| above the fold | Above the fold is usually about 600 pixels from the top of the page or the bottom of the browser window. It is the part of a web page that is visible without having to scroll down. |
| dofollow links | A link that provides link juice. Every normal link provides link juice unless they include a form of nofollow attribute. |
| crawler directives | Instructions to the crawler regarding what you want it to crawl and index on your site. |
| eighty-twenty rule | This is a rule that suggests that eighty percent of one particular product will be sold to twenty percent of the customers. This is usually within a store/shop that sells other products too. |
| topic efficiency | This metric (found in Topic Research) represents the ratio between a topics search volume and difficulty. A higher Topic Efficiency score is generally the result of higher volume and lower difficulty. High Topic Efficiency can represent a good topic to target with content marketing efforts. |
