javascript - Persistent client-side web storage -


we developing in-house web-based application viewing data reports while targeting on smartphones , tablets. our customer asked possibility devices access content. hence use technologies based on javascript/html5 no capable of reading unique id imei or device uuid. idea consists in making random id (very simple) , storing (not simple) such id on server , device using:

localstorage, cookies, html5 file api, websql, indexeddb wrapped in http://amplifyjs.com/api/store/ or http://samy.pl/evercookie/

the problem abovementioned techniques not quite persistent. vulnerable cookie and/or cache cleaning.

can make such id "more" permanent or find other workaround allow connect devices site?


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