This is one of the weirdest bugs I've ever seen, I think.
One of the tags on this question is "javascript" but on the SO homepage, it shows up as "javas." If you click on it, that even takes you to https://stackoverflow.com/questions/tagged/javas (which has zero questions).
In the time it took me to write this up, the error seems to have been fixed (and that question closed) but I took a screenshot before that happened. It's the fourth question from the top.
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8Someone misspelled jawas.random– random2010年02月18日 09:02:53 +00:00Commented Feb 18, 2010 at 9:02
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12Missing annotation in the form of freehand circles.Ikke– Ikke2010年02月18日 09:21:58 +00:00Commented Feb 18, 2010 at 9:21
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66Those freehand circles get scarier every day ;-)Arjan– Arjan2010年02月18日 11:25:57 +00:00Commented Feb 18, 2010 at 11:25
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Those jawas aren't missing!Buns Glazing– Buns Glazing2011年05月14日 04:21:50 +00:00Commented May 14, 2011 at 4:21
1 Answer 1
The snapshot cache of the front page was made before any subsequent edits during the five minute grace period.
As such, when they went to fix up the tag, it looked okay on the question page itself, but not on the home page, which is lagging because it's cached.
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5Obligatory: shouldiblamecachingjpmc26– jpmc262017年08月08日 22:51:58 +00:00Commented Aug 8, 2017 at 22:51