"Simple, dependable architectures such as the one covidtests.gov seems to employ are proven at scale. This affords agencies the space to focus on improved user experience and service delivery, rather than consuming large resources keeping sites up and running. This takes operational experience and know-how, though; even with the use of managed services, composing a full, end-to-end digital service experience takes skill."The free covid tests site is powered by standard AWS components. And it seemed to hold up well under pressure, nice work USPS.