Google Personalized Search to users known through social networks. Google's search algorithm is driven by collecting and storing web history in its databases. For non-authenticated users Google looks at anonymously stored browser cookies on a user's browser and compares the unique string with those stored within Google databases. Google accounts logged into Google Chrome use user's web history to learn what sites and content you like and base the search results presented on them. Using the data provided by the user Google constructs a profile including gender, age, languages, and interests based on prior behaviour using Google services. When a user performs a
Web browser the browser. Virtually all URLs on the Web start with either "http:" or "https:" which means the browser will retrieve them with the Hypertext Transfer Protocol. In the case of "https:" the communication between the browser and the web server is encrypted for the purposes of security and privacy. Another URL prefix is "file:" which is used to display local files already stored on the user's device. Once a web page has been retrieved, the browser's rendering engine displays it on the user's device. This includes image and video formats supported by the browser. Web pages usually contain hyperlinks to