WAP (Wireless Application Protocol)
WAP is a communications protocol whose purpose is to make it possible to access the internet using a mobile terminal (for instance, a mobile phone, a PDA, etc.).
It redefines HTTP, the format of HTML data, images and interactivity provided by JavaScript, for the world of devices with small screens, low-power processors, and limited autonomy (smart phones).
The protocol is maintained by the Open Mobile Alliance (formerly Wap Forum).
 
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