Meaning of Icons in the Status Column

On MainWP > Sites > Manage tab the Status column shows you the current status of your websites:

• The dark green icon with a number will show you the number of available updates on your site.
• The red exclamation mark indicates that the site is down.
• The green checkmark icon indicates that your site is online.

Also, your Status column can show you this icons:

• The red plugin icons indicates that site is disconnected from dashboard.
• The yellow radiation icon indicates a plugin or theme conflict.