When logged out, I see these headers in firefox:
HTTP/2.0 200 OK
expires: Thu, 19 Nov 1981 08:52:00 GMT
cache-control: no-store, no-cache, must-revalidate
pragma: no-cache
x-powered-by: Memberium 2.137
set-cookie: ia_leadsource=domainredacted; expires=Sun, 27-Oct-2019 23:34:40 GMT...