| auto-generated content | Content that is created programmatically, not written by humans. |
| 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. |
| transformational conversion | Noun phrase. A transformational conversion occurs when a visitor knowingly discloses information to a Web site. Subscribing to an RSS feed or newsletter, for example, is a transformational conversion. |
| link laundering | Noun phrase. The process of pointing large numbers of low-quality links at intermediary Websites which in turn link to primary destinations, consolidating the low PageRank of the low-quality links and converting it into higher PageRank. Sometimes referred to as Link Layering, Link Pyramidding, and/or PageRank Funneling. |
| header tags | An HTML element used to designate headings on your page. |