If the report date and period is the current day, this chart allows you to watch visitor traffic activity on your website in real-time.
If the report is not for the current day, the chart shows the yearly traffic activity on your website.
If you move your mouse pointer over the chart, you can view more detail on visitors traffic.
You can zoom the chart by selecting an area with your mouse. Click on the chart, let the button pressed and move the mouse to select the area.