I am not certain the exact cause, but using HTTPS Everywhere with myfitnesspal.com causes an error on the site. Some details are here on a ticket opened by someone else with myfitnesspal.com http://myfitnesspal.desk.com/customer/portal/questions/17101256-site-down-for-maintenance
I am not certain the exact cause, but using HTTPS Everywhere with myfitnesspal.com causes an error on the site.
Some details are here on a ticket opened by someone else with myfitnesspal.com
http://myfitnesspal.desk.com/customer/portal/questions/17101256-site-down-for-maintenance