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 1,467,206

15,067

United Kingdom 450,618

6,435

Germany 441,210

3,812

India 429,462

5,536

France 366,415

4,159

Canada 324,872

5,606

Brazil 303,175

3,012

Italy 243,977

3,301

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, Jun 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