ssl - 网站能否看到用户来自 Google SSL？

Question

谷歌写道：

However, for organic search results on SSL search, a web site will only know that the user came from google.com.

http://googlewebmastercentral.blogspot.com/2011/10/accessing-search-query-data-for-your.html

当Referer == NULL时这怎么可能？

Answer 1

当您搜索时，您正在通过 HTTPS 进行查询。当您单击链接时，即为 HTTP 单击，并且引用者来自 google.com。