Should URL be case sensitive?

url case-sensitive
Imageree picture Imageree · Nov 3, 2011 · Viewed 151k times · Source

I noticed that 

HTTP://STACKOVERFLOW.COM/QUESTIONS/ASK

and 

http://stackoverflow.com/questions/ask

both works fine - actually the previous one is converted to lowercase.

I think that this makes sense for the user.

If I look at Google then this URL works fine:

http://www.google.com/intl/en/about/corporate/index.html 

but this one with "ABOUT" is not working: 

http://www.google.com/intl/en/ABOUT/corporate/index.html 

Should the URL be case sensitive?

Answer

jldupont picture jldupont · Nov 3, 2011

According to W3's "HTML and URLs" they should:

There may be URLs, or parts of URLs, where case doesn't matter, but identifying these may not be easy. Users should always consider that URLs are case-sensitive.

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