Just to provide further details:
I get a notification from my security system 3 times every time I open site -
18.02.2020 16.01.51 Blocked an advertisement website or a URL that can be used by criminals to damage your computer or personal data http://besti.ga/ Object: http://besti.ga/ Object type: URL Application: Firefox Time: 18/02/2020 16:01
Edit: Sorry after paying more attention it is 3 times everytime I move to a new sub forum