| volatility | A way to measure a tendency towards change or unpredictability. In relation to search engines, high volatility means there is a high amount of change occurring in the search results. Low volatility means that there is general stability. |
| link flow | Noun phrase. An expression used by many people to describe PageRank. In SEO Theory, link flow is the link pathway users and search engines may use to get from one page to another regardless of whether the links pass PageRank-like value within any given search engines algorithms/index. |
| sergey brin | |
| unique visitors | Total number of unique users that have visited a webpage in a given period. |
| google ads traffic price | Estimated monthly expenses for a Google Ads campaign. |
