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.
Yes,you can set your Iframe embedded form to popup on page load.
To do that,
You need to create a separate HTML file called "form.html" and copy and paste the Iframe embed script in it.
After this step, insert the code from the below in your website header were you want the form popup to appear. The red marked area "5000" (5 seconds) represents the countdown, you can adjust it.
timer=setTimeout("window.open('myform.html ','','width=200 ,height=200')",5000)
If you need extra information, please let us know.
Have a nice day.