diff --git a/src/tmpl.html b/src/tmpl.html
index 5aa28fe..e0283e5 100644
--- a/src/tmpl.html
+++ b/src/tmpl.html
@@ -2,7 +2,7 @@
 <html lang="en">
 <head>
     <link rel="preload"  href="/bundle.css">
-    <link rel="preload"  href="/materialicons.woff2">
+    <link rel="preload"  href="/materialicons.woff2" as="font" type="font/woff2">
     <link rel="preload"  href="/main.js">
     <link rel="preload"  href="/apple-touch-icon.png">
     <link rel="preload"  href="/favicon-32x32.png">
@@ -10,8 +10,8 @@
     <link rel="preload"  href="/site.webmanifest">
     <link rel="prefetch" href="/blog/">
     <link rel="prefetch" href="/">
-    <link rel="prefetch" href="/xertun.webp">
-    <link rel="prefetch" href="/thing.webp">
+    <link rel="prefetch" href="/xertun.webp" as="image" type="image/webp">
+    <link rel="prefetch" href="/thing.webp" as="image" type="image/webp">
 
     <meta name="google-site-verification" content="bjvkxJW39IrGsgIIZidzUziC9B0c5Ej0ncQX2Btyv60" />
     <meta charset="UTF-8">
