robots txt disallow all search engines

About the syntax and function of robots. txt As we know, search engines all have their own "Search robots" and use these robots to link on the Web page over the network (generally HTTP and SRC links) constantly crawl data to build your own database.

I have been emphasizing the details of the optimization, is now the site of Baidu's requirements is to see your details do well, code, tags and so on have the details, then the robots are also part of the site details, do a good job he has a great

Robots.txt GuideWhen a search engine accesses a Web site, it first checks to see if there is a plain text file called robots.txt under the root domain of the site. The Robots.txt file is used to limit the search engine's access to its Web site,

ArticleDirectory What do you want to do? Use the robots.txt file to intercept or delete Web page Printing The robots.txt file restricts the access to your website by the web-crawling search engine. These roaming bots are automatic.

Catalog of this series Different links to the page if there are a lot of the same content, this phenomenon will be called "duplicate content", if a site is a lot of duplicate content, the search engine will think that the value of the site is not

This series of directories   If different links direct to a page with a large number of identical content, this phenomenon will be called "duplicate content". If a website has a large number of duplicate content, search engines will think that

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Metadata and sitemap. XML,   Let's take a look at robots.txt and sitemap. xml. The following is an excerpt from Wikipedia" Http://zh.wikipedia.org/zh-cn/Sitemap http://zh.wikipedia.org/zh/Robots.txt  Robots.txt  Wikipedia, a free encyclopedia Robots.