HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Progressive Web Apps (PWAs) are web apps built and enhanced with modern APIs to deliver enhanced capabilities, reliability, and installability while reaching anyone, anywhere, on any device, all with a single codebase.
Tengine is a web server which is based on the Nginx HTTP server.
UmiJs is a scalable, enterprise-class frontend application framework that supports both configuration and conventional routing while maintaining functional completeness, such as dynamic routing, nested routing, and permission routing.