Blizard Computer Service

Also known as browser cookies or tracking cookies, cookies are small, usually encrypted text files, located in your browser's directory.

They are used by publishers on the Internet to help users navigate websites and perform certain functions. Thanks to their core role of enhancing usability or site functions, completely disabling cookies may prevent users from using certain websites.

This is how some sites know when you return and keep you logged in, or will display a particular page that you like. Often a cookie may be  used to show some content only once – say a popup or pop-under or some other advertisement that shows only the first time you visit a site and  not every single time you change pages or revisit.

Cookies are created when your browser loads a particular website. The  website sends information to the browser which then creates a text  file. Every time the user goes back to the same website, the browser  retrieves and sends this file to the web server.

Cookies are created not only by the website that the user is browsing  at any particular moment, but also by other websites that run ads,  widgets, or other page elements. These cookies govern how the ads appear  or how the widgets and other elements function on the page. 

Websites set cookies to help authenticate a user if the user logs  into a secure area of a website. Login information or credentials are  stored in a cookie so that the user may enter and exit the website  without having to re-type the same login information over and over  again. 

Session Cookies are used by the web server to store information about  user page activities so users can easily pick up where they left off on  the server's pages. Without using such cookies, a webpage can not  ‘remember' where you were on your last visit – this can only be done  with the use of session cookies. Session Cookies tell the server what  pages to show the user so the user doesn't have to remember where he/she  left off or start navigating the site all over again. Session Cookies  function almost like a "bookmark" when used on such a site. Similarly,  cookies can store ordering information needed to make shopping carts  work instead of forcing the user to remember all the items the user put  in the shopping cart. This is very useful if your system experiences a  disruption in connectivity or your computer ‘crashes' while you are in  thr process of filling a shopping cart.

Persistent Cookies store user preferences. Many websites allow users  to customize exactly how information is presented through site layouts  or themes. These customization make the site easier to navigate and/or  lets user leave a part of the user's "personality" at the site. 

Cookies are NOT viruses. Cookies use a plain text format. They are not compiled pieces of code so they cannot be executed nor are they  self-executing. Accordingly, they cannot make copies of themselves and  spread to other networks to execute and replicate again. Since they  cannot perform these functions, they fall outside the standard virus  definition.

Cookies CAN be used for malicious purposes though. Since they store  information about a user's browsing preferences and history, both on a  specific site and browsing among several sites, cookies can be used to  act as a form of spyware. 

The way responsible and ethical web developers deal with privacy  issues caused by cookie tracking is by including clear descriptions of  how cookies are deployed on their site. Privacy Policy Online strives to  help web developers generate clear and easy-to-understand information  for web publishers to include on their web pages.

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