| ecommerce | Buying and selling products online. |
| alt attribute | HTML code that provides information used by search engines and screen readers (for blind and visually-impaired people) to understand the contents of an image. |
| pigeon algorithm update | a Google update to local search which brought it into line with more signals typically associated with general web search. |
| correlation | The extent to which a relationship exists between two or more elements. Often used in SEO research to infer relationships of variables on search rankings due to the black box nature of algorithms. Always remember, however, that correlation ≠ causation. |
| icognito tab | In a Web Browser, an incognito tab (or private window) is a tab that does not store Cookie information. This means that previous searches or visited sites wont affect your search results, although location might still influence them. You can access a private tab by pressing CTRL + Shift + N. |
