Lazy load images

layouts/partials/figure.html

@@ -9,7 +9,7 @@
     {{ with index . "src" }}
         {{ $media := . }}
         {{ if eq .MediaType.MainType "image" }}
-            <img src="{{ $media.Permalink }}" alt="{{ $media.Title }}" />
+            <img src="{{ $media.Permalink }}" alt="{{ $media.Title }}" loading="lazy" />
         {{ else if eq .MediaType.MainType "video" }}
             <video controls preload="metadata">
                 <source src="{{ $media.Permalink }}" alt="{{ $media.Title }}">

layouts/partials/remote_figure.html

@@ -10,7 +10,7 @@
 {{ end }}
 
     {{ if eq $type "image" }}
-        <img src="{{ $src }}" alt="{{ $alt }}" />
+        <img src="{{ $src }}" alt="{{ $alt }}" loading="lazy" />
     {{ else if eq $type "video" }}
         <video controls preload="metadata">
             <source src="{{ $src }}" alt="{{ $alt }}">