In Search Engine Optimization, link building will help you to achieve a high keyword ranking. Search Engines will look for the backlinks to your site so the link building should be your number one strategy for high page rank. Here are some tips for your link building campaign.

1. Make Natural Links: Try to make natural link to your website . It will take some period of time but really help you to get high rank. One of the best way make natural links is blogging. Use your links in your signature in the blogs and comments. Don't link to multiple domain networks which are hosted on the same server or don't buy a series of links hosted from the same IP address.
2. Make link to both high and low ranking sites: Build links to your site from a good range of both high and low ranking sites. The page rank quality of those sites will appear natural to the search engines. It is very important to do this for new sites. Writing articles related to your site and submitting it to the article sites will help.
3. Determine highest value phrases: Find out what the visitors are searching for ans find out which phrases convert to sales. Once you find out these highest value phrases, apply those phrases in the anchor text you request from your link partners. These links will appear natural to the search engines and you will get highest Return Of Investment.

Link quality is far more important than link quantity and anchor text is more important than pagerank. By applying the above strategies, you will be able to do your link building campaign effectively and highly targeted to your main search phrases.