iis和apache及PHP页面设置301重定向跳转方法
本文将通过IIS、APACHE、ASP、PHP几种服务器端或页面程序端分别讲解如何设置301重定向,先还是简单介绍下重定向.
301重定向:指的是一种非常重要的“自动转向”技术--其实谈不上技术,即网址重定向--用户访问一个地址或目录,可以指定跳转到另一个地址.
301重定向,这是所有重定向方法中唯一符合seo搜索引擎规则的重定向,这也是SEO中的一个基础名词,比方:一个站用www.phprm.com、phprm.com绑定,就会存在2个权重,如果将phprm.com重定向到www.phprm.com,就会权重集中,相应增加权重值.
1、IIS服务器上设置301重定向
准备工作:你要有服务器设置权限,可以随意开通新的虚拟空间!
第一,新建一个虚拟空间,将你需要进行重定向的域名与之解析绑定;
第二,我的电脑-->打开“控制面板”-->“管理工具”-->打开“Internet 信息服务”,左侧会有树形菜单,找到你的网站--右键“属性”--选择“主目录”选项卡,再选择“重定向到URL”,然后在地址框栏输入需要定向的目标域名,最后将选项卡中的“资源的永久重定向”选择上,点击“确定”完成操作。属性界面设置,如下图所示:
2、Unix/linux主机上apache设置301重定向
新建.htaccess文件,输入下列内容(需要开启mod_rewrite):
1)将不带WWW的域名转向到带WWW的域名下,代码如下:
Options +FollowSymLinks RewriteEngine on RewriteCond %{HTTP_HOST} ^phprm.com [NC] RewriteRule ^(.*)$www.phprm.com/301/[L,R=301]
2)重定向到新域名,代码如下:
Options +FollowSymLinks RewriteEngine on RewriteRule ^(.*)$www.phprm.com/301/ [L,R=301]
3)使用正则进行301转向,实现伪静态,代码如下:
Options +FollowSymLinks RewriteEngine on RewriteRule ^article-(.+).html$ article.php?id=$1
将article.php?id=123这样的地址转向到article-123.html
3、ASP程序页面中设置301重定向代码
在公共头部文件或全局调用文件里,加上如下代码:
<%@ Language=VBScript %> <% if request.ServerVariables("SERVER_NAME")!="www.phprm.com" then Response.Status="301 Moved Permanently" Response.AddHeader "Location", "http://www.phprm.com" Response.End end if %>
原理:判断请求的server_name,是否与主目标网址一样,不一样则重定向.
4、PHP程序页面中设置301重定向,代码如下:
$host= 'www.phprm.com'; //你目标定向的网址 if ($_SERVER['HTTP_HOST'] != $host)//若不是则进行重定向,后面页面参数不变 { header("HTTP/1.1 301 Moved Permanently"); header("Location: http://{$host}{$_SERVER[REQUEST_URI]}"); }
原理:首先定义目标定向网址,然后判断当前请求访问的host是否一致,若为否,则进行重定向.
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转载随意,但请附上文章地址:-)

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