| spammer | A spammer is a person use uses spam schemes. |
| dead link | A hyperlink that is broken and directed to a page that no longer exists. Errors like 404 not found, server errors, 500 errors, 403 forbidden, etc. Dead links can have a negative impact on SEO. |
| redirection | When a URL is moved from one location to another. Most often, redirection is permanent (301 redirect). |
| google reconsideration request | The process by which Google removes a manual penalty. |
| outbound marketing | Traditional marketing techniques that interrupt a medium, such as a television program, with non-associated ads. |