Before discussing about the importance of SEO we should know what it is actually. SEO or Search Engine Optimization is actually the procedure of improving the level or excellence of the traffic in a website from various search-engines by the means of natural or unpaid search results as contrasting to the search engine marketing or SEM which actually deals with the paid enclosure. The main importance of the SEO is that it generally makes the website appear higher or earlier in the list of the search results which attracts plenty of visitors from search engines. SEO generally targets different kinds of searches.