I find that sometimes it is the website that has some restrictions on iframes and references to external resources. But if that's not the issue, you might need to set the form as public if you don't want to have to be concerned about signing in. Use...
Thank you Vitaliy! I've not seen that demonstration before. Pretty neat stuff over there. :)
By default, web forms that you deploy in the [Wolfram Cloud] are generated upon evaluation of **[CloudDeploy\[ \]]**. But you can also deploy web forms that gets generated on-demand. This allows you to deploy forms whose content may change for...
Please feel free to refer to the Wolfram Language documentation for [Permissions] to see more options. : http://reference.wolfram.com/language/ref/Permissions.html