MRR/Terra skip - saves 15 minutes (Tutorial by PtownRock)

Sandragora skip (Video by Cereth)

Jyscal skip - saves about 50 seconds (Tutorial by Mittens)

Clasko skip (safe setup) - saves about 50 seconds

Guadosalam skip - saves about 2.5 - 3 minutes (more on HD, less on PS2) (If you play on PS2, the NPCs for this skip have different positions and the skip is executed differently but very easy. You can check a PS2 run to see the positioning)

Mi'ihen skip - saves about 40 - 80 seconds (more on PS2, less on HD)

FMV skips [PC only] - saves ~4 minutes if you get all of them