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.
I have checked your form and only noticed that the validation does not seem to be working on the embedded version of your form:
While it works fine when loading the direct link of the form:
I have checked the form in your webpage and seems you're using a custom frame to embed it, what I would suggest you is to try embedding your form using the iFrame code as given by the wizard.
Here's the guide: Getting-the-form-iFrame-code
You could also confirm us if this was the same you noticed or if there is anything else that you noticed when testing your form.
We'll wait for your response.