Nowadays, Facebook is very popular. Most of friends have a Facebook account. Moreover, you may have few hundreds people in your friends. But, have you ever thought to use it as a tool to your website? 

Firstly, they are all friends. You have a good relationship with them. I believe they are interested to visit your website. They are your most valuable target audiences. I believe that is more helpful than you have a link on some popular web portal with thousands of people viewed your link. But maybe they have not paid attentions to that. 

Secondly, Facebook has some good tools to let your friends know about your website. You can put your URL of website in your profile.  Yes, that is a common feature. What I like to use “notes” and “posted items”. When my blogs have any major changes, I post a note to update all of my friends. When I wrote any good articles, I will post a link in “posted items” to draw my friends’ attention. If your website are related with a real entity, you can create a page with your website. Your friends can become a fan of your website. 

Facebook is helpful to promote your website and that is FREE!