Calendly.com works on localhost but not on the hosting

http://appdudz.com/

the website is a static website, built in https://www.gatsbyjs.org/

And hosted on

Calendly.com, loads on localhost but when I upload it to the hosting, it won’t show, why?

Calendly is located at the bottom of the page

No support team member out there?

i took a look at your site yesterday, but to be honest I am not sure why this isn’t working.

I was expecting to see some kind of error in the browser console - but it looks like it simply isn’t rendering.

I did find this stackoverflow thread that might be helpful: