| profile density | Noun phrase. The ratio of measurable objects measured across a range of contexts. For example, Backlink profile density measures the ratio of inbound links to linking hosts. A spammy profile has a higher ratio than a natural profile (in which multiple links from the same host are more likely to be found). |
| document classifier | Noun phrase. A computer program used to analyze the content, structure, and/or meta data associated with a Web document for the purpose of identifying or flagging or weighting or scoring the document in a search application or system. Sometimes simply referred to as a Classifier. |
| joomla seo | A website plaform |
| repeat visitors | The same user returning to a website more than once. |
| robots.txt | Files that suggest which parts of your site search engines should and shouldnt crawl. |