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 believe you need to update the embed code for your forms in that website, if I'm not mistaken you're using the embed code for Adobe FormsCentral forms, you need to use the embed code from JotForm after your forms were successfully imported in our end.
You can check these guides on how to embed your JotForm forms in a web site:
Let us know if you need more information on this.