It's best for SEO purposes that we use the main page keywords in our urls For example stackoverflow uses this technique too.


I wonder if it's okay to use something like:


3 Answers 3


No, it is not. Officially you have to URL-encode them.


I am not sure how far the implementation of IRI http://en.wikipedia.org/wiki/Internationalized_Resource_Identifier is, It may work in reality, but I have ran into all kind of trouble with Russian characters in URL's and query strings so I got rid of them.


Short answer: not if you want to follow the rules.

RFC 1738 describes the required encoding and the rationale in section 2.2:

Thus, only alphanumerics, the special characters "$-_.+!*'(),", and reserved characters used for their reserved purposes may be used unencoded within a URL.

  • 3
    The current specification is RFC 3986.
    – Gumbo
    Commented Apr 1, 2011 at 7:01
  • Expect this to change, though; ICANN's working hard on Internationalized Domain Names, which by their nature would require an update to the rules for URIs. Commented Apr 1, 2011 at 7:03

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