Update index.html

index.html

@@ -190,7 +190,7 @@
             font-weight: bold;
         }
     </style>
-    <link id="googleFont" href="https://fonts.googleapis.com/css?family=Noto+Sans+JP" rel="stylesheet">
+    <link id="googleFont" href="https://fonts.googleapis.com/css?display=swap&family=Noto+Sans+JP" rel="stylesheet">
     <style id="fontFamily">
         body {
             font-family: "Noto Sans JP";
@@ -856,7 +856,7 @@
         document.getElementById("googleFontInput").addEventListener("change", function () {
             let f = document.getElementById("fontFamily");
             let i = this;
-            document.getElementById("googleFont").setAttribute("href", "https://fonts.googleapis.com/css?family=" + i.value.trim());
+            document.getElementById("googleFont").setAttribute("href", "https://fonts.googleapis.com/css?display=swap&family=" + i.value.trim());
             f.textContent = 'body { font-family: "' + i.value.trim() + '"; }';
         });