wappalyzer can't show the version of framework , plugins and wordpress?

[admin]

I installed wappalyzer extenssion on google chrome to test my wordpress website
but it can't show the version of wordpress , framework or plugins
as I test any other websites like as wordpress or joomla it show me the version of wordpress , framework or all there plugins
but when I test my site it can't show any version of them
please help me why
this is my wordpress website address

http://mehrmagazin.ir

please take a look and help me why it can't show the version of wordpress , framework and plugins