Why isn't the Alexa ranking displayed?
The Alexa ranking isn't displayed on some websites because it is an algorithm that is used to measure the traffic of a website. It is a complex ranking that takes into account many factors, including the number of unique visitors, pages viewed, and how long visitors stay on a website.
Conclusion
The Alexa ranking isn't displayed on websites for a number of reasons. One reason is that it is a private company and they don't have to release its ranking. Another reason is that it is not always accurate.