| meta tags | Information that appears in the HTML source code of a webpage to describe its contents to search engines. The title tag and meta description are the most commonly used types of meta tags in SEO. |
| url parameters | Information following a question mark that is appended to a URL to change the pages content (active parameter) or track information (passive parameter). |
| tracking code | A piece of JavaScript that populates Google Analytics with detailed traffic data from a website. |
| 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. |
| referring domains | otherwise known as a ref domain, a referring domain is a domain that a backlink is coming from. |