All major search engine registrations are completed manually. Even though your site is listed with the major search engines, it is becoming increasingly difficult for users of those search engines to find it. And most viewers will click only on those listed on the first two or three pages. This can be particularly frustrating if you have a well-established brand. The goal with Search Engine Optimization is to have your site place as high as possible in the listings that a search engine returns as the result of a keyword query.
All search engines use fixed criteria in their indexing process, but they are all different.
With knowledge of the criteria used by the various search engines, it's possible to configure a Web page so as to optimize where it places in the list of query results. The goal is to have your pages positioned as high as possible in the lists produced by search engine queries on a particular keyword. This service is highly recommended if you are interested in protecting your brand. Link development lacks glamour and it requires tenacity and persistence. As a result it tends to be under-rated as an online promotional activity.