CTR Statistics:
Online ads average CTR (Click Through Rate): 0,10 - 0,3%
(Source: DoubleClick Benchmark Report 2009 / ADTECH via Association of Online Publishers 2009)
CTR Average (Click - Through - Rate) ad banners on Portbooker.com: 0.47 - 2.15%
(Source: Portbooker OpenAds Statistics) - owed to highly defined marked segmentation