In Google Analytics we are seeing the following message:
Keyword: The keywords that visitors searched are usually captured in the case of search engine referrals. This is true for both organic and paid search. Note, however, that when SSL search is employed, Keyword will have the value (not provided).
We will see 10 keywords and 80 "not provided". Our website has a shopping basket which uses SSL. If a user goes from the shopping basket back to the main site the SSL will carry over. Should we only use SSL on basket page in order to resolve this Analytics keyword issue? Or is "SSL search" message related to something else entirely?
It doesn't matter whether your site is on SSL or not, all that matters is if the users search via normal google, or secure google (https), which seems to be the default now.
For more info, see http://www.notprovidedcount.com/what-is-not-provided/