Just because it’s easy to join doesn’t make it semi-private.
-
Public tracker all content is available publicly no registration required.
-
Semi-private content is available publicly but registration may be required or optional (ex: Demonoid), torrents maybe set as private.
-
Private the content isn’t available publicly, registration is required. Torrents are set as private (open trackers, no DHT)
If you look at Prowlarr indexers you can see what is public, semi-public or private. All private require registration, where public or semi-public not so.
Had the sane issue on Firerox+uBlock the laptop, but on phone is working (Kiwi+uBlock).
Try with other browser, with or without adblocker