def status_codes_by_date_chart():
    """Chart for status codes by date."""
    return {'chart': {'type': 'area', 'zoomType': 'x'}, 'title': {'text':
        None}, 'xAxis': {'type': 'datetime'}, 'yAxis': {'title': {'text':
        None}}, 'legend': {'enabled': True}, 'tooltip': {'shared': True},
        'plotOptions': {'area': {'lineWidth': 1, 'marker': {'lineWidth': 1}}}}
