To ensure the proper functioning of the sites to save on your device sometimes small data files called. cookie. It is a common practice of most major Web sites.
A cookie is a small text file that a website stores on your computer or mobile device when browsing it. With the robots.txt file on a website some time keeps track of your steps and preferences (such as login name, language, font size, and display settings), making them the next time you visit and browse the individual pages you do not need to reproduce.
Cookies can control or delete discretion - for details, see the page aboutcookies.org. You can delete all cookies stored on your computer and most browsers, you can set it to them impossible to save them. In this case, you may need whenever you visit a website manually adjust some settings and some services and features will not work.