It is critical to have quality of incoming links . Four links from reputable sites are worth more than a hundred links from disreputable sites .Link popularity is determined by the quantity, level of agreement, and quality of links that the search engine has found for your web site.

Links are the ultimate driving force behind all Search Engines today. A quality back link not only helps in Search Engine Ranking but is also capable of developing your brand as well bringing quality targeted traffic to your site.

The importance of link popularity varies with each search engine, but the basic premise is that every link to your web site is an endorsement of your site's quality, and the more endorsements you have, the higher your site is likely to be listed.

Visibility of your site- Having a number of quality text links on your site makes it visible to the search engines. As far as link building is concerned quality is more important than quantity. Another key factor to be considered is the relevancy of the links that you get. For increased relevancy place optimized text around your links. This "surrounding text" technique increases the power of your links.

Link text variation- Too many text links with the same link text will not give you the desired results. Hence it is always better to vary your link text and replace it with related keywords. This ensures maximum results for your site. Also instead of just promoting your home page, you can improve the rankings of all important pages by slightly varying your URL.

Improves search engine ranking- The ultimate aim of link building is to improve the ranking of your site. A well planned and implemented link building campaign not only increases your rankings with all the major search engines but also brings targeted traffic to your site. This means that you are able to get a high return on investment.

Obtaining relevant and quality links from another site is a great success in the search engine optimization process. The only important factor to consider is the page rank of linking sites and content relevancy.

There are some strategies that must be implemented for link building to obtain search engine optimization. By following these strategies you can be sure that your site will rank above those of your competitors.