The user who visits the websites sits on your desktop PC and connected by wires to the Internet so as not to lose their Internet connection is no longer and therefore not able to gain access to the sites. Today, mobile devices are becoming the most widely used, and when the user is in a metro station underground, or in the elevator, The online coverage will go to display and therefore will not open to display web sites.
Fortunately, the modern Internet browsers have become supports Service Workers technique, a new technology that allows to provide online content to users even when they do not have an Internet connection, so the site owners to take advantage of this technology and introduced to their sites to become any visitor can visit their site are able to access it until when Internet outages has.
To take advantage of this technology and add websites can be used to draft UpUp open source, and that this feature allows Once the call is only one thing, which easily allows the direct simple messages from one page fully functional in order to provide the information without an Internet connection, with the ability to customize the data directed to the visitors.
Website: UpUp
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