This may sound little unrealistic, but based on the analysis of writing style of a person it can be easily judged whether the write was a male of female. Although there are several libraries available to do the analysis and classification, an online service http://www.uclassify.com/ provides API to do this for you. Using uclassify API’s Written text gender and age recognition can be done easily.
Below are two website which can be used to this classifications directly. Just enter the URL of the website or blog and it will show you the details. In my case results were 100% correct. Results returned by http://www.urlai.com are here :
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