Show user data column.   (Uncheck to hide user data. You can still click the toggle box on the main pages if you need to show or hide data temporarily.)

Settings use your device cookies if you are not logged in. If you do not allow cookies, or your browser is set to delete cookies on closing, then these settings will not work and the browser will always show default values = "Show".     Browsers let you exempt specified websites from your standard cookie settings.

If you are logged in, your Settings are stored on the server and will override settings of unlogged users.