Once there, you can use four rules to exclude page: Start, End, Contain, Equal.
Start – Exclude all pages starting with <your URL>. For example, https://example.com/blog/hello-world
End – Exclude all pages enging with <your URL>. For example, https://example.com/blog/hello-world
Contain – Exclude all pages where URL contains <your URL>. For example, https://example.com/blog/hello-world
Equal – Exclude single page where URL is exactly same with <your URL>. For example, https://example.com/blog/hello-world
*Please keep in mind that you need to use Relative URLs. For example, for page https://example.com/blog/ use /blog