what, in your opinion, makes a good blog?

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Hello, I am the owner and maker of http://cokeandmenthos.blogspot.com and was wondering what you think makes a good blog. I personally have been trying to write on topics people are interested in and try to involve the reader but I have only a little bit of readers making this quite difficult. I tried to attract more faithful readers by bringing in a comic of the day at the end of each post but that did not seem to have much effect. So, in your opinion, what makes a good blog? How could I improve mine? Thank you for your response