php - Refresh webpage at specific time while hiding it from the user -


i need refresh content of site @ specific time (hour:min:sec), don't want user know when refreshed.

i don't want refresh page every 30 seconds. want reload content on specific date, including seconds, , don't let user know date.

what options have?

please use node.js or server side push model.i guess purpose. check ajax push model(reverse ajax)


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