| local data aggregators | Large businesses that collect and sell verified phonebook data |
| google panda algorithm | A major Google algorithm update that initially rolled out in February 2011, it was followed by numerous subsequent updates. The goal of Google Panda was to reduce the visibility of low-value content, often produced by “content farms. In 2016, Panda became part of Google’s core ranking algorithm. |
| toolbar pagerank | A toolbar pagerank is a value between 0 and 10, which is assigned by the Google algorithm. This number quantifies the pages importance. However, it is not as reliable as a simple pagerank. Rather, this type of ranking is only updated periodically through the year and is not considered a reliable indicator of status. |
| contested name space | Noun phrase. A name sapce (q.v.) for which opposing points of view are being promoted. |
| cache-to-ranking latency | Noun phrase. The length of time that elapses from a pages contents being reported in a search engine cache image until the page contents are found for specific queries. |