Next try with header

server.py

@@ -122,7 +122,7 @@ class LeaderboardServer:
             )
             dataframe = dataframe[df_order]
             dataframe = dataframe.rename(
-                columns={key: f'<abbr title="{value["name"]}">{value["abbreviation"]}</abbr>' for key, value in self.tasks_metadata.items()}
+                columns={key: f'<a href="{value["source_url"]}" title="{value["name"]}">{value["abbreviation"]}</a>' for key, value in self.tasks_metadata.items()}
             )
             return dataframe