document.write('\
\
  <meta name="description" content="Hablo de Software, diseño y Anime">\
  <meta name="author" content="Rubén - twitter.com/cont3mpo">\
  <meta name="viewport" content="width=device-width, shrink-to-fit=no, initial-scale=1">\
  <link rel="shortcut icon" type="image/png" href="img/favicon.png">\
  <link rel="preload stylesheet" href="css/style.css" as="style">\
\
');

@@ -305,24 +305,95 @@
 icon.png%22%3E%5C%0A
+  %3Clink rel=%22preload stylesheet%22 href=%22css/normalize.css%22 as=%22style%22%3E%5C%0A
   %3Clink rel=

Update head.js