For any type of website, a signup form is essential. Customers will have an easy way to learn more about your organization if you have a signup form on your website. More importantly, you're allowing your business to gain access to the right kind of subscribers and their data (with their permission, of course).
Following is the source code for the signup form HTML. We recommend you watch the video embedded below along with the code.
You can download the signup form HTML code from this DOWNLOAD LINK.