The USPS is the website for the United States Postal Service. USPS is responsible for collecting and delivering mail, including postcards, letters, and parcels around the country. They also sell stamps and various packaging supplies and makes mailboxes available for rent. There are different levels of delivery in terms of how quickly mail is delivered, so there is a priority or express option for expedited delivery, and there are options for tracking packages.
Presents USPS's server response time over the last 24 hours. Increases in network response time can be an indicator for service outages or down servers. Persistent network outages are a clear sign that USPS is down for everyone not just you.