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Sogou, Inc.
Type Public company, subsidiary
Founded 9 August 2010; 8 years ago (2010-08-09)
Headquarters Beijing, China
Industry Internet

Sogou, Inc. is a subsidiary of Sohu, Inc. founded on 9 August 2010. It is the owner and developer of Sogou (Chinese: 搜狗; pinyin: Sōugǒu; literally: "Search dog") search engine, Sogou Input and Sogou browser.

The Sogou web spider does not respect the robots.txt internet standard, and is therefore banned from many web sites because of excessive crawling.[1]


Website screenshot
Web address
Commercial? yes
Available in Chinese
Users 400 million
Owner Sogou, Inc. (subsidiary of Sohu, Inc.)
Launched 4 August 2004; 14 years ago (2004-08-04)
Alexa rank
Negative increase 137 (April 2014)[2]
Current status Active

Search engine and web applications

Sogou search engine ( was launched on 3 August 2004.

Sogou's web application products are designed to classify on-line information, such as music, picture, video clip, news, map and vertical information.

Sogou Input

Initially released in 2006, Sogou Pinyin is the most popular Chinese input software in China. It makes use of its search engine techniques which are the analysis and categorization of the most popular words or phrases on the Internet.

Sogou browser

Started in December 2008, Sogou browser adopts a "dual-core" (Google Chrome's WebKit and Internet Explorer's Trident layout engines) techniques and it connects to the cloud to recognize malicious websites and software.


On 17 September 2013, it was announced that Tencent has acquired a 36.5% stake in for US$448 million.[3]


To block Sogou on Apache HTTP Server (except for the robots.txt file), use:

<IfModule mod_rewrite.c>
RewriteEngine on
RewriteCond %{HTTP_USER_AGENT} Sogou web spider [NC]
RewriteCond %{REQUEST_URI} !^/robots\.txt$
RewriteRule ^.* - [F,L]

To block Sogou on Nginx web server use:

if ($http_user_agent ~ "Sogou web spider") {
  return 400;


  2. " Site Info". Alexa Internet. Retrieved 2014-04-01.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  3. Aitken, Todd (17 September 2013). "Tencent invested $448 million in Chinese search engine Sogou". CEOWorld Magazine. Retrieved 12 January 2015.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>

External links

  • Sogou – official site (in Chinese)