I am confused about the differences between Stack Overflow, Pro Webmasters, and Web Applications, as questions asked on Pro Webmasters, and Web Applications are also asked on Stack Overflow.

What is different between those Stack Exchange sites?

  • 2
    Why are you confused?
    – random
    Jul 7 '12 at 18:29
  • Because question ask on Pro Webmasters and Web Applications are also asked in stackoverflow so why this is used.what differ those from stackoverflow.
    – Tony Stark
    Jul 7 '12 at 18:32
  • 4
    Did you read the FAQ on each site? Not all questions that belong to one site belong on the others, though there is a subset of questions that will fit all.
    – Oded
    Jul 7 '12 at 18:37

The difference is reported in their FAQ pages.

Pro Webmasters

Pro Webmasters - Stack Exchange is for professional and enthusiast webmasters. If your question generally covers the operation of websites which you control, then you’re in the right place to ask your question!

Please note that if your question is about detailed HTML, JavaScript, or CSS coding, it might be a better fit on Stack Overflow. We prefer questions here about problems or issues that affect entire websites.

Web Applications

If your question generally covers …

  • Using Gmail, Facebook, Twitter, Google, or any other website which behaves like an application
  • Bookmarklets
  • Browsers and their features relating to the use of a web application (Greasemonkey scripts for a web application, etc.)

… then you’re in the right place to ask your question!

In the first case, a question about the http.conf file for a website you control is on-topic on that site, but it would not be on-topic on Stack Overflow. In fact, Apache http.conf allow intranet was migrated there from Stack Overflow.

In the second case, a question about programming in Facebook would not be on-topic there, as questions there are about using Facebook, not creating a Facebook application, which would be on-topic on Stack Overflow.

Simplifying, the topics are:

  • Pro Webmasters
    Web servers you control

  • Web Applications
    Web sites that works like desktop applications

  • Stack Overflow
    Programming, and tools used from programmers

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