https://blog.redpanthers.co/odyssey-in-rails/ - When you are writing something like article, text, document etc you are focusing on readability. If you are not then you should. As readability influence how a reader can read and understand the content, how you are presenting the content etc. It would also influence how much likely one is to share your article as well. To find the readability there are a lot of statistical tests. Few are listed below.