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Last updated: Feb 23 2015

This document provides an overview of cookies available in EPiServer.

Available cookies in EPiServer

EPiServer CMS uses the following cookies:

Cookie NamePurpose
ASP.NET_SessionId Session cookie sent to the web browser. Used when you open the browser and then go to a website that implements ASP.NET session state. This cookie is deleted when you close your browser.
EPi:NumberOfVisits Used if you are using the Number of Visits personalization criterion. This cookie will not be set if you remove it from all of your visitor groups.
.EPiServerLogin, EPiDPCKEY, .ASPXRoles Only used if you log in to a website. This is not a major problem as long as you clearly state on the login page that cookies will be used if you log in.
_utma, _utmb, _utmc, _utmz Google Analytics cookies that are commonly used on EPiServer websites. These third-party cookies are used to collect information about how visitors use the website.

Protecting visitors' privacy

According to EU directives website owners are responsible for informing visitors about cookies used on the site. Refer to the article Protecting Your Visitors’ Privacy According to EU Directive on Cookies for more information.


Do you have feedback on this documentation? Send an email to documentation@episerver.com. For development-related questions and discussions, refer to our Forums on https://world.episerver.com/forum/