Perhaps they had a very novel idea: let's not send the user an empty page which then makes a request for several dozen javascripts from all over the internet an

Perhaps they had a very novel idea: let's not send the user an empty page which then makes a request for several dozen javascripts from all over the internet and then loads the page content via javascript which then loads a framework which loads the page via running more javascript through a javascript template, but instead just sending the page without the added nineteen layers of unnecessary javascript.