Quote Originally Posted by chucknorris View Post
Maybe you have a bad IP from you ISP, they share an IP between multiple customers, and the IP you share is marked for spam, maybe that's why you face captcha on most sites.
This, or you're using a VPN. WHen I browse through my VPN I see a LOT more captchas, on EVERY site. But that's on purpose, for security reasons and expected.