diff --git a/docs/src/components/Preview.svelte b/docs/src/components/Preview.svelte
index 29252776..6530fc8a 100644
--- a/docs/src/components/Preview.svelte
+++ b/docs/src/components/Preview.svelte
@@ -35,7 +35,7 @@
   {/if}
   <div class="preview-viewer" class:framed>
     {#if framed}
-      <iframe title={src.split("/").pop()} src={themedSrcUrl}></iframe>
+      <iframe loading="lazy" title={src.split("/").pop()} src={themedSrcUrl}></iframe>
     {:else}
       <slot />
     {/if}