I have a web app that dynamically updates every second using ajax.
what it does right now is load a php generated xml file every second and updates with the returned info, but is there a better way? like to only get new information instead of updating weather its new or the same info as last time?
what it does right now is load a php generated xml file every second and updates with the returned info, but is there a better way? like to only get new information instead of updating weather its new or the same info as last time?