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,
Below we use several examples to summarize the use of the php fopen function to implement file read and write operations. If you need to learn, refer.
Simple reference to fopen Functions
The fopen () function opens a file or URL.
If opening fails,
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.
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
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
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
When I re-access a framework, I must first remove the entry file, that is, index. php is not very beautiful in the url, and every time I access my website, it will be scored. when I re-access a framework, I must first remove the entry file, that is,
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
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
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