About cookies

A cookie is a small text file that is stored on your computer and contains information. Cookies are used to improve the user experience for visitors.

Session cookies

We use the following session cookies:

  • ARRAffinity
  • Epi:StateMarker
  • _cfduid

No personal data is stored in these cookies.

Tools for analysis

The site uses Application Insights to measure technical performance and errors. To be able to do that the following cookies are used:



No personal data is stored in these cookies.

The website uses Matomo to collect and analyse usage statistics. These statistics are used to develop and improve the website. Matomo is hosted in Sweden and the data that is collected is anonymized. The following cookies are used:

  • _pk_id – sets a unique, randomly created user ID
  • _pk_ses – saves momentary data about the visit on the website
  • _pk_ref – attribution information regarding reference to the website
  • _pk_cvar – saves data about the visit on the website
  • MATOMO_SESSID – is used to momentary prevent CSRF security issues
  • Piwik_ignore – impersonal value saved when choosing exclusion from being tracked
  • mtm_consent – is created when visitors are asked for concent to be tracked
  • mtm_cookie_consent – is created when visitors has given their consent to store and use cookies


There are specific cookies for the community. These cookies are used for functionality and safety reasons.

  • _csrf – is used to prevent cross-site request forgery (CSRF)
  • express.sid – is used to keep track of the session when a user visits the community

No personal data is stored in these cookies.

To avoid cookies

If you don´t want to accept cookies you can configure your browser to automatically refuse to store cookies or inform you every time a website requests to store a cookie in your browser. Previously stored cookies can also be deleted through the browser. The exact procedure depends on which browser you are using. See the browser's help pages for more information.

Q&A about cookies on the Swedish Post and Telecom Authority´s website