I decided to use my own domain instead of renting the /github.io/, and also to insert Google adsense in my blog if possible. Even if I updated my blog only 10 times since Oct, 2017, the number of visitors and their sessions were steady by Google analysis. I appreicate the interest on my posts. Recently I started updating my blog again, and want to see the more industrial analytic result. At least I am sure the profit from the adsense will cover the cost for the domain.