Very much so. WebPは損失のあるVP8モードと無損失モードの両方を持ち、通常は視覚的な品質に合ったJPGの下で25-35%に着陸する。. That determines both the headroom available and whether the saving costs you anything in fidelity.
透明度の決定は，透明度の変更を行う段階である。 That is the step most people actually came for, and doing it after WebP を圧縮 rather than before it means the conversion works from the file you finally settled on.
