404 tags appear in some topic pages

I just ran a site audit with SEMRush and found two weird broken links in our forum pages which end with /tag/high and /tag/null. See below:

I cannot find these links in the source code of the pages listed here.

So my questions:

  1. What are the links for?
  2. Can I remove them?


That is odd. Try loading the page with your user-agent set to the google crawler one, perhaps? That’s all I can think of.

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