The preexisting URL Domains field applies to all URL requests coming from a website with the specified domain, even if those requests are to third-party URLs. For example, the website https://www.google.com/ loads JavaScript not only from the www.google.com domain but also from the www.gstatic.com domain, and if your URL Domains setting includes www.google.com, then it would cover the www.gstatic.com load too. On the other hand, the new URL Filter field applies directly to the URL of the requ...
