Google Secrets glossary for SEO, search engine optimization, ranking & web traffic

Google Secrets SEO Glossary - M

The following terms are used in Google Secrets and cover the spectrum of search engine optimization (SEO) - from keywords to meta tags to PageRank to link popularity to web traffic.

Main crawl. Main crawls are performed once a month by the main Google spider Googlebot; all pages of a site are crawled during a main crawl. Also known as the deep crawl.

META tags. HTML tags located in the section of a web page that specify information that is viewable only to a search engine. The two most commonly-used META tags are the "keywords" META tag and the "description" META tag.