| on page factors | The on-page qualities of a web page that help it rank well in search engines. |
| launch hijacking | The process of stealing the viral buzz of another businesss product launch |
| delisting | When a web page or pages are removed from a search engine directory. This can be temporary or permanent, and can happen for any number of reasons including a penalty from the search engine, a change in search engine crawl priorities, or a change in location of the page in question. |
| black hat | Search engine optimization practices that violate Googles quality guidelines. |
| canonical tag | An HTML tag that helps reduce duplicate content. This tag indicates to search engines which page is the preferred version of content that should be ranked. |
