www.Youdao.com), 163.com’s Chinese search engine, was officially launched in December 2007.
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
- 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.
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:
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:
- Image search (
- Video search (
- News search (
- Music search (
- Blog search (
- Map search (
- Reader (
- Bookmarks (
- Forums (
- Dictionary (
- Translation (
- Shopping search (
Youdao provides desktop tools including:
- Toolbar (
- Desktop Dictionary (
View the entire list of Youdao vertical searches (and/or products).