Referring Websites.

Greetings BHW!

I have been getting visits from this darodar.com and some bullsht sites i didnt post my link in this sites. and they have been visiting for the last 1 month with 100% bounce rate, what is this? How can i block this sites?

Thank you and Happy New year!

http://www.javascriptkit.com/howto/htaccess14.shtml

http://www.htaccess-guide.com/deny-visitors-by-referrer/