diff --git a/src-web/components/IconButton.tsx b/src-web/components/IconButton.tsx
index 3ddad745..acb73418 100644
--- a/src-web/components/IconButton.tsx
+++ b/src-web/components/IconButton.tsx
@@ -1,6 +1,7 @@
 import { forwardRef } from 'react';
 import { Icon, IconProps } from './Icon';
 import { Button, ButtonProps } from './Button';
+import classnames from 'classnames';
 
 type Props = Omit<IconProps, 'size'> & ButtonProps<typeof Button>;
 
@@ -10,7 +11,14 @@ export const IconButton = forwardRef<HTMLButtonElement, Props>(function IconButt
 ) {
   return (
     <Button ref={ref} className="group" {...props}>
-      <Icon icon={icon} spin={spin} className="text-gray-700 group-hover:text-gray-900" />
+      <Icon
+        icon={icon}
+        spin={spin}
+        className={classnames(
+          'text-gray-700 group-hover:text-gray-900',
+          props.disabled && 'opacity-70',
+        )}
+      />
     </Button>
   );
 });
diff --git a/src-web/components/ResponsePane.tsx b/src-web/components/ResponsePane.tsx
index 4768a884..9f5b10f8 100644
--- a/src-web/components/ResponsePane.tsx
+++ b/src-web/components/ResponsePane.tsx
@@ -64,7 +64,8 @@ export function ResponsePane({ requestId, error }: Props) {
                 {response.status}
                 {response.statusReason && ` ${response.statusReason}`}
                 &nbsp;&bull;&nbsp;
-                {response.elapsed}ms
+                {response.elapsed}ms &nbsp;&bull;&nbsp;
+                {Math.round(response.body.length / 1000)} KB
               </HStack>
               {contentType.includes('html') ? (
                 <iframe