How come https://hkmap.live/ https://hkmap.live/ is still online while the app cannot? if GCF(Great china firewall) can block Quartz, they can block this URL as

How come https://hkmap.live/ https://hkmap.live/ is still online while the app cannot? if GCF(Great china firewall) can block Quartz, they can block this URL as well right? thank god we still have an open web where few websites can still be there and not inside a walled garden..