What are some common mistakes regarding usability for web applications?

  • Disappointingly aren't most of these answers relating to general web design rather than specific web app design? – ajcw Aug 18 '11 at 7:57
  • Guidelines on the use of community wiki have evolved since this question was asked. blog.stackoverflow.com/2011/08/the-future-of-community-wiki – Patrick McElhaney Sep 28 '11 at 17:40
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    #1 usability gotcha: being unable to use UX.SE because an overzealous mod had nothing better to do than close this question as "not constructive". How the heck is this not a constructive question when it has 31 answers and over 500 combined votes?! – Dan Dascalescu Oct 24 '12 at 11:16

31 Answers 31


Redirecting from the root URI to a subdirectory or subdomain (not removing/adding the www).

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