When attempting to answer the question Do Shadow People Exist?, I found some valid-looking information on www.mariowiki.com. After I linked to it in my answer I wasn't allowed to submit, with an error message saying "links to www.mariowiki.com are not allowed".

Why is this? The website looks no better or worse (in terms of quality/correctness) than many others I've seen linked to.

  • I'd suspect that they have spammed in the past, that is by far the most common reason to blacklist a URL. Oct 27, 2014 at 9:28
  • @MadScientist Mariowiki it's not in /admin/blacklist for what it's worth.
    – badp
    Oct 27, 2014 at 10:10
  • @badp huh, I don't remember any other mechanism that would block specific links Oct 27, 2014 at 10:44
  • @MadScientist Does that list include network-wide blacklists?
    – badp
    Oct 27, 2014 at 11:52

1 Answer 1


We don't have any explicit blacklisting on mariowiki. However, it may be possible that the URL you're trying to use may contain bogus characters such as HTML entities. That would produce that same error message. If you could post the URL you attempted within code formatting using backticks, that would allow us to examine it.

  • That's interesting - I am fairly sure I didn't include any encoded characters but I don't recall the exact URL I tried to post. I just tried to post a similar URL and it worked, so I've deleted the answer (gaming.stackexchange.com/a/189741/8090). Is there a way to test things like this, e.g. a 'sandbox' question/answer?
    – Alex
    Oct 28, 2014 at 16:34

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