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.
JotForm Support Manager
The link will not change yes. However, if you are using the iFrame version and perform major changes later on, then you must grab a new code and re-embed the form again. The Script version should not give you any problem, but you must be sure it won't conflict with any other JS library such as jquery in your site.