A cookie is a small text file that websites you visit ask to save on your computer. Cookies are used on to give visitors access to various functions. It is possible to use the information in a cookie to follow a user's surfing.

There are two types of cookie. One type saves a file on your computer for a long time. It is used for example for functions that tell you what is new since you last visited the particular website. The other type is called a session cookie. This cookie is saved in your computer's memory during the time you are on a particular website, to keep track of which language you have selected, for example. Session cookies are not saved on your computer for a long time, but disappear when you leave the website.

Cookies are completely harmless and are used on most modern websites.

The Swedish Post and Telecom Authority, which is the supervisory authority in this area, has more information about cookies on its website,