Search engines are one of the main pillars in the field of e-marketing, so can not in any way be ignored when considering the promotion of any product or commodity or service on the Internet
Can respond to two main reasons:
The first reason is free to deal with the many search engines such as Google, Yahoo and BingSo that these engines that index your site easily through techniques is described and illustrated later.
The second reason (and perhaps more importantly) is the reference of these engines, fame and being a key tool to search through the information network, both through the service provided by the search and indexing or for many other services provided by the web surfers