Baidu supports nofollow and noarchive meta tags.
To prevent all search engines from showing a snapshot of your site, place this meta tag in the section of your page:
<meta name="robots" content="noarchive">
If you don't want search engines to follow links on this page, and don't pass the link's weight, place this meta tag:
<meta name="robots" content="nofollow">
Non-Baidu search engines, if you don't want search engines to index your page then:
<meta name="robots" content="noindex">
The search engine supports three ways of writing:
<a rel=”nofollow” href=”url”> text links and
Nofollow in two ways, the url with the nofollow attribute will not pass its weight value.
For Baidu, the effect is the same.
The writing method of comprehensively applicable label attributes:
In order to prevent search engines from crawling this page, our general practice is to add the following code to the meta tag of the page: