Try this search and hover on the empty tag the sidebar shows. You can also make your own query; try [tag] -[*].

enter image description here

The empty tag really shouldn't exist/be shown. If you search [*] it seems to recognize that's not a real search. It only lets you search the empty tag if you search [tag] -[*] or if you just construct a URL like I have above.

Hovering on the empty tag clears the page and presents this: enter image description here

And if you hover over it the page turns completely blank.

  • 8
    Easter egg!! :)
    – Yuck
    Jan 17, 2012 at 22:52
  • Wow. Repro'd on Chrome 17.0.963.33 beta-m on Windows XP. I hope this is not thrashing the server or anything :P
    – user154510
    Jan 17, 2012 at 22:54
  • In IE8 the screen instantly goes blank on hovering over the blank tag, with the only contents being: <DIV style="MARGIN: 15px 0px; MIN-HEIGHT: 220px" class=hireme></DIV>
    – Toomai
    Jan 17, 2012 at 23:17
  • Blank screen on Firefox too, very nice find!
    – Benjol
    Jan 18, 2012 at 6:34
  • Does this qualify for a hacker badge? :p hahahahahahah
    – jcolebrand
    Jan 18, 2012 at 14:46
  • 1
    @jcolebrand only if you get a tag badge in [tag:*]
    – Ben Brocka
    Jan 18, 2012 at 15:10

1 Answer 1


There is now a secondary pass on the tag array to check for and strip these invalid "-" only tag names and remove them.

For example, /questions/tagged/- will now redirect to /questions as a result.

  • 2
    Man, somebody's on a roll today!
    – Pekka
    Feb 15, 2012 at 12:05

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