| Column | Meaning |
| Viewability measurable | Number of measurable opportunities |
| Viewability not measurable | Number of times the value could not be determined. Not measurable are, for example, iFrames |
| Area Visible | Of the measurable areas, it is checked how often the area was at least 50% and at least 1 second in the visible area (50/1 is the industry standard according to OVK) |
| Viewability Views (vViews) | Number of visible ad impressions |
| Viewability CTR (vCTR) | Clicks/ vViews*100 |
| vCPM (Advertiser) | Sum (Advertiser)/ vViews*1000 |
| vCPM (Publisher) | Sum (Publisher)/ vViews*1000 |
| Viewability Rate (%) | Ratio between measurable opportunities and actually visible areas |
| Viewability Measurement (%) | Ratio between measurable and non-measurable areas |