Over 325,000 devices were tracked to understand the impact Lamar’s out of home campaign had on Vosker.com website visitation. The study measured  the traffic that visited Vosker.com as a result of the OOH advertising exposure.  A 14-day lookback window was utilized. 

To attribute website visits to the OOH campaign, the behavior of people who were exposed to the OOH campaign is compared to behavior of people who were not exposed to the campaign. The difference in website visits among exposed consumers compared to unexposed consumers is the lift of the OOH campaign.