Form method post not working on firefox incognito

[zbrah (Louis)]

Hello guys,

So everything is pretty much in the title.
For some reason form when set as post method doesn’t seem to work on Firefox incognito mode.

Here are mutliple test i’ve done :

Firefox, Method Get, Incognito mode WORKING

Firefox, Method Post, Incognito mode NOT WORKING

Firefox, Method Post, normal mode WORKING

Here is the live website : https://www.212founders.ma/
Read only link : https://preview.webflow.com/preview/212-founders?utm_medium=preview_link&utm_source=designer&utm_content=212-founders&preview=ad821ce7f440062998b7913e1f4fd07b&mode=preview

Any ideas @Brando @bart ?