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nofollow标签

seo百科视频 贵阳SEO 1511℃ 0评论


“Nofollow”向网站站长提供了一种方式,即告诉搜索引擎“不要追踪此网页上的链接”或“不要追踪此特定链接”。
nofllow的形式
1、<meta name=”robots” content=”nofollow” />
网页级元标记
2、<a href=”admin.php” rel=”nofollow”>sign in</a>
链接级别属性
什么情况下使用nofollow
1、不可信赖的内容
2、付费链接
3、按优先级别进行抓取
对于SEO优化的作用
1、防止导向垃圾网站
2、权重集中

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