This is a well-known fact that most of the successful or most visited websites get their 90% or above traffic via search engines. Those websites can get this kind of traffic from search engines only if they get higher ranking in search results. To get this kind of higher ranking in search results, those websites take the help of proper SEO methods and they get more visitors and benefits on their websites.
The most amazing thing about SEO is that you not only get more visitors on your website, but you get many other advantages as well. These benefits include better optimization of your website, more return of investment and clarity. Other than this, it is also a cost-effective method of promotion because advertising is a very costly method and that fail to reach all the people. At the other hand, SEO is a more cost effective method and its reach is also wise compared to other promotion options.