Customize Thank you page

I have a small contact form and once submitted I want the 'thank you' to just be a message that appears on the form rather than going away from the website to a blank page?

In order for you to customize the Thank you page, please do as follows:

1 - From the form builder, have your form in edit mode, click on Thank You, as shown below:

2 - After clicking next, the Thank You Page Wizard screen will pop up, then using the edit panel on top you are able to customize the Thank You page:

Please take a look at the following useful link: http://www.jotform.com/help/211-Setting-Up-the-Thank-You-Page .

Let us know if we can assist you further.