Send the following on WhatsApp
Continue to ChatHTML5 application cache manifest and it's types https://www.computersciencejunction.in/2018/12/16/html5-cache-manifest-and-its-types-html/
HTML5 application cache manifest and it's types https://www.computersciencejunction.in/2018/12/16/html5-cache-manifest-and-its-types-html/