How to do the Web site 301 Redirect (Apache/iis/htaccess) Implementation method Introduction

1) IIS 301 redirect

IIS implements the 301 permanent redirection method, which is applicable to Windows servers, and then performs the following actions: Locate the corresponding Web site in IIS-> Redirect to url-> to enter the URL address of the destination Web page in Redirect to redirect-> Select "Permanent Redirection of resources" (It must be checked here)-> "Application" can be.

2 Apache 301 Redirect

The Apache server implements 301 redirects, usually with "mod_rewrite" pseudo static technology, where the. htaccess file is needed. Small spell with domain name 301 Redirect to the two level domain name of WWW, you only need to add the following rules to the. htaccess file:
Options +followsymlinks

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Rewriteengine on Rewritecond%{http_host} ^xp-sem.com Rewriterule ^ (. *) $ http://www.xp-sem.com/$1 [r=permanent,l] Similarly, pseudo static technology for Windows servers can achieve 301 redirects by adding the following rules to the Httpd.ini: Rewritecond Host: ^xp-sem.com$ Rewriterule (. *) http://www.xp-sem.com$1 [r,i]

3 Linux 301 Redirect

The code is as follows	Copy Code
Redirect 301/http://www.xp-sem.com/

This is commonly used to write, through this command to tell search engine spider your site file is not under this URL.

4) PHP 301 redirect
Add the following code to the head of the page:

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<?php Header ("http/1.1 moved Permanently"); Header ("location:http://www.xp-sem.com"); ?>

5 ASP 301 Redirect
<%@ Language=vbscript%>
<%
Response.status= "Moved Permanently"
Response.AddHeader "Location", "http://www.xp-sem.com"
%>

6) ASP.net 301 redirect

The code is as follows	Copy Code
<script runat= "Server" > private void Page_Load (object sender, System.EventArgs e) { Response.Status = "Moved Permanently"; Response.AddHeader ("Location", "http://www.xp-sem.com"); } </script>

7)

ColdFusion 301 Redirect

The code is as follows	Copy Code
<.cfheader statuscode= "301″statustext=" Moved Permanently "> <.cfheader name= "Location" value= "http://www.xp-sem.com" >

8 binding/local DNS (domain alias jump) 301 redirect
If you have the Domain name DNS Control Panel Admin permissions, you can achieve 301 redirection by simply adding an alias record.
For example, to the blog.xp-sem.com point to www.xp-sem.com, only in the DNS service should add an alias record, can be written: blog in CNAME www.xp-sem.com;
If you need to configure a large number of virtual domain names, you can write: * in CNAME www.xp-sem.com, so that all of the settings that are not set at the end of the xp-sem.com are all redirected to www.xp-sem.com.