Not really what I was looking for but thanks for the suggestion.

On every site I’ve checked it uses a random css tag so can’t block more than one.

I am in a similar boat. Since you have Tidal might want to look into Tidal-dl to “backup” the things you especially like in high quality.

Tidal is actually not too bad, and it pays artists more than other services (not a lot, just more) but I do expect it to go downhill/away eventually so I make a habit of downloading what I can and supporting the artist directly in other ways.