images optimization

src/pages/_layouts/base.html

@@ -36,6 +36,9 @@
 	{% endif %}
 
 	{% include layout/css.html %}
+	<style>
+		body { display: none; }
+	</style>
 </head>
 
 {% assign layout-dark = page.layout-dark | default: site.layout-dark %}
@@ -50,5 +53,7 @@
 	{% if site.debug and jekyll.environment == 'development' %}
 		{% include layout/debug.html %}
 	{% endif %}
+
+	<script>document.body.style.display = "block"</script>
 </body>
 </html>