We’ve already seen that referer URL is a key ingredient for building web funnels. We’ve used it to measure the simple funnel: visiting a book page from the homepage.
Referer URL-s work for any page of any website, it’s the integral part of the web protocol. It means that when users click on Bindle links on Facebook or on Twitter it’ll be reflected in referer URL.
Let’s build a query that lists all referer URL-s visitors come from:
SELECT referer_url, COUNT(*) FROM web_analytics.pageviews WHERE referer_url NOT LIKE 'https://www.bindle.com%' GROUP...