The simplest explanation of SEO is obtained from its derivation, Search Engine Optimization. The key concept of the best SEO company is to make their website friendlier to search engines. This is done by some complex steps such as link building, creating elaborate content, posting visual aids, etc. These steps help the search engine in identifying your website and the purpose of it. Why do you need the search engine to understand and identify your website? Because then the search engine would place your website link in higher ranking which enables it to be on the first page of search results.