The go-to resource for digital marketers who want objective A/B test case studies and helpful information to get split-testing ideas and insights.

Joined May 2018
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Guess The Test retweeted
29 Apr 2024
Deborah O'Malley, a #CRO pro and founder of @GuessTheTest, shares her story of an #experiment that reshaped her understanding of the effectiveness of #socialproof. Learn how you can use it to influence buyer behavior and boost your #conversions. mouseflow.com/blog/social-pr…
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Guess The Test retweeted
"Microsoft Clarity’s Copilot isn’t just a tool; it’s a game-changing addition to heatmapping optimization." - @DeborahOMalley Founder of @GuessTheTest shares her thoughts on AI driven session replays in our latest blog ✍️ Read here: bit.ly/3Wv6o6c
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Guess The Test retweeted
3 Apr 2023
Avoid bad A/B testing data during and after the migration from #GoogleOptimize. Join our live panel with @DeborahOMalley @wiersma_jeroen @heyglenns to discover how to make the most of #GA4, #bigquery, and #AI for clean and reliable data. Save your seat us06web.zoom.us/webinar/regi…
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Guess The Test retweeted
Calling all Black Friday marketers: This A/B test provides you with one simple, surefire way to get your promo blast noticed, opened, and converting. What is it? Take a look at the screenshots below and make your best guess: guessthetest.com/.../email-s…
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Guess The Test retweeted
[E-COM STORE OWNERS] There's an exact framework we follow to create high-converting product pages All elements, specific apps, sections and more RT and reply “send” and I will DM our 50 conversions checklist to you (must follow so I can DM you)
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The other day, I shared tip #1 for nav bar optimization (see this thread: x.com/GuessTheTest/status/15…). Some of you expressed interest in finding out all 10 tips. @disktop - this one's for you:

The top-10 nav bar A/B test ideas you absolutely must try A Navigational Menu, also known as a navigational bar, or nav bar, is a menu system, usually located at the top of a website. Its purpose is to help users find categories of interest and access key pages on a website.
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Ideally do an XML map before making any changes involving internal links. As XML sitemap will look something like this:
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Find this tip useful? There's plenty more to help you. Like, comment, reply, or retweet if you want more helpful nav optimization tips.
The top-10 nav bar A/B test ideas you absolutely must try A Navigational Menu, also known as a navigational bar, or nav bar, is a menu system, usually located at the top of a website. Its purpose is to help users find categories of interest and access key pages on a website.
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You want to be using and showcasing the keywords you're paying for or that are bringing visitors to your site. Once on your site, users will expect to see these keywords and will look for them to orient themselves. So cater to visitors by using these keywords in your nav menu.
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Thought this tip was useful? There's plenty more where that came from. Like, comment, follow, share, or subscribe to GuessTheTest.com for a whole more. 🍰

The nav menu is, usually, present across all pages of your site. That means optimizing it can pay big returns, impacting every stage of your conversion funnel. Testing the organization, presentation, and wording in the nav menu presents a great optimization opportunity.