To evaluate the effectiveness of the signup process, the following metrics can be tracked:

HDBits occasionally recruits new members through "invite forums" on other high-tier private trackers. To access these, you must first join an "entry" tracker and work your way up to a high user class. Known recruitment requirements as of late 2024 include:

If a new user you invite breaks a rule, both accounts are often banned. For this reason, members rarely give invites to anyone they don't know personally. Critical Rules and Account Maintenance