Ads.Txt: The once and future savior of programmatic?

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It sounds simple — publishers put a text file on their web servers that list all the companies that are authorized to sell their ad space. Programmatic platforms do something similar to confirm which publisher’s space they are authorized to sell. Ad buyers make sure both match up, and ad fraud is thwarted.

Simple it is — and effective — but for some reason, it’s been slow to catch on. Last December, a study showed that just 20 percent of publishers had adopted “ads.txt,” a fraud prevention solution. A new study, however, reports that 60 percent of the top U.S. publishers are now onboard.

Movéo insight:

As with any new technology, it helps to have champions. Google began blocking purchases of ads.txt-identified inventory in November 2017, six months after it was introduced. Many others have followed; however, the most important impetus may be advertisers. The study quoted earlier notes that half are suspicious of publishers that don’t use ads.txt and another third said they would only advertise with publishers who do use it.

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