| bow-to-stern latency | Noun phrase. The amount of time that elapses from when a search engine caches the deepest reachable page after the last time it caches the root URL of the site. |
| idiot threshold | Noun phrase. A figurative status at which a document has accrued enough meaningless links through word-of-mouth that the document assumes the status of being an authority on a topic. |
| xenu link sleuth | free software used to check for broken or external links, and creating sitemaps. |
| protected name space | Noun phrase. A name space (q.v.) for which search reputation management (q.v.) is being performed. |
| super synonyms | Noun phrase. This is a non-standard phrase coined by Google to loosely describe how their neural matching (q.v.) algorithms associate words to concepts. There is no formal definition in computer science or information retrieval science for super synonym. |