Imperva vs Really Simple SSL & Security

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

Top sites by authority

Imperva · Really Simple SSL & 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

Imperva · Really Simple SSL & Security · share of sites in each country using one or the other

United States 12,595

80,589

Spain 3,521

43,010

Brazil 2,690

41,568

Japan 3,197

35,636

France 3,452

33,645

Italy 2,969

32,129

United Kingdom 5,384

29,199

Germany 3,297

27,743

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 Imperva sites · All Really Simple SSL & Security sites