Seven Steps for Proper Split Testing Kinda Technical Stuff
For testing purposes and the examples we give, were going to be using Googles Website Analyzer which is a part of Google Analytics. Why? Well, for one, because its free and so accessible to everyone ; and secondly, because its a darn good testing platform free or not.
Googles Website Optimizer is free, powerful, fast and easy. What else could you want? It permits you to perform A / B and multivariate testing.
Why is it free?
Because Google knows that if you enhance your conversion rates, youre more likely to speculate in more advertising campaigns, users are happy because theyre happier with the sites that they find thru searches. Basically, most are ecstatic and Google makes more money.
Makes sense when you put it that way, doesnt it?
There are other, paid services that you may use to further your testing, measuring, and optimizing practices. But this series is all about making the most out of what you can get for very little money spent, by focusing on the buyer and conducting your communications strategy in a very different way. Because of this, with reference to practical applications for testing that’ll be covered in this part of the series, well be focusing on how best to use the free Google tools.
The most important thing to consider about the Google website Optimizer is that it is a tool. It only provides the metrics, it cant tell you what changes to make. You’ve got to infer that for yourself. If you want the tests you run to be meaningful and give you the feedback you want to enhance your site, then you need to make sure youre going about it the correct way, and making the best of the free tools that Google gives you.
Later in the series, well be going thru exactly what you should be doing to get you started with testing. Where you take it from there’s up to you.
Before we dig into the nuts and bolts of actually running a test, there are some things you need to remember for any test you run, whether its 1 or 1001 :
- Always start the test with a goal in mind. Know what you are expecting the result to be ( although you could be wrong very wrong ; thats what youre testing. ) In scientific tests, this is called the conjecture. Your goal is the basis and the explanation for the whole test.
- Work out what you metric of success will be before you start the test. How much better is sufficiently good to be considered a success? 5%? 10% 50%? Only you can decide that.
- Remember not to muddy the waters. If youre testing the color of the checkout button, dont also change the shape or the font or where it seems on the site. You could get asuperb result, but you wont know what variable was in charge of the change. Be particularly mindful of this when testing copy ; any other changes you make, even accidentally, to the layout or the font or any other side of the display will totally cancel the validity of the test on the actual content.
- Remember that you always need a control. Even when youre dong multivariate testing, you continue to need to use the original version of the page to act as a control, something to compare the test results to.
- Use descriptive names for your tests. You could be able to keep track of the proven fact that Tests 1-10 were about buttons and Tests 11-15 were about headlines, but what about when youre at Test 345? If you give your tests clear, descriptive names, itll be less complicated for you to find the information and results when you need to refer back to them to plan more tests.
- The tests mean nothing if you donot learn anything from them. Your test isnt truly done ( or of any use to you ) unless youhave investigated the results and applied the learnings to your site. You then use that data youhave gained as the basis for the next test, because
- And ultimately, youre never done testing. There won’t ever be a time when you can say Thats it, its perfect, Im done. Even if your website is perfect and performing at its uttermost capacity at that moment, the Net is a fluid, changing thing, and you want to ensure ( through testing ) that youre keeping up with the changes and keeping you and your website applicable and maintain your presence onthe internet as a Trusted Expert.
( This post is a continuation of the series of changing into a Trusted Expert. You can read the prior posts at Become a Trusted Expert Online )
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