A/B Test: One Word, Two Spellings: Which One Increased Opt-ins 25.87%?

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We’ve seen A/B tests that show what a huge difference even two words on a page can make—but what about two letters? Milan Jara of Decorative Ceiling Tiles got some surprising answers to that question in this recent A/B test.

Milan’s LeadBox™ asks visitors to opt in to receive the latest catalog. Or catalogue. Either spelling is valid, so Milan decided to let an A/B test decide which one he’d use in the call-to-action button.

Which version do you think increased this LeadBox’s opt-ins by 25.87%?

Vote below to reveal the winning A/B-tested LeadBox and our analysis.

Vote: Which Page Won This Split Test?
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2 And the Winner Is...
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"Catalogue"
"Catalog"
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2 And the Winner Is...
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YES! Nice call!
Nope! Try Again Next Time!
Winner: Version A created an overall increase of 25.87%
47% 53%

How People Voted

Click here to see our take on these results

If you chose Version A you are correct!

Version A, with a 99.04% probability of outperforming Version B, increased opt-ins by 25.87%.
Although we can’t say with 100% certainty why this change caused the increase, here are a few of my speculations:

  • Version A’s spelling of the word “catalogue” matches the headline, providing continuity between the headline and call-to-action button within the LeadBox®.
  • Catalogue is both a more old-fashioned spelling and the French spelling of the word. That might resonate better with customers interested in the old-world design of Milan’s products.

When it comes to your call-to-action copy, you should usually aim for consistency among the elements of your LeadPages® and LeadBoxes™. Using consistent spelling helps prevent confusion between your pages and your visitors. Using language that evokes the feel of your product or service can also have a big impact on your opt-in rate, as it contributes to the overall visitor experience.

Not all visitors are the same, but A/B testing your call-to-action copy may be something to consider for your own LeadBoxes™.

Click here to get the free split-test guide

If you have LeadPages™, you don’t need to download this template – it’s already available to you inside your LeadPages account. Just log in and you’ll see how super easy it is to customize this page in seconds with no technical knowledge or skills, make it mobile responsive, integrate it with your email service provider or CRM, run A/B split tests, and publish it to Facebook, WordPress, or your own server.

What Do You Think?

Did this test’s results surprise you? Why do you think Version A increased conversions so dramatically? Leave a comment below and let us know your thoughts.

If you’re new to LeadPages™, you should know that all Pro and Advanced users can run any A/B test inside LeadPages™ in just five clicks.

Do you have a LeadBox like this one that you would like to test? If so, you can set up the exact same type of test in under a minute. You can also A/B test headlines, text colors, imagery, form fields, and just about any other change you can think of.

Watch the quick video below for an introduction to enabling split testing on your LeadPages™ account.

https://youtube.com/watch?v=3h3pQKLagng?showinfo=0

  • Charles

    Anytime I see a spelling error in sales copy I think less of the offer. The mispelled word caused a drop in conversions not an increase for the correct spelling. That’s my take.

    • John Nye

      Excellent point Charles. As you can see, a potential error like this can be costly.