This content is the content on websites and applications that provide the user with very little information or information that is not valuable. The content is poorly written and sometimes may not be relevant to what the company wants to say. Thin content is also copied from other sites or is content that has keywords forced into the sentences.
The search engines expect websites to deliver high-quality and useful content for the users. With thin content, the websites start scoring low page and domain authority scores, and the ranking of the site automatically goes down.