Regular readers will know how fond I am of the existing security headers so it's great to hear that we're getting another! Referrer Policy will allow a site to control the value of the referer header in links away from their pages.
Uptime and SSL certificate monitoring doesn't have to be boring, confusing or expensive. Together with my buddy Mattias Geniar I'm currently building Oh Dear: a webapp to keep an eye on the health of your websites. Register here to try it out. (sponsored link)