I figure why adsense CPMs drop throughout the day, because budgets are reached etc.
However I also have noticed, for practically all my sites, that CTR drops off throughout the day.
Are the morning surfers more likely to click than the evening ones? Are adults more likely to click than children? Its summer so shouldn't the kids be on in the morning anyways? Is it an east coast/west coast thing?
What do you think?
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