What is Sponsored Link Attribute?
The sponsored link attribute is an HTML attribute for indicating that a link is sponsored. It is a rel attribute with the value set to sponsored. That is, rel="スポンサー".
Google introduced the sponsored value in 2019. It serves the same function as a nofollow value. However, it provides a more specific description of the nofollow link.
If a link is sponsored, you can specify such by adding the sponsored link attribute to the opening tag of the hyperlink, as shown below.
<a rel="sponsored" href="https://yourdomain.com/webpage-1">