130. Web funnels. Part 2: Funnel based on referer URL

Let’s finish building our first web funnel. We’ve already calculated pageviews (and even unique visits) on both homepage and all book pages. We’ve caught a very important nuance about matching URLs with or without parameters (by looking for a ? symbol inside URL which comes before parameters).

Now we need to combine it all together and calculate the following: which percentage of homepage visits is followed up by a visit to a book page? We already know that we’ll rely on referer URL feature of the web.

What else do we need to consider? We shouldn...

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