A sponsored backlink looks like this

[sharminsumu]

If money, or a product or service, was given in exchange for a link, a rel="sponsored" attribute must be added to inform Google.

The rel="sponsored" attribute prevents your site from being negatively impacted by these links. So, if you are working with an affiliate, you should use the "sponsored" attribute for that backlink.


UGC Links
Another new link attribute rolling out in 2019 is user -generated content (UGC) links .

UGC links come from forums and blog comments, among other things. The attribute informs Google that the link was placed by a user and not by the webmaster.

A UGC backlink looks like this:

<a href="https://www.exemple.com/" rel="ugc">ceci est un lien UGC</a>
UGC links in blog comments
Users can post links in the comments sections of blogs or forums dentist data on some websites. If the site owner wants, they can use the UGC attribute so that Google knows that it is a link from a user.
High Authority Links
Now that we have discussed the different types of backlinks, let's see how to determine the quality of a backlink.

Using the Backlink Audit tool , you can see how many backlinks your site has, the referring domains of those backlinks, how toxic those sites are, and more.

The Overview page gives you a summary of essential information.