How do I tell if a chart is from MacroMicro or a user?

Please look at the line below the chart title:

・Official chart: displays「MacroMicro.me｜MacroMicro」
・User chart: displays「MacroMicro.me｜(username)」

• Official Charts: MacroMicro.me｜MacroMicro

• User Charts: MacroMicro.me｜(User Name)