| volume | The average monthly number of searches this keyword receives in one of Googles regional databases. |
| keyword phrase anchor links | Links that use keywords or phrases as anchor text. |
| soft 404 | When a non-existent page (a page that has been deleted/removed) displays a ?page not found message or page to anyone trying to access it, but fails to return a HTTP 404 status code. In other words, the content of a web page displayed is entirely unrelated to the HTTP response returned by the server. |
| supplemental result | Supplemental results are webpages that rank in Googles secondary or supplemental index. These types of results are ranked as less important or valuable by Google but will display in the search engine results page should there not be enough pages to return from the main index for a particular search. |
| dofollow link | Dofollow links are standard HTML links that do not have the rel=nofollow attribute. They are very valuable from an SEO perspective. |
