nytai commented on a change in pull request #10606:
URL: 
https://github.com/apache/incubator-superset/pull/10606#discussion_r473177547



##########
File path: superset-frontend/src/components/ListViewCard/index.tsx
##########
@@ -163,31 +176,59 @@ function ListViewCard({
             <GradientContainer>
               <CardCoverImg
                 src={imgURL}
-                onError={e => {
-                  e.currentTarget.src = imgFallbackURL;
-                }}
+                fallback={imgFallbackURL}
+                isLoading={loading}
               />
             </GradientContainer>
           </a>
           <CoverFooter className="cover-footer">
-            {coverLeft && <CoverFooterLeft>{coverLeft}</CoverFooterLeft>}
-            {coverRight && <CoverFooterRight>{coverRight}</CoverFooterRight>}
+            {!loading && coverLeft && (
+              <CoverFooterLeft>{coverLeft}</CoverFooterLeft>
+            )}
+            {!loading && coverRight && (
+              <CoverFooterRight>{coverRight}</CoverFooterRight>
+            )}
           </CoverFooter>
         </Cover>
       }
     >
-      <Card.Meta
-        title={
-          <>
-            <TitleContainer>
-              <TitleLink href={url}>{title}</TitleLink>
-              {titleRight && <div className="title-right"> {titleRight}</div>}
-              <div className="card-actions">{actions}</div>
-            </TitleContainer>
-          </>
-        }
-        description={description}
-      />
+      {loading && (
+        <Card.Meta
+          title={
+            <>
+              <TitleContainer>
+                <Skeleton.Input active style={{ width: 250 }} size="small" />

Review comment:
       You are correct, they were generally not favorable (though I'm not so 
sure anymore with the rise in popularity of functional components). However, 
these components just end up rendering divs with some loading shimmer styles, 
they're about a simple/dumb as components get. It won't have a measurable 
impact on performance in this instance. I'll move them to emotion though for 
consistency with other components.  




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