Service providers may participate in self-regulatory programs that provide ways to opt out of analytics and interest-based advertising, which you can access at:
On mobile devices, advertising IDs provided by the platform may be collected and used similar to cookie IDs. You may use the controls on iOS and Android operating systems that allow you to limit tracking and/or reset the advertising IDs.
Most email clients have settings which allow you to prevent the automatic downloading of images, which will disable web beacons in the email messages you read.
At this time GitLab does not respond to browser “Do Not Track” signals.