Exactly. It seems the less people know about web tech, the more third party stuff the add to a website. And then they wonder why the visitors drop off and hate

Exactly. It seems the less people know about web tech, the more third party stuff the add to a website. And then they wonder why the visitors drop off and hate the sites. Some website got so bad, that they crash mobile browsers due excessive CPU/memory usage. As you mentioned server side generated code with eg PHP and HTML5, CSS3 and JS5+ is in many cases all you need to know.