<p> 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.</p>

CC BY-SA 4.0
2020-12-18T19:28:35.657Z
2020-12-18T19:28:35.657Z
ytlu
<p>It's Punycode, used in URLs to encode Unicode as ASCII.</p>
<p><a href="https://en.wikipedia.org/wiki/Punycode" rel="nofollow noreferrer">https://en.wikipedia.org/wiki/Punycode</a></p>

CC BY-SA 4.0
2020-12-18T21:52:38.850Z
2020-12-18T21:52:38.850Z
photon.engine
<p>Sometimes when you directly search some Chinese in certain Chrome browsers you will get something like the following prompt:</p>
<blockquote>
<p><a href="https://i.sstatic.net/7aywV.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/7aywV.png" alt="enter image description here" /></a></p>
</blockquote>
<p>Here searching 百度 asks:</p>
<blockquote>
<p>Did you mean to go to http://xn--wxtr44c/</p>
</blockquote>
<p>What correlation is there between 百度 and &quot;xn--wxtr44c&quot;?</p>
<p>Here's a second example:</p>
<blockquote>
<p><a href="https://i.sstatic.net/5RHLV.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/5RHLV.png" alt="enter image description here" /></a></p>
</blockquote>
<p>新浪 prompts:</p>
<blockquote>
<p>xn--efvx5o</p>
</blockquote>
<p>What are these codes prompted from Chinese characters?</p>

<technology>
Chinese characters to "xn--[....]"? DNS?
# Chinese characters to "xn--[....]"? DNS?

(Asked by: username_0 on 2020-12-18)

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

> [![enter image description here](https://i.sstatic.net/7aywV.png)](https://i.sstatic.net/7aywV.png)

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](https://i.sstatic.net/5RHLV.png)](https://i.sstatic.net/5RHLV.png)

新浪 prompts:

> xn--efvx5o

What are these codes prompted from Chinese characters?

**Tags:** technology


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## 2 answers

### Answer by username_2 on 2020-12-18. Score: 3 | Accepted answer

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

<https://en.wikipedia.org/wiki/Punycode>


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### Answer by username_1 on 2020-12-18. Score: 0

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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