Optimize for CDN caching

favicon.ico

@@ -0,0 +1 @@
+

index.html

@@ -15,10 +15,6 @@
         <style>
 
             body {
-                background-image: url(<?php
-                $bgs = glob("img/bg/*.jpg");
-                echo $bgs[array_rand($bgs, 1)];
-                ?>);
                 background-attachment: fixed;
             }
 
@@ -157,6 +153,17 @@
         <script>
             window.onload = function () {
                 createMap();
+
+                var bgs = [
+                    "dale-nibbe-GR09HcWwP-w-unsplash.jpg",
+                    "hide-obara-VzWx1l2LuIA-unsplash.jpg",
+                    "john-fowler-jcbq3qWpKoo-unsplash.jpg",
+                    "mark-harpur-K2s_YE031CA-unsplash.jpg",
+                    "renns-art-TXhxOXHN1EE-unsplash.jpg",
+                    "solotravelgoals-7kLufxYoqWk-unsplash.jpg"
+                ];
+                var bgimg = bgs[Math.floor(Math.random() * bgs.length)];
+                $("body").css("background-image", "url(./img/bg/" + bgimg + ")");
             };
 
             function dolookup(words) {