Then I wanted to find out the approximate attendance of Habr, and what a thing he found

As you can see, the attendance (hits) of Habra fell several times in a year. In June there was a sharp surge, and then a fall. Moreover, in one way or another this was also observed on IT resources cited to the heap.
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So I think, what is it connected with? The fall could have been explained by the crisis, but it started all the same later. Or summer holidays overlapped on the crisis, but then it is not clear if IT-shnik is so bad?