The site https://fr.cocote.com/ (on chrome, edge, firefox etc…) a modal popup where one has to accept or reject cookies. Brave doesn’t show the popup, thereby rendering the site inaccessible.
So, I used the site specific Brave Shields settings (I tapped the Brave icon that you see in the upper-right corner of the following screenshot) and I DISABLED:
You need to modify your website, to include an initial javascript pop-up message box, with a message - such as:
“In your browser settings, please allow javascript for ‘fr.cocote.com’ - thank you.”
PS. As I wrote previously about testing via my iPhone, I also tested by using Brave Browser (MacOS). I used the Site-Specific Brave Shields setting for javascript ← enabled that, and your website’s cookie consent pop-up showed.