| test_cookie | Is set as a test to check whether the browser allows cookies to be set. Does not contain any identification features. | 15 minute | Google |
| IDE | Contains a randomly generated user ID. Using this ID, Google can recognize the user across different websites across domains and display personalized advertising. | 1 year | Google |
| _gcl_au | Contains a randomly generated user ID. | 90 day | Google |
| _gcl_aw | This cookie is set when a user clicks on a Google ad on the website. It contains information about which ad was clicked. | 90 day | Google |
| xs | Used to maintain a Facebook session. It works in combination with the c_user cookie to authenticate the user's identity on Facebook. | 1 year | Facebook |
| fr | Used to serve advertisements and measure and improve their relevance. | 90 day | Facebook |
| m_pixel_ratio | Performance cookie used by Facebook with Facebook pixels. | session | Facebook |
| wd | Used for analysis purposes. Technical parameters are logged (e.g. aspect ratio and dimensions of the screen) so that Facebook apps can be displayed correctly. | 7 day | Facebook |
| dpr | Used for analysis purposes. Technical parameters are logged (e.g. aspect ratio and dimensions of the screen) so that Facebook apps can be displayed correctly. | 7 day | Facebook |
| sb | Used to save browser details and Facebook account security information. | 2 year | Facebook |
| dbln | Used to save browser details and Facebook account security information. | 2 year | Facebook |
| spin | Cookie for advertising purposes and reporting on social campaigns. | session | Facebook |
| presence | Contains the "Chat" status of a logged in user. | 1 month | Facebook |
| x-referer | Performance cookie that is used by Facebook in combination with Facebook pixels. | session | Facebook |
| cppo | Cookie for statistical purposes. | 90 day | Facebook |
| datr | Identifies the browser for security and website integrity purposes, including account recovery and identification of potentially compromised accounts. | 2 year | Facebook |
| locale | Saves language settings. | session | Facebook |
| _fbp | A cookie for Facebook advertising that is used to track and improve relevance and to serve ads on Facebook. | 90 day | Facebook |
| _fbc | A cookie for Facebook advertising that is used to track and improve relevance and to serve ads on Facebook. | 90 day | Facebook |
| UserMatchHistory | This cookie is used to synchronize the LinkedIn Ads IDs. | 30 day | LinkedIn |
| AnalyticsSyncHistory | This cookie saves the time at which the user was synchronized with the "lms_analytics" cookie. | 30 day | LinkedIn |
| li_oatml | This cookie is used to identify LinkedIn members outside of LinkedIn for advertising and analysis purposes. | 30 day | LinkedIn |
| lms_ads | This cookie is used to identify LinkedIn members outside of LinkedIn. | 30 day | LinkedIn |
| lms_analytics | This cookie is used to identify LinkedIn members for analysis purposes. | 30 day | LinkedIn |
| li_fat_id | This cookie is an indirect member identification that is used for conversion tracking, retargeting and analysis. | 30 day | LinkedIn |
| li_sugr | This cookie is used to determine probabilistic matches of the identity of a user. | 90 day | LinkedIn |
| U | This cookie identifies the user’s browser. | 3 month | LinkedIn |
| _guid | This cookie is used to identify a LinkedIn member for advertising via Google Ads. | 90 day | LinkedIn |
| BizographicsOptOut | This cookie is used to determine the rejection status for tracking by third-party providers. | 10 year | LinkedIn |
| lidc | This cookie makes it easier to select LinkedIn's data center. | 24 hours | LinkedIn |
| aam_uuid | This cookie is used for ID synchronization with Adobe Audience Manager. | 30 days | LinkedIn |
| AMCV_XXX_at_AdobeOrg | This cookie contains a unique identifier for the Adobe Experience Cloud. | 180 days | LinkedIn |
| li_mc | This cookie is used as a temporary cache. It is used to have the user's consent information from the database available client side. | 2 years | LinkedIn |
| lang | This cookie stores the language settings of a user. This ensures that the LinkedIn.com website appears in the language selected by the user. | session | LinkedIn |
| twll | This cookie is set when Twitter is embedded on the page. Twitter collects data that is mainly used for tracking and targeting. | 4 year | Twitter |
| secure_session | This cookie is set when Twitter is embedded on the page. E.g. Twitter's like or sharing functions. | 14 year | Twitter |
| guest_id | This cookie is set by Twitter when a visitor shares content from the WU website on Twitter. | 2 year | Twitter |
| personalization_id | This cookie is set by Twitter to measure the performance of Twitter advertising campaigns in a user's browsers and devices | 2 year | Twitter |
| remember_checked | This cookie is set by when Twitter is embedded on the page. Twitter collects data that is mainly used for tracking and targeting. | 4 year | Twitter |
| remember_checked_on | This cookie is set when Twitter is embedded on the page. E.g. Twitter's like or sharing functions. | 4 year | Twitter |
| mbox | This cookie is intended for identifying Twitter users, for analyzing interaction with the Twitter Service and advertising whitin the service. | 2 years | Twitter |
| guest_id_ads | This cookie is set due to Twitter integration and for sharing content to social media. | 10 months | Twitter |
| d_prefs | This cookie ist used to check referral links and the login status. | 90 days | Twitter |
| ct0 | This cookie is set due to Twitter integration and sharing capabilities for the social media. | 10 months | Twitter |
| kdt | This cookie is used to monitor the users login status on Twitter. | 10 months | Twitter |
| guest_id_marketing | This cookie is set for tracking and analytics purposes. | 10 months | Twitter |
| twid | This cookie checks if you are logged in to Twitter during a browser session. | 1 year | Twitter |
| auth_token | This cookie is required for authentication and checks whether the user is logged in. | 10 months | Twitter |
| external_referer | This cookie collects statistical data, including how often you visit Twitter and how long a user stays on Twitter. | 1 day | Twitter |
| NID | This cookie contains a unique ID that is used to save user-specific settings and other information, in particular your preferred language, how many search results should be displayed per page and whether the Google SafeSearch filter should be activated. | 6 month | YouTube |
| 1P_JAR | This Google cookie is used to optimize advertising, to provide ads that are relevant to users, to improve reports on campaign performance or to prevent a user from seeing the same ads multiple times. | 1 month | YouTube |
| CONSENT | This cookie is used to support Google's advertising services. | 20 year | YouTube |
| OTZ | Aggregated analysis of website visitors. | 17 day | YouTube |
![[Translate to English:] D3](/fileadmin/wu/_processed_/1/4/csm_103-Mobil-375_v1_afd87a5f50.jpg)
![Sylvia Auer, MSc (WU) [on maternity leave]](data:image/jpeg;base64,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 "Sylvia Auer, MSc (WU) [on maternity leave]")