To encourage shoppers to view and buy your product, should you show an actual view of the product itself? Or keep shoppers engaged by showing only a color swatch of the available product colors? Take your best guess on this interesting image test to find out.

When trying to sell an expensive item, like a home, should you focus first on the price point or the product features? Take your best guess on this real-life A/B test, see if you can guess the right test, and apply the findings to optimize your own email creatives and website pages.

To get users to complete an order, is it best to keep the headline copy short and simple or clear and directive? Take your best guess on this convincing copy A/B test to find out. Then apply the insights to optimize the copy on your own pages.

When enticing callers to purchase phone credit, which email subject line works better: offering extra time or bonus credit? Take this smart subject line test to find out. Then apply the insights to optimize your own testing success.

When trying to get shoppers to place an order, is it better to put the contact information form above or below the delivery date field? The answer may not be so simple. Go ahead and take your best guess on this daring delivery A/B test. See if you can guess the right test. And apply the findings to optimize your own forms.

Does a one-step or two-step form convert best? Take your best guess on this fine form test to find out. Then, apply the findings to optimize your own form fill and lead gen success.

To get users to complete your form, should you add microcopy stating why the information is being requested? Or does doing so add visual clutter and create unnecessary hesitation? Take your best guess on this convincing copy A/B test to find out.

To get users to search, should the search box microcopy shows the available search options? Or simply state a prompt? Take this smart search A/B test to find out.

Did the hero image showcasing one model, or a photo of a "before/after" model work best to increase conversions? The answer in part depends on device type. Take your best guess on this test, see if you win, and apply the findings to optimize your own hero image conversions.