Submitting to Online Directories is an important part of Search Engine Optimization.
These site will provide useful and powerful backlinks to your site which will enhance your site’s overall popularity. Remember that the three basic components of sucessful search engine optimization are:
1. Proper Keyword Selection
2. Content Optimization (On the page SEO)
3. Poularity (Backlinks or "Off the Page" SEO)
The balance of these three factors will make you sucessful. Online Directory Submission of your site will build the all important 3rd component of sucessful SEO.
Buildtelligence Recomends the following Directories as a "must have" in your arsenal of backlinks: