What is the best user-input or user-signup form that you have come across? [closed]

1. What are signup forms?
2. What is basic registration form in Bootstrap 4?

What are signup forms?

A signup form is a web page, popup, or modal where users enter the information required to access that website's services. The information collected is determined by the nature of the website and the services it offers. Most signup forms require a name, email address, username, and password.

What is basic registration form in Bootstrap 4?

In Bootstrap 4, registration form is a list of fields in which a user will input data and submit it. It is useful in every situation where a registration is necessary. For Example: Various companies use registration forms to sign up customers for services, or other programs.