@SteveJessop, remember to offer a backlink to "Javascript hacks that allow for a completely unrelated web site to test no matter if a supplied URL is in the heritage or not" You may not usually rely on privacy of the complete URL possibly. For example, as is usually the case https://erickxhqtk.collectblogs.com/82032265/indicators-on-uk-copyright-application-service-you-should-know