No, it's firearms.Not necessarily. As noted, most block out categories such as "entertainment".
If this site is categorized in a restricted category then you cannot access it.
I am afraid you don't know anything unless you know what filter is being used.No, it's firearms.
Most of these corporate 'block lists' are subscription based and they're run by anti-gun folks.
There have been lots of non-firearm-related sites added to the list for talking about "paint guns", "squirt guns", "caulk guns", etc (the spider that parses the sites just looks for "bad words", regardless of content or context).