How to get more visitor

hello
i have a social networking site http://clikaus.com just 3 month old and it's has already 2100 members (from 8000visitor) which I totally manually bring people(social media).but i want to more visitor and members from search enngine how to increase more visitor and members from search engine …how to get please suggest me.
How to get more visitor

See original post by maupama gayen