Within the set of Digital Marketing Services, search engine optimization plays an important role in driving valuable online traffic and Sales Avenue to a business offering it an extensive web presence as well as placement on the first page of SERP (Search Engine Ranking Pages) of Google, Bing and other search engines. The revenue impact of, SEO, can be estimated from the fact that a website appearing on the Google’s first page always will have the better opportunity to do business, than the rest one on other pages as well. A website on a SERP page always will have the best chances to generate business leads.