Stinking Cloud vs Phantasmal Web

Which of these spells is the better Crowd Control spell? I feel like stinking cloud is clearly superior and feel like I'm missing something.

For stinking cloud you need the investment of an Mythic Feat to hit enemies immune to poison. Also you need to cast Delay Poisson Communal to protect allies. Then both spell basically affect the same group: enemies who aren't undead.

But the big difference for me is the Saving throw:

Phantasmal Web is a Will saving throw to be affected like a Web spell and then additional Fortitude Saving Throws each round to be Nauseated for 1 turn. So the enemies have to fail two types of saving throw and and must fail the fortitude one every round to be taking out of the fight.

Meanwhile Stinking Cloud is a true save or suck spell: they have to make a Fortitude every turn, but when they fail once, they are out the game. Noch chance to redo it.

So yeah. The saving Throw structure just seems a lot better for Stinking Cloud. Am i missing something in favor of Phantasmal Web?

And are there other CC Spells that are comparable to both?