| index | A huge database of all the content search engine crawlers have discovered and deem good enough to serve up to searchers. |
| flighting | Flighting is an advertising term in which messages are scheduled to be displayed at certain times and then not shown at other times. The time when an ad is displayed is called a flight. |
| historical data | The data that allows you to perform research on keywords and domains from previous months. Domain Analytics and Keyword Analytics historical data goes back to January 2012. PLA historical data goes back to September 2013. Traffic Analytics historical data goes back to April 2016. |
| viral content | This is content that goes around the internet and gets shared among a large number of people, usually within a very short period of time. These included videos and social media posts. |
| page jumps | See anchor links. |
