| spam bomb | Noun phrase. The practice of seeding various Web spammer tools with one or more specific Website URLs with the intention of sending many spambots (q.v.) to hit those Websites. |
| declined keywords | Terms that have decreased in ranking for a domain, yet still remain in the top 100 positions. |
| link wheel | Noun phrase. A specialized link circle (q.v.) wherein the circle of linking sites also point to a central hub site (which does not have to link back to the circle members). |
| query deserves freshness | (QDF) A Google ranking algorithm that ensures searchers get the freshest content for queries for latest news, trends, and hot topics. |
| content | Content is the part of a web page that provides the substance and is of the most interest to the user. It is the text or copy in the site itself. |