DDoS-Guard vs Yandex SmartCaptcha

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

Top sites by authority

DDoS-Guard · Yandex SmartCaptcha · 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

DDoS-Guard · Yandex SmartCaptcha · share of sites in each country using one or the other

Russia 65,971

325

Belarus 7,183

91

Kazakhstan 5,117

88

Germany 4,815

102

Netherlands 3,808

100

United States 3,558

88

Uzbekistan 2,830

71

Ukraine 2,749

66

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, Aug 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 DDoS-Guard sites · All Yandex SmartCaptcha sites