Search query referers were dropped due to adoption of HTTPS/TLS. When a url is visited from an HTTPS site the browser does not sends reffer url only the host.
Its still possible to get "aggregate" information about keywords via Google Webmaster tools.
Yeah default-for-logged-in-users-https-with-stripping-part-of-the-referrer started in 2011, besides being a good idea -after the launch of G+ profiles as there was now a public "real name" piece of information that connected search queries to G+ users.
Google Search Console data doesnt let you connect google search queries to sessions.
Its still possible to get "aggregate" information about keywords via Google Webmaster tools.
https://webmasters.googleblog.com/2012/03/upcoming-changes-i...