I haven't received a single lead for 2 weeks from my site while my traffic hasn't dropped

I haven't received a single lead since 2 weeks from my site while my traffic hasn't dropped. I don't understand what the problem is. I need you to find the problem clearly and fix it.
My site is: https://vecteurenergie.fr/
Leads comes from these forms: https://vecteurenergie.fr/ or https://vecteurenergie.fr/formulaire-eligibilite/