Offline Use
A very important feature of a web application is the
ability to run offline without the need of a data connection
such as Wi-Fi, 3G, GPRS, etc. This enables the user to
have immediate access to the application from his browser,
everywhere he is, without the need of mobile network or
wireless network access at all. We also have to consider
the benefits we gain of the decrease of the server load as
the application run locally on the user’s device. Only the
requests that cannot be served locally will be sent to the
server. The application has full functionality while offline,
excluding the functions that must have Internet access. The
user can take photos, record video or audio even save the
current location or preview or manage his files in gallery
and all that while been offline. Figure 3 presents the video
playback feature of the application through standard web
technologies.
One more important functionality is the ability to store