| column | meaning |
| Viewability measurable | Number of measurable possibilities |
| Viewability not measurable | Number of times the value could not be determined. Not measurable are e.g. iFrames |
| Area visible | The number of times the area has been visible for at least 50% and at least 1 second is displayed by the measurable times |
| Viewability rate (%) | Ratio between measurable possibilities and actually visible areas |
| Viewability measurement (%) | Ratio between measurable and non-measurable surfaces. |
Columns: Viewability
