The Subject of Viewability in Digital Advertising Is Relatively New,but

The subject of viewability in digital advertising is relatively new,but important to most companies.What is viewability? Please select the answer that most accurately describes what viewability is.

A) It is an online advertising metric that aims to track only impressions that can actually be seen by users
B) It is an online advertising metric that captures whether or not your ad appeared on a website that was safe for the brand
C) It is an online advertising metric that captures how rapidly your ad loads on a page
D) It is an online advertising metric that captures whether or not your ad appears on the right-hand side of the page