osu!trackstats is using Spotify's API to get their track analysis. Spotify is analyzing every
submitted track. That way they gain information about the tempo of the song, the time signature and they even
it up into sections and much more.
All of that is information that could very much interest osu! mappers. Of course
the data is not 100% accurate, but that's why a confidence-rating is usually provided.
I'm just displaying basic information on here. The API provides even more detailed information, which is as I see
more distracting and confusing than the bits I display. There is another
website which provides a visual representation of pretty much all the information gathered by Spotify. Have a