Check your SSL score. If you've got an A or A+ or such, it means many people can't connect to your site. Not every browser has TLSv1.2. The maximum score is

Check your SSL score. If you've got an A or A+ or such, it means many people can't connect to your site. Not every browser has TLSv1.2. The maximum score is something like A- nowadays. NH works, your site doesn't.