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I cloned your form and tested it on my end, but I was not able to replicate the problem. Here's a screencast of it:
I presume the form is embedded on a website? If it is, could you please share us the link so that we can check it out? You could also re-embed the form using the iFrame embed code to avoid script conflict that may be causing the problem.
We'll wait for your response.
I am still getting a 'please wait' message . I tried using the iFrame embed code but all I got on my page was the coding, no form.
Please share to us the URL of your website where we can also test the form used.
I also could not reproduce the issue as this checking.
URL page of the website where the form is...
We still get 'please wait' message.
How is the form embedded in your end? Upon checking your website, it seems like you are using a plugin in Wordpress?
I presume are using the oEmbed plugin, try the other one instead. If that does not work, I suggest using the actual iFrame embed code that is found here: https://www.jotform.com/help/148-Getting-the-form-iFrame-code. This is the actual iFrame embed code found in Publish->Embed page in JotForm's form builder. Paste the iFrame embed code in your page/post's "Text" area.
This guide might also help you: https://www.jotform.com/help/324-A-guide-to-forms-for-WordPress-users.
Let us know if any of them worked.