Link building has become so important to improve search engine positioning. There are many different ways of getting back linking. The number of backlinks is one indication of the popularity or importance of that website or page (for example, this is used by Google to determine the Page Rank of a webpage).

To get the best backlink, you should be do social bookmark and use to mostly social networking site.

If you wants a getting backlink then you should be:
-first your on-page analyses for keywords, anchor text etc.
- Do best off-page activity