That has some major downsides. No caching, so any shared images need to be re-downloaded on every page. And the size of base64 if about 40% larger in my exper

That has some major downsides. No caching, so any shared images need to be re-downloaded on every page. And the size of base64 if about 40% larger in my experience. Request count is really not a big deal with HTTP/2 multiplexing.