| manual action | Google’s term for a penalty. Google will take manual action on a website after a human reviewer (i.e., a Google employee) manually reviews a website to confirm whether it has failed to comply with Google’s Webmaster guidelines. Penalized websites can either be demoted or removed entirely from search results. Manual actions can be assessed to the entire website or just certain webpages. |
| link mass | Noun phrase. The combination of all connected links that lead to any given page in a hypertext document collection. Absolute link mass cannot be measured. Relative link mass can be approximately measured. |
| server volatility | Noun phrase. The variable responsiveness of a Web server with respect to fetch requests from users and crawlers. A Web servers responsiveness (site speed) changes over time depending on local (server-side) and remote (user/crawler) conditions. |
| trust | Generally applies to the history of a domain (e.g., whether it cites or features expert sources, builds a positive reputation, adheres to Webmaster Guidelines). |
| search term | The word or phrase a user writes into a search box in order to get information that matches. |