Offline Web applications
Although there are plenty of exciting features within HTML5 that don't explicitly help our responsive quest (the Geolocation API, for example), Offline Web applications potentially could. As we're aware of the growing number of mobile users likely to be accessing our sites, how about we provide a means for them to view our content without even being connected to the Internet? The HTML5 Offline Web applications feature provides this possibility.
Such functionality is of most obvious use to web applications (funnily enough; wonder how they thought up the title). Imagine an online note-taking web application. A user may be halfway through completing a note when their cell phone connection drops. With HTML5 Offline Web applications, they would be able to continue writing the note whilst offline and the data could be sent once a connection is later available.
What's great about the HTML5 Offline Web applications tools is that they are too easy to set up and use. Here, we...