Definitions for "Meta tags"
Keywords:  keyword, tag, webpage, spider, crawlers
Information placed in a Web page that's meant to be read only by browser software, search engines, or other applications; includes meta description tags (in which page authors can indicate to search engines how they want the page described in its listing) and meta keyword tags (in which page authors can add keywords to help the search engines determine where and how to list and rank the page).
is a tag used in the source code to provide content and information to spider robots.
There is certain information which is contained on a web page which cannot be seen by people visiting your website but which is designed for use primarily by Search Engines and browsers. This information takes the form of meta tags and is placed in the head section of the web page code. The most well known of these tags are the Meta Description Tag and the Meta Keywords Tag but there are over 30 different types in total.
Keywords:  mirror, misspellings, sites
Mirror Sites
Metacrawler Metafind Mirror Misspellings