Error Message “Future home of something quite cool”

it looks your site using Wordpress,
on your WordPress dashboard, install plugins: Really Simple SSL, it quite simple awesome plugins than Cloudflare Flexible SSL plugins;

create pagerule on Cloudflare, format like this:
http:// * domain.tld/ * (remove space between characters stars)

on the SSL/TLS app, activated “Always use HTTPS”, and “Automatic HTTPS Rewrites”;

refresh your Wordpress Dashboard, you should re-login because SSL active.

now open your index page of your site, if there no any problem green SSL will show-up,
but when it is lack, just check your wp-config,php on the root of your site,
It should be a few lines generated by Really Simple SSL plugins, if it not on there just place this script right after PHP code opening:

//Begin Really Simple SSL Load balancing fix
if ((isset(_ENV["HTTPS"]) && ("on" == _ENV[“HTTPS”]))
|| (isset(_SERVER["HTTP_X_FORWARDED_SSL"]) && (strpos(_SERVER[“HTTP_X_FORWARDED_SSL”], “1”) !== false))
|| (isset(_SERVER["HTTP_X_FORWARDED_SSL"]) && (strpos(_SERVER[“HTTP_X_FORWARDED_SSL”], “on”) !== false))
|| (isset(_SERVER["HTTP_CF_VISITOR"]) && (strpos(_SERVER[“HTTP_CF_VISITOR”], “https”) !== false))
|| (isset(_SERVER["HTTP_X_FORWARDED_PROTO"]) && (strpos(_SERVER[“HTTP_X_FORWARDED_PROTO”], “https”) !== false))
) {
$_SERVER[“HTTPS”] = “on”;
//END Really Simple SSL

refresh your index domain, and back to you Cloudflare dashboard start to purge.