Does Upper Case or Lower Case Matter in Domain Names?

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We often are asked whether it matters whether you use upper case or lower case letters when typing doman names (which some people mistakenly calls “IP names”) such as in a URL. Do you need to exact match domain upper case or lower case, so long as you are typing the name properly?

Let’s give you an example. Our website, The Internet Patrol, has a domain name of theinternetpatrol.com, and resides at the URL

The problem with domains with several words in them is that the letters all jumble together – which makes them hard to read, and even hard to remember.

But if we type it like this: http://www.TheInternetPatrol.com, well, that’s much easier to read!

Which brings us back to our original question: does it matter if we capitalize the T, I, and P? Will a domain not “work”, if you type upper case letters in lower case, and vice versa?

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Does it matter whether you use upper case or lower case letters when typing domain names?

No, not at all.

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One thought on “Does Upper Case or Lower Case Matter in Domain Names?

  1. I’m a firm believer in readable URLs. That’s why for my own site I always use “www.JetCityOrange.com”

    On the flip side, Google recognizes hyphens “-” as word delimiters. If you’re registering a domain from scratch *you* may want to get “Jet-City-Orange.com”

    And as always, YMMV

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