Tips to increase traffic on site:
1) Give more back link.
2) Use forum posting techniques.
3) Do article submission.
4) Do directories submission.
5) Use bookmarking.

Some SEO tips are:
1) Concentrate on keyword.
2) Provide back links more and more.
3) Do more blogging.
4) By doing article submission.
5) Update knowledge always and provide new content to increase traffic.

SEO stands for Search Engine Optimization. It was techniques which was used in on line marketing to increase traffic on our site. These help to promote our site without paying any thing. By using this techniques we can improve rank of our site in Google.