| act | Required | .facebook.com | Used to distinguish between two Facebook sessions for the same user, created at different times. | Session |
| c_user | Required | .facebook.com | The Facebook user ID of the currently logged-in user. | 90 days |
| fblo_ | Required | www.nerdspot.events | Used to log in users via Facebook. | 6 months |
| fbm_ | Required | www.nerdspot.events | Used to log in users via Facebook. | 3 months |
| user-is-logged-in | Required | www.nerdspot.events | Saves that the user is/was logged in. | 31536000 seconds |
| LF9x | Required | www.nerdspot.events | Unique ID that identifies the user's session. | 14000 seconds |
| datr | Marketing | .facebook.com | Used to identify the web browser used to connect to Facebook regardless of the user logged in. | 2 years |
| _fbp | Marketing | .facebook.com | Used by Facebook to display a range of advertising products, such as real-time bids from third party advertisers. | 3 months |
| fr | Marketing | .facebook.com | Used to show and measure ads and improve the relevance of ads (including measurement of conversions). Determines the relevance of ads based on site behavior and/or current search queries. | 3 months |
| sb | Marketing | .facebook.com | Used to show and measure ads and improve the relevance of ads (including measurement of conversions). Determines the relevance of ads based on site behavior and/or current search queries. | 2 years |
| spin | Marketing | .facebook.com | Set by Facebook at login - exact usage unknown. | 25 hours |
| Marketing | www.nerdspot.events | Used to collect consent for tracking the user ID in Matomo. No cookie is set. | |
| Marketing | www.nerdspot.events | Used to collect consent for tracking the user email in Matomo. No cookie is set. | |
| wd | Statistics | .facebook.com | This cookie stores the dimensions of the browser window and is used by Facebook to optimize the display of the page. | 7 days |
| _GRECAPTCHA | Statistics | https://www.google.com | Cookie set by Google reCAPTCHA to protect the site from spam by bots. | 180 days |
| mtm_consent | Statistics | www.nerdspot.events | Used to remember that consent was given by the user. | Unlimited |
| _pk_cvar.* | Statistics | www.nerdspot.events | Used to temporarily store data for the visit. | 30 minutes |
| _pk_hsr.* | Statistics | www.nerdspot.events | Used to temporarily store data for the visit. | 30 minutes |
| _pk_id.* | Statistics | www.nerdspot.events | Used to store details about the user (e.g. a unique visitor ID) | 13 months |
| matomo_ignore | Statistics | stats.pcsg-server.de | Flags the user as ignored from tracking. | Unlimited |
| _pk_ref.* | Statistics | www.nerdspot.events | Used to store the attribution information (e.g. the referrer initially used to visit the website). | 6 months |
| _pk_ses.* | Statistics | www.nerdspot.events | Used to temporarily store data for the visit. | 30 minutes |
| MATOMO_SESSID | Statistics | www.nerdspot.events | Created when opt-out feature is used. Helps prevent CSRF security issues. | Temporary |
| _pk_testcookie.* | Statistics | www.nerdspot.events | Used to check whether the visitor’s browser supports cookies. | 1 second |
| xs | Preferences | .facebook.com | This cookie contains multiple information about the user's session. | 3 months |