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IVT has often caused discrepancies in reporting between partners. If your supply tags have been flagged for bad health, you should talk to your supply partner immediately about getting their inventory cleaned up. For more detailed information to send to your partner, you should run reports in Create Reports and view the IVT Imps and IVT Imp % columns. For more information please go through the Post-Imp IVT Impression Detection section below.
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IVT Impression Detection
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You can use both the IVT Imps and the IVT Imps % columns available in reports, toggled to full view:
For tags that you see with high IVT Imp %, you can run domain reports for the same time parameters, filtered by the offending supply tag. Here you should take the domains with highest IVT Imp % to inform your partners of offending domains and block them via blacklists on the supply targeting level.
Note that IVT data is 8 hours behind other reporting data. This can lead to initial zeros in the IVT Imps and IVT Imps % columns.
Pre-Bid IVT Blocked requests are included in billable requests. Thus even though these requests are blocked before becoming an impression, you will still want to lower your Pre-Bid IVT Blocked requests to minimize your requests fee. To lower your Pre-Bid IVT Blocked rate, you can run a domain reports for the same time parameters, filtered by the offending supply tag. Here you should take the domains with highest Pre-Bid IVT Blocked rate to inform your partners of offending domains and block them via blacklists on the supply targeting level.
