| de-listing | 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. |
| redirection | When a URL is moved from one location to another. Most often, redirection is permanent (301 redirect). |
| blog network | Noun phrase. Any group of blogs (either hosted on large Websites or hosted on their own dedicated sites) that are used together for a common purpose. Some blog networks are enterprise assets (such as the AOL blog network including TechCrunch, Huffington Post, etc.). Some blog networks may be used to manipulate search engine results by Web spammers. A blog network differs from a blog farm (q.v.) in that writers upload their content directly to the network or to a central distribution platform. |
| server logs | hosted on servers, these logs record website traffic sources and trends. |
| deindexing | 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. |