| rank tracker tool | A tool that provides data regarding a sites positions on search engine results for particular queries. |
| hummingbird | Hummingbird is a Google search algorithm, first announced August 2013. Hummingbird was aimed at understanding the concepts behind keywords. |
| google hummingbird | A Google search algorithm that was officially announced in September 2013 after it had been in use for a month. The purpose of Hummingbird was to better understand the full context of queries (i.e., semantic search), rather than certain keywords, in order to provide better results. |
| hits algorithm | Hyperlink-Induced Topic Search is a link analysis algorithm that assesses a value not just based on content and inbound links (authorities), but also its outbound links (hubs). |
| pagerank trap | Noun phrase. A specialized form of link bait, a PageRank trap is a page whose outbound links only point to other pages on the same domain or site. Usually an article or forum discussion thread that attracts links from other sites. |
