Eric Walker added Making PWAs work offline with Service workers - Progressive web apps (PWAs) | MDN to Progressive web apps, and added Progressive web apps to Web applications

Eric Walker added Progressive web apps and Web development and design to Web applications, and added Web applications to Software and programming

Eric Walker added a number of topics and a number of links to Web development and design, and added Web development and design to Web applications

Eric Walker added a number of topics and a number of links to Software and programming, and added Software and programming to Technology