There are many ways to rank your website.
Some algorithm showed under the below:
1. forum posting
2.blog commenting
3. answer posting
4. article submission
4. web2.0
5. directory submission
6. social bookmarking
if you follow this step hardly you can increase traffic for your page ranking. for more details about
how to increase website traffic here is my blog you learn new thing and it's very useful for every person.