diff --git a/spark-analytics/base/webview.yaml b/spark-analytics/base/webview.yaml
index 7da0c59..49b8292 100755
--- a/spark-analytics/base/webview.yaml
+++ b/spark-analytics/base/webview.yaml
@@ -76,14 +76,22 @@ data:
     def get_conn():
         return psycopg2.connect(host=DB_HOST, port=DB_PORT, dbname=DB_NAME, user=DB_USER, password=DB_PASS)
 
-    def table_row_count(table: str) -> int:
+    def all_row_counts() -> dict:
+        counts = {}
         try:
             with get_conn() as conn:
                 with conn.cursor() as cur:
-                    cur.execute(f"SELECT COUNT(*) FROM {table}")
-                    return cur.fetchone()[0]
+                    for _, _, table in DATASETS:
+                        try:
+                            cur.execute(f"SELECT COUNT(*) FROM {table}")
+                            counts[table] = cur.fetchone()[0]
+                        except Exception:
+                            conn.rollback()
+                            counts[table] = -1
         except Exception:
-            return -1
+            for _, _, table in DATASETS:
+                counts.setdefault(table, -1)
+        return counts
 
     def fetch_rows(table: str, limit: int = 10_000):
         with get_conn() as conn:
@@ -110,9 +118,10 @@ data:
         )
 
     def index_html() -> str:
+        counts = all_row_counts()
         cards = ""
         for slug, label, table in DATASETS:
-            count = table_row_count(table)
+            count = counts.get(table, -1)
             if count > 0:
                 badge = f'<span class="badge ready">{count} rows</span>'
             elif count == 0:
@@ -179,7 +188,10 @@ data:
             self.send_header("Content-Type", "text/html; charset=utf-8")
             self.send_header("Content-Length", str(len(data)))
             self.end_headers()
-            self.wfile.write(data)
+            try:
+                self.wfile.write(data)
+            except BrokenPipeError:
+                pass
 
     if __name__ == "__main__":
         server = HTTPServer(("0.0.0.0", PORT), Handler)