换域名后做301重定向是非常必要的

By 公司动态

  301永久重定向是所有的重定向方法中唯一符合搜索引擎规则的重定向方法,其他的重定向还包括302暂时重定向和JS跳转等,这些方式都容易导致URL不规范问题的产生。要想让多个域名访问同一个网站,那就只能将其中一个做为主域名,剩下的其他域名做301永久重定向到这个主域名,不然会产生重复收录,导致网站被惩罚。301永久重定向具体作用是什么?今天为大家分析,网站做301重定向对搜索引擎、用户的作用。
 
  集中页面权重
 
  如果没有做301,一个页面就会有两个URL,搜索引擎就会针对两个页面进行分权计算,最终导致网站权重分散;
 
  提高网页收录
 
  网页没有做301,就会有2个一模一样的页面,造成蜘蛛重复抓取,对于蜘蛛是很不友好,会引起搜索引擎误判,有301跳转,网站页面都是单独存在,利于提高页面收录;
 
  网站重新改版
 
  改版删除网站原有的内容,可以设置为404页面,但也是可以设置301,把页面导向首页,在一定时间内自动跳转,也是利于提高用户体验;
 
  传递权重
 
  有些企业企业更换了名称,或者是有了更符合企业发展需求的新域名,想使用新域名,把老域名下的内容转移到新域名下,利用301将老域名整站指向新站,这样把老域名权重传递给新域名;
 
  提高用户体验。没有设置301,网站就会出现两个首页,不方便用户识别哪个是网站首页,不让便用户记住,做了301重定向,就一个首页,方便用户快速识别,记住网站。
 
  301重定向在网站优化中有着非常重要的作用,正确的使用301永久重定向对网站的SEO优化无任何负面的影响,而且网页A的关键词优化排名和PR级别都会传达给网页B,表示本网页永久性转移到另一个地址,给搜索引擎一个友好的信息,告诉它此页面已永久重定向,避免搜索引擎找不到页面。301重定向有利于蜘蛛更好更快的抓取网站内容,提高用户体验,便于客户深度浏览。

By 公司动态

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