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What can cause a question to be "bumped" to the first page in the Active tab of a Stack Exchange site? (Changing the "Last Active" date.)

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    Given that this related question was closed as a duplicate of this FAQ entry, could someone please adress the aspects of that question not already in the answers here (be it only by comments if it's just always "if not already mentioned then no")? I.e. Is there anything that can prevent the hourly Community bump to happen and is the choice of the respective question really random, without any bias (like e.g. votes or views)? – Christian Rau Aug 13 '14 at 15:53
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The following activities will cause a question to be bumped:

The following activities will not cause a question to be bumped:

  • Deletion or undeletion of the question or an answer
  • Upvotes/downvotes on the question, answers, or comments
  • Creation, modification or removal of comments on the question or an answer
  • Casting/retracting close and reopen votes on the question
  • Successfully closing the question
  • Awarding a bounty to one of the question's answers
  • Flags (offensive/spam/moderator)
  • Pending edit suggestions
  • Accepting an answer
  • Protecting or unprotecting the question

If bumping on the home page ever causes you to miss new answers on a site consider bookmarking links like this one to New answers on Meta Stack Exchange.


* This holds true for edits that generate a revision in the post history. Edits on a post within the 5-minute grace period fold the changes back into the previous revision, and do not cause the post to be bumped.

Questions with sufficiently low score will not show on the homepage when either they or their answers are edited, though they will still be shown on the Questions page. The "sufficiently low" threshold is -4 on main sites and -8 on meta sites (as of Aug 25, '10 -- see Grace Note's comment).

Edits made by the Community User as part of an automated script will not bump the question. For example, globally changing certain http links to https, or removing the tag after 30 days.

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    •The Community user will bump unanswered questions every hour. - that's questions with 0 answers, or questions with unaccepted answers? – Mike Sep 21 '12 at 19:25
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    @Mike: 0 upvoted answers. – Madara Uchiha Mar 23 '13 at 8:52
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    I don't think that a rollback edit causes a question to be bumped. – Andrew Mao Mar 26 '13 at 16:02
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    @AndrewMao so you're wrong. Rollback is considered a full revision thus changing the question "last activity" timestamp. – ShaWiz Apr 3 '14 at 12:37
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    Close/reopen votes won't bump; a successful reopen will. How about a successful close? I have no preference, but I'd like to know. – Ziv Sep 1 '14 at 9:31
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    @Ziv A successful close doesn't bump the question to the homepage. – Nog Shine Aug 30 '17 at 7:43

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