Google defines “spam” that is deliberately created to deceive and potentially harm users to benefit your website, it would not get a good rating.
If you want to see a more comprehensive list of spammy behaviours can be found on Google Webmaster guidelines.
In most cases, Google automatically defines spammy behaviour of any content and ensures that those pages do not rank well in search results.
The company also uses human analysis to determine if the contents are spammy. The human review process often leads to improved automated systems. “We look to understand how that spam got past our systems and then work to improve our detection, so that we catch the specific case and automatically detect many other similar cases overall.”, according to Google.
Spammy content is often removed completely from the search results. Google may also allow website owners to resolve issues by allowing them manual actions via Google Search Console.
Following are some important figures that are emphasized in Google webspam report.
Spam hurts the entire eco search system, including searchers and legitimate sites appearing in results. A spam-free experience also increases the likelihood that users will rely on Google in the same way and keep advertisers paying to reach those potential audiences.