FTA: <i>Note that the web platform will soon support loading stylesheets in a non-render-blocking manner, without having to resort to using JavaScript, using HTML Imports.</i><p><a href="https:&#x2F;&#x2F;w3c.github.io&#x2F;webcomponents&#x2F;spec&#x2F;imports&#x2F;#link-type-import" rel="nofollow">https:&#x2F;&#x2F;w3c.github.io&#x2F;webcomponents&#x2F;spec&#x2F;imports&#x2F;#link-type-...</a><p>All is not lost, it seems.