title: Is there any standard for response times in desktop applications?
body: <p>a customer asks for response times under a second for all "dialog-based" applications. He is speaking about our desktop applications that are getting the data from a business server connected to a SQL Server.</p>
  
  <p>Usually 1 second is ok for us, but we have got some forms that will take longer (up to 2 or 3 seconds). Do you know any standards (or any source) that specifies what should be the response times for a user? I've found many different informations, but mostly for Web pages and not for desktop applications.</p>
  
  <p>I read somewhere that 3 seconds is the "magical" number. Then I read about the "10 seconds rule" from Norman Nielsen for web pages. Some others speak about the "4 seconds" rule.</p>
  
  <p>I would like to have some arguments for my customer from some "third party" ("as you probably know, the accepted limit is specified in the ISO norm as xx") :-)</p>
  
  <p>Thank you</p>