The following cookies are used for various purposes in DXP.
|ARRAffinity||Strictly necessary. Routes the request made through a web browser to the same machine in the DXC cloud environment. See ARRAffinity - Microsoft Azure. This cookie is deleted when you close your browser.|
|\_\_cfuid||Strictly necessary. Speeds up page loading times and overrides any security restrictions that may be applied to a browser based on the IP address from which it comes. Persistent (1 year from creation). See CloudFlare cookies.|
|ai_session||Used with Microsoft Application Insights for collecting statistical usage and telemetry information. Unique anonymous session identifier cookie.|
|ai_user||Used with Microsoft Application Insights for collecting statistical usage and telemetry information. Unique user identifier cookie for counting the number of users accessing an application over time.|
|TiPMix||Used in Azure during deployments to pin a user session to a deployment slot.|
|x-ms-routing-name||Used in Azure during deployments to route to deployment slots.|
See [Optimizely platform cookies](🔗) for Optimizely Content Management System (CMS) 12 for information about other cookies used in the Optimizely platform.