To my surprise (not the first time!), the results of the A/B test were conclusive: complying with the Cookie Law does not affect your conversion rate! (strictly speaking, the version without a visible notice had a 5% better conversion rate but the difference was not statistically significant
So, yes, you may not enjoy “polluting” your landing page with legal notices but at least this one looks harmless. I guess people are too used to all kinds of distractions so one more does not really affect their behaviour.
Featured image taken from Surian Soosay