![Building a real-time user action counting system for ads | by Pinterest Engineering | Pinterest Engineering Blog | Medium Building a real-time user action counting system for ads | by Pinterest Engineering | Pinterest Engineering Blog | Medium](https://miro.medium.com/max/1400/1*8SqZ7P4Rb-3WjoJgqxJv3Q.png)
Building a real-time user action counting system for ads | by Pinterest Engineering | Pinterest Engineering Blog | Medium
![08. Tracking and Reporting Impressions, Clicks, and Conversions in AdTech Platforms - The AdTech Book by Clearcode 08. Tracking and Reporting Impressions, Clicks, and Conversions in AdTech Platforms - The AdTech Book by Clearcode](https://adtechbook.clearcode.cc/wp-content/uploads/2020/03/impressions-tracking-method-2.png)
08. Tracking and Reporting Impressions, Clicks, and Conversions in AdTech Platforms - The AdTech Book by Clearcode
![How in view impressions are counted by Impression verification service ? and How can we say that one valid viewable impression is counted ? How in view impressions are counted by Impression verification service ? and How can we say that one valid viewable impression is counted ?](https://adtagmacros.com/wp-content/uploads/2015/01/inview.png)
How in view impressions are counted by Impression verification service ? and How can we say that one valid viewable impression is counted ?
![08. Tracking and Reporting Impressions, Clicks, and Conversions in AdTech Platforms - The AdTech Book by Clearcode 08. Tracking and Reporting Impressions, Clicks, and Conversions in AdTech Platforms - The AdTech Book by Clearcode](https://adtechbook.clearcode.cc/wp-content/uploads/2019/08/Click-tracking-publishers-server.png)
08. Tracking and Reporting Impressions, Clicks, and Conversions in AdTech Platforms - The AdTech Book by Clearcode
![What is Cost-per-Thousand Impressions (CPM)? — CPM Definition | by Emre Elbeyoglu | Popupsmart | Medium What is Cost-per-Thousand Impressions (CPM)? — CPM Definition | by Emre Elbeyoglu | Popupsmart | Medium](https://miro.medium.com/max/800/0*LPQNFcdi7W-CHmRi.jpeg)