To track your USPS Certified Mail, you can use the AfterShip tracking page. Here are the steps to follow:
Find your tracking number;
Visit the AfterShip Tracking Page by following this link: https://www.aftership.com/track.
Enter your tracking number: On the tracking page, enter your USPS Certified Mail tracking number and click the "Track" button.
Review tracking information: After a moment, the website will display the current status of your package, including its last known location and estimated delivery date.
If you have any additional questions, please contact USPS customer service for further assistance.