Reference - Kentico cookies

The following table describes the cookies used in Kentico, and lists the level of each cookie:

Cookie name	Level	Description
CMSCookieLevel	System	Specifies which cookies are allowed by the visitor.
ASP.NET_SessionId	System	Keeps the user session ID for security reasons.
CMSCsrfCookie	System	Store’s a security token that the system uses to validate all form data submitted via POST requests. Helps protect against Cross site request forgery. Note: The Level of CMSCsrfCookie was changed to System in hotfix 9.0.44 (to avoid errors for users who disable all cookies). In older versions, the cookie has the Essential level.
CMSPreferredCulture	Essential	Stores the visitor’s preferred content culture.
CMSMobileRedirected	Essential	Indicates if the visitor has been redirected to the mobile version of the website by the Mobile device redirection web part.
CMSCurrentTheme	Essential	Stores the name of the current visual theme to provide proper design to the dialog windows.
Webauthtoken	Essential	Live ID authentication cookie.
CMSForumPostAnswer	Essential	Keeps a list of Question-Answer forum posts in which the user user voted for an answer to prevent repeated votes.
CMSVotedPolls	Essential	Keeps a list of polls where the user voted to prevent repeated votes.
CMSRatedDocuments	Essential	Keeps a list of pages that the user rated to prevent repeated votes.
CMSShowDesktopVersion	Essential	Indicates that the visitor has switched to the desktop (default) version of the website from a specific device profile.
.ASPXFORMSAUTH	Essential	Stores the user’s encrypted authentication ticket when using forms authentication.
CMSPreferredUICulture	Editor	Stores the preferred UI culture of the user.
CMSViewMode	Editor	Stores the user’s current view mode (Edit, Preview, Design, etc.).
CMSUserWords	Editor	User’s custom word dictionary kept by the spell checker.
DisplayContentInDesignMode	Editor	Remembers the user’s setting of the Web part content checkbox on the Design tab (for example in the Pages application).
DisplayContentInUIElementDesignMode	Editor	Remembers the user’s setting of the Web part content check box on the Design tab of UI elements.
CMSMacroDesignerTab	Editor	Remembers the last active tab of the Edit macro condition dialog.
CMSSplitMode	Editor	Remembers the state of the language version split-view mode when editing multilingual websites.
CMSPreviewState	Editor	Stores the user’s latest page design preview preferences.
CMSPropertyTab	Editor	Remembers the last active tab of the Properties section in the Pages application.
CMSViewTab	Editor	Remembers the last active tab of the View section in the Preview mode of the Pages application.
CMSValidationTab	Editor	Remembers the last active tab of the Validation section in the Preview mode of the Pages application.
CMSEdVariantSliderPositions<templateid>	Editor	Remembers the position of the variant slider when defining variants for MVT or Content personalization.
CMSWebPartToolbarCategory	Editor	Stores the selected web part category on the web part toolbar.
CMSWebPartToolbarMinimized	Editor	Remembers if the user minimized the web part toolbar on the Design tab.
CMSCurrentDeviceProfileName	Editor	Stores the selected device profilewhen editing pages.
CMSCurrentDeviceProfileRotate	Editor	Remembers whether the device preview uses the landscape or portrait view.
CMSUniGraph	Editor	Stores the user’s Snap to grid preference in the advanced workflow and marketing automation designer.
CMSSessionToken	Editor	Stores the token used by the web service that provides the advanced workflow and marketing automation designer.
ABSelectorState<ABtestname>	Editor	Stores the state of the selectors on AB test overview page.
VisitorStatus	Visitor	Indicates if the visitor is new or returning. Used for tracking the visitors statistic in Web analytics.
Source	Visitor	Stores the channel which the user came from (e.g., email, Facebook, Twitter, etc.).
Campaign	Visitor	Stores the web analytics Campaign assigned to the visitor.
TrackedCampaigns	Visitor	Stores all the web analytics Campaigns, which should be tracked within a JavaScript snippet.
UrlReferrer	Visitor	Stores the URL referrer from which the user arrives on the website.
CurrentContact	Visitor	Stores the GUID of the contact related to the current site visitor. Used to track activities on the website.
CMSAB<ABtestname>	Visitor	Used to track conversions for the test and maintain consistent page content for the visitor.Stores the name of the page variant assigned to the visitor, the list of performed conversions and information whether visitor is included in A/B testing specified by an A/B test.
CMSMVT<mvtestname>	Visitor	Stores the combination of variants assigned to the visitor by an MVT test. Used to track conversions for the test and maintain consistent page content for the visitor.
CMSNoTestMVT<templateid>	Visitor	Stores the currently selected MVT combination for editors in the administration interface.
CMSShoppingCart	Visitor	Stores a GUID reference to the user’s shopping cart. Allows the system to recover the shopping cart for unregistered customers, even after it is cleared from the cache (for example after an application restart).
CMSBodyClass	Visitor	Body element class to provide accessibility standards.
CMSEd<GUID>Current	Visitor	Stores the current step of Wizard layout web parts.
ChatLoggedInToken	Visitor	Stores the login state for the Chat application (indicates if the user is in the online state).
ChatSupportLoggedInToken	Visitor	Indicates if the user is logged in to the support chat.
<Window name>_<Group ID>_roomID	Visitor	Stores bindings between groups of chat web parts and chat rooms (for a specific window or tab).
chat_autoinitchat_displayed_<GUID>	Visitor	Remembers if the Automatically initiated chat web part was shown to the user (prevents multiple chat initiation messages).
chat_kick_roomid_<room ID>	Visitor	Indicates that the user was kicked from the specified chat room (and is not allowed to return).
StrandsSBS_*	Visitor	Used by the Strands Recommender solely for its own purposes. The cookies are managed on the Strands side.
CMSStrandsTrackEvent_*	Visitor	Stores persistent HTTP context after a page is reloaded. Used for tracking of shopping cart events.
__openid_selector_*	Visitor	Stores OpenId user identification for authentication purposes.

Third party cookies

Third party	Cookie level	Notes
Social media	All (by default)	Social media integration web parts use the corresponding social media’s cookies. If social media web parts are not displayed on your pages, lower the default social media cookie level using this web.config key. Example - Settings social media cookie level to Visitor `<add key="CMSSocialMediaCookieLevel" value="200" />`
CKEditor	-	CKEditor cookies may be stored for users working with the WYSIWYG editor.
51D	All	Used when the system is configured for 51degrees.mobi mobile device detection.