SEO (Search Engine Optimization, programme Optimization) could be a comprehensive development and promotion of a web site to succeed in the primary positions in computer program results (SERPs) for selected queries so as to extend traffic and further generate income. The higher the ranking of the site in the search results, the more users go to it. increasing the compliance of pages with search queries (relevance), optimization of structure and content, improvement of commercial factors, optimization of the page code, building up external factors of the resource's significance. Optimization rules are set by search engines. Each of them uses and regularly updates its own ranking algorithms, which are made up of many factors. And although the formulas are kept secret, experts know which factors have the most weight. By acting on them, you can improve the position of key queries in search results. User behaviour, user-friendliness and site loa...