The document discusses viewability in digital advertising. It is defined as an ad being 50% in the viewport for 1 continuous second. Viewability is often measured at different points, such as by the publisher, SSP, or advertiser, leading to varying reported rates. The longer the ad call chain, with multiple programmatic partners involved, the lower the measured viewability tends to be. The key takeaway is that achieving zero discrepancy in viewability metrics is difficult, as the measurement start point impacts the reported rate.
2. WHAT EVERYBODY KNOWS ABOUT VIEWABILITY…
viewport
IAB Standard Definition :
An ad is considered viewed when
50% of it’s area is in the viewport
during 1 continuous second.
3. WHAT MOST DON’T KNOW ABOUT VIEWABILITY
!
* Viewability Measurers Accredited by MRC
4. WHAT MOST DON’T KNOW ABOUT VIEWABILITY
Exemple of Attention Distribution
20 %
35 %
50 %
65 %
80 %
1 sec 2 sec 3 sec 4 sec 5 sec 6 sec 7 sec 8 sec
!
* Viewability Measurers Accredited by MRC
5. WHAT MOST DON’T KNOW ABOUT VIEWABILITY
Exemple of Attention Distribution
20 %
35 %
50 %
65 %
80 %
1 sec 2 sec 3 sec 4 sec 5 sec 6 sec 7 sec 8 sec
!
Viewability
80%
element
in viewport
* Viewability Measurers Accredited by MRC
6. WHAT MOST DON’T KNOW ABOUT VIEWABILITY
Exemple of Attention Distribution
20 %
35 %
50 %
65 %
80 %
1 sec 2 sec 3 sec 4 sec 5 sec 6 sec 7 sec 8 sec
!
Viewability
80%
element
in viewport
* 1st measure
70%
publisher
adserver response
* Viewability Measurers Accredited by MRC
7. WHAT MOST DON’T KNOW ABOUT VIEWABILITY
Exemple of Attention Distribution
20 %
35 %
50 %
65 %
80 %
1 sec 2 sec 3 sec 4 sec 5 sec 6 sec 7 sec 8 sec
!
Viewability
80%
element
in viewport
* 1st measure
70%
publisher
adserver response
RTB 1 2nd measure
60%
SSP
response
* Viewability Measurers Accredited by MRC
8. WHAT MOST DON’T KNOW ABOUT VIEWABILITY
Exemple of Attention Distribution
20 %
35 %
50 %
65 %
80 %
1 sec 2 sec 3 sec 4 sec 5 sec 6 sec 7 sec 8 sec
!
Viewability
80%
element
in viewport
* 1st measure
70%
publisher
adserver response
RTB 1 2nd measure
60%
SSP
response
* Viewability Measurers Accredited by MRC
RTB 2 - 3rd measure
55%
SSP
response
9. WHAT MOST DON’T KNOW ABOUT VIEWABILITY
Exemple of Attention Distribution
20 %
35 %
50 %
65 %
80 %
1 sec 2 sec 3 sec 4 sec 5 sec 6 sec 7 sec 8 sec
!
Viewability
80%
element
in viewport
* 1st measure
70%
publisher
adserver response
RTB 1 2nd measure
60%
SSP
response
Last measure*
45%
advertiser
adserver response
* Viewability Measurers Accredited by MRC
RTB 2 - 3rd measure
55%
SSP
response
10. WHAT MOST DON’T KNOW ABOUT VIEWABILITY
Exemple of Attention Distribution
20 %
35 %
50 %
65 %
80 %
1 sec 2 sec 3 sec 4 sec 5 sec 6 sec 7 sec 8 sec
!
Viewability
80%
element
in viewport
* 1st measure
70%
publisher
adserver response
RTB 1 2nd measure
60%
SSP
response
Last measure*
45%
advertiser
adserver response
SELL SIDE LOAD TIME
* Viewability Measurers Accredited by MRC
RTB 2 - 3rd measure
55%
SSP
response
11. WHAT MOST DON’T KNOW ABOUT VIEWABILITY
Exemple of Attention Distribution
20 %
35 %
50 %
65 %
80 %
1 sec 2 sec 3 sec 4 sec 5 sec 6 sec 7 sec 8 sec
!
Viewability
80%
element
in viewport
* 1st measure
70%
publisher
adserver response
RTB 1 2nd measure
60%
SSP
response
Last measure*
45%
advertiser
adserver response
SELL SIDE LOAD TIME BUY SIDE LOAD TIME
* Viewability Measurers Accredited by MRC
RTB 2 - 3rd measure
55%
SSP
response
13. KEY TAKE AWAY
Zero discrepancy is a dream:
Viewability rate depends on when you start measuring !
14. KEY TAKE AWAY
Zero discrepancy is a dream:
Viewability rate depends on when you start measuring !
Without header bidding,
More programmatic partners = less viewability