554

4,818

Germany 400,616

3,297

France 326,363

3,452

Canada 290,713

4,837

Brazil 292,843

2,690

Italy 229,495

2,969

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 Imperva sites