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  • Isn't Unicode supported in URLs? I'm deciding whether or not to make use of this. Commented May 7, 2018 at 23:36
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    @Dogweather: I do most of my work on back-end stuff. So my answer is that no, URLs don't use Unicode at all. HTTP uses bytes. Just bytes. Make them whatever you want. Don't assume they are Unicode although they probably are. Also domains. Those can't use anything except 7-bit ASCII. There's a compression format for Unicode domains where they start with "xn--" Look up Punycode. Commented May 8, 2018 at 16:30
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    @Dogweather: What web browsers and HTML require are different from what goes out on the network. There you have percent encodings and such-like. And I'm not sure what the rules are on Unicode in URL links, if the browser percent encodes them or puts it on the wire in UTF-8. Commented May 8, 2018 at 16:33