We have carefully analyzed your request and would like to say that there might be numerous reasons why you see fewer impressions than we send you. & ` K1 M- z5 H; `/ c- X" D4 gBut here is the list of main reasons which can cause a high discrepancy:. W" o7 q; ]% u+ V! i
- there may be a number of zones causing the discrepancy, so we recommend to you to check by zones and exclude such if any . z) x9 S% i; ^! R2 X6 B- the more redirects are in the url the more chances it will cause the discrepancy : ?8 m0 s& |7 H' G/ j5 }& L# h @- if you use complex targeting, your tracker might do not recognize some of (opposite to our data), so it might cause the discrepancy too. Consider running a small test selecting just a GEO or GEO+platfom and check how it performs discrepancy wise. 8 g; ^) ?' d- }6 ~6 |6 z- F( N6 _$ J
为什么我感觉官方的解释很敷衍