It depends on the topic and subject. If it is one that we are searching for our reference or use then we stay there and go through it otherwise we move on to other blogs in that site or simply move out to other sites.Knowledge is power.
Most of the do this as a hack to save the time but it can leave a bad impact on the blog. And at the same time it also depends on the quality of the blog content. The content should be unique and attractive so the readers hook with content and spend more time. It also applicable for me too.