- SEO positioning -

The term search engine optimization (in English Search Engine Optimization, acronym SEO) means all those activities aimed at improving the crawling, indexing and positioning of information or content present on a website, by crawlers (also called bots) of search engines (such as Google, Yahoo!, Bing, Yandex, Baidu etc.) in order to improve (or maintain) positioning in the SERPs (pages to answer questions from web users). Thanks to the SEO optimization techniques it is possible to improve the positioning (ranking) of a website on search engines and, consequently, to increase the volume of organic traffic [1]. SEO optimization can be complemented or integrated by differentiation in search engines, an operation that aims to increase direct traffic. The organic results higher 

in the SERP they are more likely to be displayed and therefore to be possibly clicked in a higher percentage by users, compared to those displayed in the middle and lower part of the page. SEO activities are varied and can be divided into on page (ie on the web page) and off page (activities carried out on elements external to the site) and are based on a long list of ranking signals, called "SEO factors". SEO (search engine optimizer - which has the same acronym as the activity it carries out) is a professional figure specialized in search engine optimization. SEO works in close contact with other figures related to the world of web marketing, such as developers, graphic designers, marketing experts in social networks, etc., professionalism that can hardly be covered by a single person