This spreadsheet provides a more detailed insight into the records of all the ILs in this game. You'll find notes that mention certain tricks and links to the WR videos. On top of that, everyone can simply type in their own PB times and automatically see their possible timesaves for all ILs on one screen:

https://docs.google.com/spreadsheets/d/15nNE0-Ur16MvU0b59SVUkMyBddd1TDkn7Eb_6Sukujg