產品與服務

flag-cn

Menu

map

Various types of CAPTCHA to defense bot attacks

tab-icon
tab-icon
tab-icon
tab-icon
Loading...

Intelligent mode

In this mode, ONLY high risk visitors will be provided with CAPTCHA challenge. The system will automaticly decide to let user pass the test, pop out Slide or Icon CAPTCHA challenge based on the detected risk.

Security:
User experience:
to-top--btn
3d直选杀号