Home › Google Adwords Question What is the recommended minimum amount of time to let a display campaign run before analyzing performance metrics? By · Sunday, November 23, 2014 What is the recommended minimum amount of time to let a display campaign run before analyzing performance metrics? Answer - 2-3 weeks Google Adwords Question GA Gaurav Arora, Digital Media Lead. 10+ years running paid media and tracking for brands in the USA, UK and Canada.