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 73,946

99

Belarus 8,363

57

Germany 6,351

64

Kazakhstan 6,077

54

United States 5,239

61

Netherlands 4,400

59

Uzbekistan 3,504

55

Ukraine 3,307

52

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 DDoS-Guard sites · All Yandex SmartCaptcha sites