diff --git a/desktop/src/shared/ui/avatar.tsx b/desktop/src/shared/ui/avatar.tsx
index 4ec4cc6d23..edb2e0bc5d 100644
--- a/desktop/src/shared/ui/avatar.tsx
+++ b/desktop/src/shared/ui/avatar.tsx
@@ -25,6 +25,8 @@ const AvatarImage = React.forwardRef<
   <AvatarPrimitive.Image
     ref={ref}
     className={cn("aspect-square h-full w-full", className)}
+    decoding="async"
+    loading="lazy"
     {...props}
   />
 ));
diff --git a/desktop/src/shared/ui/markdown.tsx b/desktop/src/shared/ui/markdown.tsx
index 8f6cb5f17c..f78fc7da33 100644
--- a/desktop/src/shared/ui/markdown.tsx
+++ b/desktop/src/shared/ui/markdown.tsx
@@ -1494,7 +1494,9 @@ function ImageBlock({ alt, dim, resolvedSrc, src }: ImageBlockProps) {
           alt={alt}
           className="block h-auto max-h-64 max-w-[min(24rem,100%)] rounded-2xl object-contain"
           data-spoiler-media-size={hiddenSpoilerMediaSize ? "" : undefined}
+          decoding="async"
           height={intrinsicDimensions.height}
+          loading="lazy"
           ref={imageRef}
           src={resolvedSrc}
           style={spoilerMediaStyle}