"Offline Web Applications" . "\n This course is focused squarely on user experience, and seeks to show\n developers how thinking offline-first is the best way to ensure that\n applications perform their best in all scenarios, not just ideal ones. You'll\n learn to recognize the differences between good, poor, intermittent, and\n missing connectivity for your users , and how to make applications\n that navigate these conditions with ease.\n " . . .