If your page is anything over a few KB in size you are really messing up then. Break CSS and JS into separate files so the browser can cache them and doesn't have to ask for them every single time the page is reloaded.
Http2 is different story.
If your page is anything over a few KB in size you are really messing up then. Break CSS and JS into separate files so the browser can cache them and doesn't have to ask for them every single time the page is reloaded.