Netflix has published, for anyone to use free of charge, a piece of software that helps answer a hard question: when a number moves, what caused it? The tool takes data you already have plus a human's analysis plan, then works through the problem in a loop where one part proposes an answer and another part critiques it. It writes up a report and suggests what to look at next.
This is not something you will ever install. It is built for teams with large data sets and statisticians on staff. But the problem it is trying to solve is the same one you have every time you look at your website numbers.
You redo the homepage. Calls go up eleven percent the following month. Did the homepage do that, or was it the season, or the sign you put out front, or a competitor closing? Guessing wrong is expensive in both directions. You either keep paying for something that did nothing, or you tear out something that was working.
Netflix can throw an agent at this because they have enormous volumes of clean, well labelled data. Most small business websites have the opposite problem. The tracking was set up years ago, or partially, or twice by different people. Form submissions are not recorded as separate events from newsletter signups. Phone calls from the website are not distinguished from calls off a business card. No amount of clever analysis fixes data that was never captured.
So the useful takeaway is not the tool. It is the reminder that the value sits in the recording, not the analysis. If you can reliably say how many enquiries came through your contact form in June compared with July, and what changed on the site between those months, you can answer most cause and effect questions yourself with a spreadsheet.
What to do: nothing urgent. Next time you speak to whoever looks after your site, ask two things. Are enquiries, calls and form submissions each tracked as separate, countable events? And is there a written record of when changes go live on the site? Those two habits are worth more to you than any agent.
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