| information retrieval | The process of searching for information (e.g., text, images, video) from a large database and then presenting the most relevant information to an end user. |
| accelerated mobile pages | A project supported by Google to create mobile versions of webpages that load as fast as possible in search. These pages are built using a special set of HTML to make the page light and easy to serve quickly. |
| number of results | The amount of all search results in the search engine returned for a search query. |
| made for advertisements | These types of sites are designed as a venue for advertisements. |
| purchased links | Exchanging money, or something else of value, for a link. If a link is purchased, it constitutes an advertisement and should be treated with a nofollow tag so that it does not pass PageRank. |
