web robots txt

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,

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.

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Some ways to prevent SQL injection attacksSQL injection attacks are a great danger. Before explaining its prevention, it is important for database administrators to understand the rationale behind their attacks. This facilitates the administrator to

SQL injection attacks are a great danger. Before explaining its prevention, it is important for database administrators to understand the rationale behind their attacks. This helps the administrator to take targeted prevention and control measures.A

First, create the folder indexdocs and three TXT files in the path E: \ testlucene \ workspacese: l1.txt,l2.txt,l3.txt. L1.txt content: 111111111111111111111111111111111111111111111111111111111111111111111111111Information retrieval is to find

HeritrixHeritrix is an open source, extensible web crawler Project. Heritrix is designed to be strictly in accordance with the robots.txt document exclusion instructions and meta robots tags.http://crawler.archive.org/WebsphinxWebsphinx is an

If you are new to CI or have just studied CI's manual, the question of how to effectively remove index.php in URLs to make URLs look friendlier is probably the first more complex question you face! This post is not original, but a synthesis of a

Every site will have some invalid pages, or even empty pages, these pages are very unfriendly to the user or the search engine, if the user came in to find this page what content no user will immediately close the page away, and search engine