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. S* q( w" O: a* Z
But here is the list of main reasons which can cause a high discrepancy:' g- w8 I( J& t$ [9 y" c/ f$ `" z
- there may be a number of zones causing the discrepancy, so we recommend to you to check by zones and exclude such if any1 z$ ~( d2 }) f1 n& r# P
- the more redirects are in the url the more chances it will cause the discrepancy 1 p. S9 t* Z) c7 a6 V( v' 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. 4 |+ ?0 L8 O2 ] ~) [4 S& `! J# }4 J
为什么我感觉官方的解释很敷衍