www.Youdao.com, Youdao Chinese Search Engine

Youdao (www.Youdao.com), 163.com’s Chinese search engine, was officially launched in December 2007.

Youdao search engine is the 6th largest search engine in China, with search market share behind Baidu.com, Google.com.hk, Sogou.com, Yahoo.cn and Soso.com.

Youdao’s SERP

Youdao search engine’s search engine results page (SERP) consists of:

A: Youdao’s search box
B: Youdao’s organic search results
C: Other vertical searches, including image search, news search, blog search, answers search
D: Search by day, by week, by month, or by year
E: What everybody has been searching
F: Your search history
G: Related searches

Youdao’s Spider, Youdao’s Index Update

Youdao’s spider (or user agent) is YoudaoBot. How Youdao.com’s spider and index update work:

To get included into Youdao’s index, your site will need to have inbound links pointing to it from other websites that are already in Youdao’s index.
Normally, not every web page of your site will be included in Youdao’s index – Youdao’s index only includes web pages that are above a certain level of quality.
How often a site gets updated in Youdao’s Index depends on how often a webmaster updates his/her site’s content.
Youdao’s spider (YoudaoBot) normally do not crawl a web page more than once within 8 hours and understands the IF-MODIFIED-SINCE in the HTTP header
Optimize SEO META tags to allow better crawling and ranking on Youdao search engine.

Submit site to Youdao

Webmasters can manually submit websites to Youdao, through Youdao’s site submission page.

Youdao Robots.txt

To block Youdao’s spider (or YoudaoBot) from crawling part of your website, use Robots.txt:

How Robots.txt works on Youdao.com is similar to how Robots.txt works on Baidu.com. Review Baidu Robots.txt.
Place Robots.txt at the root directory of your site:

http://www.example.com/robots.txt

Nofollow for Youdao

Youdao understands nofollow attribute.

To disallow Youdao’s spider (YoudaoBot) from following links on a web page and passing link juice (similar to Google PageRank) through to other web pages, use:

<META NAME="YoudaoBot" CONTENT="nofollow">

To disallow Youdao from passing link juice through an individual link (on the “link” level), use:

<a href="http://www.example.com/" rel="nofollow">anchor text</a>

Youdao Vertical Searches

Besides web search, Youdao search engine offers vertical searches including:

Youdao provides desktop tools including:

View the entire list of Youdao vertical searches (and/or products).

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