temp switch to warn instead of error for the performance category

.lighthouserc.yml

@@ -9,16 +9,15 @@ ci:
       - http://localhost/posts/
     settings:
       chromeFlags: "--no-sandbox"
-      # FIXME: https://github.com/GoogleChrome/lighthouse/issues/11460
-      throttlingMethod: devtools
   assert:
     preset: "lighthouse:no-pwa"
     assertions:
       uses-long-cache-ttl: off
       tap-targets: warn
       unsized-images: warn
+      # FIXME: https://github.com/GoogleChrome/lighthouse/issues/11460
       categories:performance:
-        - error
+        - warn
         - minScore: 0.95
       categories:accessibility:
         - error

layouts/partials/head.html

@@ -13,6 +13,7 @@
 <link rel="preload" as="font" href="/fonts/LiberationSans-Italic.woff2" type="font/woff2" crossorigin="anonymous">
 <link rel="preload" as="font" href="/fonts/LiberationMono.woff2" type="font/woff2" crossorigin="anonymous">
 <link rel="preload" as="font" href="/fonts/DroidSans.woff2" type="font/woff2" crossorigin="anonymous">
+<link rel="preload" as="font" href="/fonts/GeekdocIcons.woff2" type="font/woff2" crossorigin="anonymous">
 
 <link rel="preload" href="{{ "main.min.css" | relURL }}" as="style">
 <link rel="stylesheet" href="{{ "main.min.css" | relURL }}" media="screen">