What is JotForm?
JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
At JotForm, we want to make sure that you’re getting the online form builder help that you need. Our friendly customer support team is available 24/7.
We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
As I test the JotForm to submit using direct link, it was fast and submitted without any issues. This seems to be a conflict with other scripts on your webpage. Also, I notice that your JotForm is not displayed completely on your webpage.
Could you try embedding the form using iframe method and see if that resolves the issue? You can get the iframe code by following the instructions provided in the guide below :
Please get back to us if the issue still persists. We will be happy to look into this issue further.