A Google Penalty, also known as a Manual Action, is a punishment applied by Google when a human reviewer determines that a website has violated Google’s Search Spam Policies. When this happens, your site (or parts of it) can lose rankings dramatically or be completely removed from Google’s search results.
User-Generated Spam as a Manual Action reason means that Google has determined your website is allowing spam content created by users, and that you, as the site owner, are not controlling or moderating it properly.
| Type | Description | Human Review? | Visibility in Google Search Console |
|---|---|---|---|
| Manual Action | Applied by Google’s spam team | Yes | Yes |
| Algorithmic Penalty | Caused by updates like Helpful Content, Spam, and Core Updates | No | No |
Yes, you can see a manual penalty on Search Console Manual Action part.

Source: