Actually search engine is one of the most important ports of your website that let other people know about your website therefore the important of search engine cannot be denied since it a basic   port to make your website successful. Even a common man can have a well knitted and decorated website but without or in the absence of a professional search engine submission no body will know about your will designed websites. This it is a way of submitting a website address(URL) to a search engine for inclusion within its index so that it can be found when the relevant query is typed into the search engine search engines are managed to find out what your website is about what they need is to find text  and links on your web pages and they also need to find the keywords for which you need to have rankings on your web pages.
Before you submit your web pages to search engines it is necessary for you   to be save whether they are optimized with your important keywords or not to get special search engine target.

Finally it can be stated that increasing the number of quality links to your web site is considered the most important technique or method which is involved in link popularity to increase the traffic to your website and make your search engine rankings much better.