Cookie usage

Cookies are used for various types of website tracking, for example browser sessions.

Optimizely Content Management System (CMS) uses the following cookies:

Cookie Name	Purpose
apt.uid, apt.sid	Used for telemetry data.
.AspNetCore.Antiforgery.#	Strictly necessary. Used by the Optimizely security components. Protects the user against cross-site request forgery (CSRF). Used only by the CMS UI. This cookie is deleted when you close your browser.
.AspNetCore.Identity.Application	Strictly necessary. To keep users logged in for the duration of their browsing session.
EPi:NumberOfVisits	Functionality-related. Stores the number of times you access pages on the site to allow personalization of content based on the frequency the site content is viewed. Used with the Number of Visits personalization criterion. This cookie is not set if you remove it from all of your visitor groups. Persistent (1 year from creation).
EpiStateMarker	Functionality-related. Indicates how session based information on the visit should be stored, using sessions or cookies.
ImageEditorFileSize	Used by the Image Editor.
_utma, _utmb, _utmc, _utmz	Google Analytics cookies that are commonly used on Optimizely websites. These third-party cookies are used to collect information about how visitors use the website.

Protect visitors' privacy

According to EU directives, website owners are responsible for informing visitors about cookies used on the site. See the blog post: Protect Your Visitors’ Privacy According to EU Directive on Cookies.