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 Spring Web Data transfer https://github.com/UgoTran/springboot-data-transfer.git Options: -  get data from url, path variables, request params - request body: from-data, json body - ajax send json body data -  thymeleaf view layer

 Progressive web app   A progressive web app (PWA) is an app that's built using web platform technologies, but that provides a user experience like that of a platform-specific app. Like a website, a PWA can run on multiple platforms and devices from a single codebase. Like a platform-specific app, it can be installed on the device, can operate while offline and in the background, and can integrate with the device and with other installed apps.   tbd...