Problem with page

try pasting the url here https://www.fortiguard.com/webfilter

you will get an option if category is currently blocked you can view the details of it.

If you want to allow the url then 

goto : security profile>web filter (edit the web filter you have created and applied to the policy)

you will get a option of static url filter

enable url filter 

and add the url 

I did it and the result comes up:

Category: Malicious Websites

I don't know why this is. The server support verified and there is nothing on this page. Antivirus also shows nothing after scanning. What is it about?