What is a cookie?
A cookie is a small text file that a Web site wants to save on your computer. Cookies are used on many websites to give visitors access to various functions. The information is able to be used to monitor a user’s surfing on sites that use the same cookie.
There are two types of cookies. The first saves a file for a longer time on your computer, which means that the cookie has an expiration date. It is used for functions that tell you what is new since the user last visited the web site. When the expiration date cookie is deleted when the user returns to the site that created it.
The other type of cookie is called session cookies and have no expiration date. Meanwhile, a user is surfing on a site this cookie is stored temporarily in the user’s computer’s memory, for example to keep track of the language of his choice. Session cookies are not stored for a long time on the user’s computer, but disappear when the user closes their browser.
What are cookies used for?
Here are a few examples of what cookies can be used to:
Cookies are often used to log on to websites. When someone logs on to a Web site places a cookie on his computer. At each paging the user’s computer sends the cookie to the website are visiting and using this site may find that the user is logged and the user will not use the username and password for each new page.
On websites that sell goods, cookies are used to make it easy to shop. With the help of cookies, the website can keep track of which items the user has “put in his cart.”
Cookies allow websites to register the people who visited the pages. The information can then be used to select the right ad, or otherwise customizing the pages person will see through advertising and customized content. Many cookies used for advertising and customized content is third-party cookies.
Cookies can be used when a user himself wants to customize Web sites for their user preferences. It may e.g. apply to requests for design of a site that you visit frequently, if appropriate contrast or font size or custom sort or selection.
Most websites monitors traffic through web statistics to improve the site, justify expenses and to learn more about their audiences. Many cookies are used for web statistics are third-party cookies.
Cookies may also be used to keep track of who votes in a poll to avoid a user voting multiple times.
What are third-party cookies?
Cookies are used for example to gather information for advertising and customized content, and web statistics may be so-called third-party cookies. These cookies come from someone other than the person responsible for the site, for example, an advertising company through a so-called banner. An ad firm can place ads or statistics services that map browsing habits of users on many different sites. The visitor’s browsing habits can potentially be identified at all sites that use the same ad or statistics service.
Third-party cookies makes it possible to create more comprehensive surveys of user surfing habits and why they are considered more sensitive from a privacy perspective. It is available in most browsers the opportunity to set the third-party cookies are not accepted.
What is flash cookies?
Flash cookies are a technical construction similar to cookies. Almost all browsers have a so-called Flash Player used to view Flash presentations. A well-known example of Flash presentation is the video player on the video site YouTube. (Flash cookies are not only associated with YouTube, but applies to all websites that use Flash cookies).
A Flash cookie can be used to store user preferences such as volume. The difference between ordinary cookies and Flash cookies are hinting that when the user configures the handling of the browser’s cookies covered only regular cookies, Flash cookies are not. A Flash cookie is also much larger than a regular cookie and therefore take up more space on the hard drive. A Flash cookie also lacks time limits. They consist until someone deletes them.