diff --git a/layouts/_default/_markup/render-image.html b/layouts/_default/_markup/render-image.html
index 9c7096dc..2b5974d0 100644
--- a/layouts/_default/_markup/render-image.html
+++ b/layouts/_default/_markup/render-image.html
@@ -32,6 +32,7 @@
           {{ end }}
         {{ end }}
         alt="{{ $altText }}"
+        loading="lazy"
       />
       {{ with $caption }}<figcaption class="text-center">{{ . | markdownify }}</figcaption>{{ end }}
     </figure>