Unless an advertisement or campaign on a specific web page / ad space does not appear may be due to various reasons, here are the most important:
- The campaign is not active
- The campaign date is before / after the current date
- The ad is not active
- The campaign is not booked
- The campaign is booked only on a particular web page / ad space
- The campaign is booked only for certain promotional material
- The campaign was excluded for this site / Advertising / Channel
- The format of the creative does not match the format of the placement agreement (eg 728x90 banner on 120x600 advertising space)
- The type of the advertisement does not match the type of placement agreement (eg banners on pop-up advertising space)
- The ad is called "Script requires delivery" but marks the placement is included as IFrame
- The ad is a linked advertising media but there are not enough placement available
- The targeting of the campaign to prevent the display
- The frequency capping the campaign prevents the display
- Campaign optimization prevents the display
- The CTR optimization prevents the display
- The campaign has already reached its daily / hourly goals (eg booked View number)
- It attacks a mutual campaign exclusion ( "show CampaignA not to visitors Campaign B have already seen")
- The maximum number of advertising per page is reached
- The category of the campaign has been excluded from the website.
Keywords: booking, campaign, surrender