Analyze the role of rel="nofollow" in HTML and the use of rel attribute

Adding the rel="nofollow" attribute to a link tells the search engine not to track this connection and thus not to pass on authority. Careful webmasters may find that many blogs have this attribute added to their friendly links. The purpose of doing so is to avoid diluting the authority of their own websites. The rel attribute means: the relationship between the current page and the page it points to. The rev attribute specifies the relationship from the target document to the source document. Baidu currently supports the rel='noflow' attribute. Proper use of this tag will greatly improve the website.

Webmasters may know that if a link is added with the attribute rel="nofollow", it means telling the search engine not to follow this link and thus not pass on the weight. Careful webmasters may find that many blogs have added this attribute to their friendly links, in order to avoid diluting the weight of their own website.

What does the rel attribute mean?

The rel attribute means: the relationship between the current page and the page being pointed to.

The optional attributes rel and rev of the <a> tag indicate the formal relationship and direction between the source and target documents, respectively. The rel attribute specifies the relationship from the source document to the target document, while the rev attribute specifies the relationship from the target document to the source document. Both attributes can be used together in the <a> tag.

Multiple values ​​of the rel or rev attribute are separated by spaces.

Usage of the rel attribute

Usually this attribute is used in: link tag/a tag/meta tag, writing example:

This rel attribute is actually designed specifically for search engines. It is known that Baidu currently supports the rel="nofollow" attribute. Proper use of this tag will greatly improve the website.

The value of the rel attribute

The above rel attribute is for HTML format. In the era of social networking, Weibo/WeChat are rampant. Compared with HTML, the rel attribute of the a tag has the XFN specification, so I will not elaborate on it here.