We are still grow up. Community contributions and uploading are a huge priority right now. As with all new trackers, this is an investment in the future. Only through contribution and activity will it prosper.
Please only use Gmail. As many other mail providers have issues receiving invites and they will add a huge delay in you joining.
If there is a problem with your signup please visit irc://irc.p2p-network.net:+6697/#wop-support.