tried to lazy load home images, but a better solution is to have to home version one html the lightest possible for first laod, and one rich for vuejs display

web/themes/custom/materiotheme/templates/field/image-formatter.html.twig

@@ -0,0 +1,18 @@
+{#
+/**
+ * @file
+ * Theme override to display a formatted image field.
+ *
+ * Available variables:
+ * - image: A collection of image data.
+ * - image_style: An optional image style.
+ * - url: An optional URL the image can be linked to.
+ *
+ * @see template_preprocess_image_formatter()
+ */
+#}
+{% if url %}
+  {{ link(image, url) }}
+{% else %}
+  {{ image }}
+{% endif %}