但是讲了这么多nofollow,什么是nofollow标签呢?如何使用nofollow标签?下面是Google对于rel="nofollow"的解释:When Google sees the attribute rel="nofollow" on hyperlinks, those links won't get any credit when we rank websites in our search results. 就是一旦Google发现超链接中含有该属性(“rel=nofollow”),这类链接不会被作为某站点在搜索结果排名中的评价依据。