A sponsored link attribute is a way to identify links on a webpage that are part of a paid or sponsored advertisement. This attribute is used to signal to search engines that the link is not an organic or natural link, but rather a paid placement.
The sponsored link attribute can be added to links using the "rel" attribute in HTML. The syntax for the attribute is "rel="sponsored"". When search engines encounter a link with the sponsored attribute, they may choose to handle it differently than a regular link. For example, search engines may choose to not count sponsored links towards a website's ranking in search results.