| programming language | Writing instructions in a way a computer can understand. For example, JavaScript is a programming language that adds dynamic (not-static) elements to a web page. |
| headings | Text that is placed within heading tags, such as H1, H2, H3 or H4. The size and bold type provide a clear reading for the visitor. A search engine will use the text within these tags for categorizing the page. |
| link volume | The quantity of links on a page. |
| page view | In advertising, an impression refers to the instance of a user viewing a webpage. |
| log files | Files generated by a server and which contain a list of activities by websites and services in it. |
