The final experience design must be a reflection of the actions intended for the user to execute.
Repetition is a powerful tool for aiding users in memorizing patterns we'd like them to embrace, but the door swings both ways. Is the repeated information vital?
People are already used to doing things one way. How people are used to doing things on desktop influences mobile platforms a lot, but all the same plenty of new behavior is being commonly used by a growing section of the market.
Mobile devices are more frequently used than desktop computers . Your product should be just as easily accessible from mobile as it is from desktop. This isn't just a healthy boost toward usage, but a crucial portion of your market.
Remember the cost of user actions. If you want to encourage a behavior, make it as natural and as easy as possible. Even e-commerce is a form of entertainment for many people.
If available, use back-end to gather information about the user to reinterpret into what the user will want to see.
Provide contextually applicable content to maintain the user's interest. This will make users feel the system works and their actions are interpreted into what they see.
Follow a general path of though to appear just when user comes off the last engaging content. Experience must be continuous.
Narrow down the use-model so that what you want out of users is as straightforward as possible. If you know what you want
Hammers don't have manuals because their purpose is so simple that anyone can understand it. .
Every tangible second of user's time is valuable and needs to be accounted for against projected intentions. Don't waste your users' time, don't stagger their experience with interstitials. They will skip them and won't thank you for it.
Small animations and polished graphics will live up the entire experience and will convince your audience the product was put together with care.
Using your product should never be cumbersome. Visual rewards for the user on the right path will have your users satisfied and returning.
Whether you want your users to save items for later reference or display support through clicking a button, refer to similar paradigms users have made a habit of.