this is an offtopic question: does anyone know, why online magazines like nautil.us, vox.com and many others still don't use https? certificates are free and th

this is an offtopic question: does anyone know, why online magazines like nautil.us, vox.com and many others still don't use https? certificates are free and the additional server cost is minimal nowadays, so why don't they encrypt traffic? are ads and tracking the reason?