Page URL is your website address. In this field simply enter the final part our your website address. You do not need to enter your domain name or the forward slash.
http://www.yourwebsite.com/page-name
In the example above you simply add 'page-name' to the field.
URL is one type of Uniform Resource Identifier (URI). It means Uniform Resource Locator (URL). The term "Web address" has become a synonym for a URL that uses the HTTP or HTTPS protocol. 'URL' can be defined as the generic term for all types of names and addresses that refer to objects on the World Wide Web.