How to make a successful blog??

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Today making a blog to communicate to other people or share something about yourselves is very popular of all over the world~. But how can we make it better? That's also the problem for me. About 3 weeks ago i make a blog. At the begining, I was very excited and started to decorate my blog. But now the click ratio of my blog is also very low and I don't know how to solve this problem! So who can help me and give me some suggestions how to do it better?? my blog address: http://sarah-lixin.blogspot.com