You can still do analytics client side without the use of cookies. You just lack the view of a user and a session sice the cookie holds the primary key used to

You can still do analytics client side without the use of cookies. You just lack the view of a user and a session sice the cookie holds the primary key used to tie events into a session. You are basically just dispatching page views and events. Your reports will not look great but it's possible and probably will be a nice complement to a server side analytics solution.