diff --git a/server.py b/server.py
index 04dbdb5..3221175 100644
--- a/server.py
+++ b/server.py
@@ -261,8 +261,13 @@ def preview_url(
                     response = client.send(response.next_request)
                     if response.status_code not in range(200, 400):
                         response.raise_for_status()
-        except httpx.HTTPError as e:
-            raise HTTPException(500, f"Failed to fetch URL: {e!r}")
+        except httpx.HTTPStatusError as e:
+            if e.response.status_code in (204, 400, 401, 403, 405, 429, 410):
+                return JSONResponse({}, e.response.status_code, {"Cache-Control": "no-store"})
+            raise HTTPException(
+                e.response.status_code,
+                f"Failed to fetch {e.response.url} - HTTP {e.response.status_code}: {e.response.text}"
+            )
 
         if "text/html" not in response.headers.get("content-type", ""):
             return {}