Sometimes when you directly search some Chinese in certain Chrome browsers you will get something like the following prompt:

enter image description here

Here searching 百度 asks:

Did you mean to go to http://xn--wxtr44c/

What correlation is there between 百度 and "xn--wxtr44c"?

Here's a second example:

enter image description here

新浪 prompts:


What are these codes prompted from Chinese characters?

2 Answers 2


It's Punycode, used in URLs to encode Unicode as ASCII.



The chinese chracters "百度" in web world is the alias of the URL http://xn--wxtr44c/. For a correct setting of browser, the true URL shouldn't appear.

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