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Editorial Team
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Asked: 2026-05-11T19:16:28+00:00

Though I’ve used both, I never really got the decisions or pros/cons that go

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Though I’ve used both, I never really “got” the decisions or pros/cons that go into whether or not to choose a web site as the root entity of a new app, or a virtual directory underneath an existing web site. I have a vague idea, mostly involving “well, is it a sublocation of a master site that needs its own configuration?,” but I’m not sure that’s entirely accurate. I have application pools down pat, but never understood this difference.

So, question. What’s the difference between a web site and a virtual directory in IIS, and why would you choose one over the other?

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1 Answer

  1. Editorial Team

    One difference is that you can assign different Web Sites to different URLs. This allows you to use:

    app1.mydomain.com
    app2.mydomain.com

    Instead of:

    mydomain.com/app1
    mydomain.com/app2

    Which is considered by most people “Cleaner”.

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