Google Analytics ヘルプ - サイトのすべてのサブドメインを 1 つのプロファイルでトラッキングするCross-domain measurement makes it possible for Analytics to see sessions on two related sites (such as an ecommerce site and a separate shopping cart site) as a single session. This is sometimes called site linking. In this article: Standard Analytics tag behavior The standard Analytics tag records traffic to a given URL as a group. For example, if you set up Analytics on your blog "myexampleblog.
