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Facebook Ad Conversions “Misvalued” by Third-Party Analytics

Facebook Ad Conversions “Misvalued” by Third-Party Analytics


Rakuten Marketing has found attributable revenue from Facebook ad campaigns could be much higher than web analytics suggest, causing some companies to misvalue conversion influence to the tune of millions.

Global client performance data from Rakuten’s affiliate network revealed “discrepancies” between Facebook conversion tracking and web analytics, which are obscuring 192% more attributable value and higher return on ad spend for mobile campaigns.

For one of its clients, Rakuten Marketing said attributable revenue from Facebook conversion tracking and could be as high as £3.8 million annually, while web analytics places the figure at just £1.6 million.

Identification issue

Although Rakuten summarised that conversion tracking was “largely underreported” across the network, it’s the 192% difference in mobile performance that will surely be viewed as the most shocking takeaway from the new report - ‘The Facebook Measurement Divide’.

While a discrepancy between Facebook conversion tracking and third-party web analytics also exists for desktop campaigns, it is significantly lower, averaging 3%, which indicates cross-device identification as a primary cause.

However, the report also suggests that Facebook’s model of attribution, which captures post-click conversions, could be playing a part in discrepancies with third-party web analytics typically capturing last-click conversions.

“The findings of this report highlight that marketers need to be diligent about gaining transparency into their performance measurement,” said Tony Zito, CEO of Rakuten Marketing.

“Innovation is affecting consumer behaviour at a pace that does not allow for one-time attribution models that will accurately measure current and future marketing strategies. Our focus is to arm marketers with actionable insights that empower them to capitalise in the rapidly evolving landscape in which they compete.”

The report comes amid scepticism around Facebook’s own advertiser analytics, following admittance that its video ad viewability figures had been “miscalculated” for two years.

This led some in the industry to ask whether the social network itself should be subject to third-party verification.

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Mark  Jones

Mark Jones

Mark manages all aspects of editorial on PerformanceIN as the company's Head of Content, including reporting on the fast-paced world of digital marketing and curating the site’s network of expert industry contributions.

Going by the ethos that there is no 'jack-of-all-trades' in performance marketing, only experts within their field, Mark’s day-to-day aim is to provide an engaging platform for members to learn and question one another, helping to push the industry forward as a result.

Originally from Plymouth, Mark studied in Reading and London, eventually earning his Master's in Digital Journalism- before making his return to the West Country to join the PI team in Bristol.

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