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 15,067

97,418

Brazil 3,012

48,788

Spain 3,929

47,706

Japan 3,641

42,353

France 4,159

40,734

United Kingdom 6,435

35,181

Italy 3,301

36,640

Germany 3,812

32,992

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 Imperva sites · All Really Simple SSL & Security sites