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The 3-Step Strategy for E� ective Email MarketingSplit Testing By Philip Storey

Split testing is the marketers version of going to the gym. We all know we should be doing it, and we all know it’s only going to be good for us. So, why don’t we do it as much as possible?

Well, there are lots of reasons. Perhaps your previous tests have failed to show statistically signi� cant di� erence. Or is it that you’re not sure what to test any more? I am sure though, that we all agree that the most common barrier to e� ective split testing your email marketing is time (funnily enough, the single most common reason why people stop exercising). Our daily lives as marketers are often complex, full of noise and distractions. Testing can often feel like it’s just adding to that daily, hourly noise and with little return. If this feels familiar, I hope the following

advice will help you to convert that noise into something a little more useful. Let me tell you, if you do, the results can be incredible.

Step 1 – Create a plan for split testing

As with any part of your strategy, budgets, campaigns, and so on, you have to plan ahead and schedule. Split testing is no di� erent. This is often where I � nd that most brands are set up to fail – because there is rarely a plan or strategy for any email marketing testing. Create a plan – it can be as simple as a couple of extra columns in your campaign planner. However you choose to do it, just be sure to make a plan and try to stick to it.

When you plan for testing, not only is it more likely to take place, but you start to think about the test-ability of all sorts of wonderful things: layout and images, personalization and segments, subject lines and “from” addresses, day of send and time of day, and much more.

You carry out a few tests and you can see some di� erences in opens, clicks, conversions, and so on, but how do you know if you should roll out what you have discovered through testing across all your email marketing?

One important answer to this question is to evaluate the statistical signi� cance of your tests. You have to prove that your tests results can be relied upon to when implementing what you have learned. A search online will give you a whole bunch of free online statistical signi� cance calculators to help you measure your results.

Step 2 – E� ectively evaluate your results and implement change

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Step 3 – Record your results

Forgive me if this one seems obvious, but I bet you don’t record all of your email testing results. Do you record all of the tests you did that proved to be ine� ective?

Recording and documenting failure is one of the most overlooked aspects of marketing testing. I often � nd that inconclusive test results only exist in one or two of the minds within a marketing team. Very, very rarely do the inconclusive results � nd their way to a spreadsheet, document, or presentation. However, inconclusive results hold more value to your business than you may think.

Firstly, recording results that aren’t particularly positive means that you are much less likely to repeat the same test again (unless you deliberately want to re-test it). Secondly, it feels like you are getting somewhere by having a track record of all tests. You can see what you’ve tried, and if there’s a pattern of inconclusive tests, then you can pivot your testing strategy.

One � nal thing to consider is how valuable the records of email marketing test results are for other people to see. Recording your results will show your CMO and CEO, or anyone else for that matter, that you are milking your testing strategy for every possible opportunity to improve your email marketing. They would much rather see everything you tested with a management summary of � ndings, rather than just a verbal run-through of a couple of things you found that worked. What about new hires? A comprehensive record of everything you have tested would be really useful to them. What about copywriters in other teams or departments, designers, your agencies? All of them will � nd extreme value in a properly documented plan.

So there you have it – three steps to getting the most from email marketing split testing. Want to know more? Just ask away in the Comments section and I’ll be sure to get back to you.

Once you’re satis� ed that your test results can be relied upon, go ahead and roll them out, but continue to closely monitor performance and always be looking for opportunities to re� ne and optimize.