Two customers can want almost the same product and disagree firmly about one detail. A notebook must lie flat. A jacket needs an inside pocket. A coffee should taste of coffee, not an adventurous fruit salad.
Those differences can matter to an email campaign. The useful question is not which customer is right. It is whether knowing their preference would help you send a better message.
Email segmentation by customer preference means grouping subscribers around choices they have expressed, then using those choices to make the content more relevant. Start with a preference you can act on. You do not need a personality profile for someone who wants a different lid.
Separate a useful preference from an interesting detail
A preference deserves attention when it changes what you recommend, explain or show. Knowing that somebody prefers smaller packs could affect the products in their email. Knowing their favourite biscuit probably will not, unless you sell biscuits.
Before adding a field to your customer records, ask three questions:
- Would the answer change the email or the destination page?
- Can we collect the answer clearly and keep it reasonably current?
- Can we offer a worthwhile alternative for people who choose differently?
If the answer to the first question is no, you may be collecting a detail simply because you can. That creates work without making the message more useful.
Think about a stationery shop selling notebooks. ‘Interested in notebooks’ is a useful broad group. ‘Prefers plain pages’ might justify a different product image and recommendation. An elaborate category for every combination of cover colour, binding and paper weight may be more than the shop can maintain.
Start with the distinction that actually affects the purchase. You can add another later if customers give you a reason.
Ask a question the subscriber can answer easily
The clearest way to learn a preference is often to ask. A short optional question on a relevant form or a simple preference page can be enough.
Use choices that make sense without an explanation from your marketing team. A coffee seller might ask, ‘What would you most like to hear about?’ with options for familiar everyday coffees, new flavours, both or no preference.
Explain what the answer changes. ‘We’ll use this to choose the coffees we feature in your emails’ is clearer than ‘Help us personalise your experience’. The reader should not need to guess why you want to know.
Let people choose more than one option where that reflects reality. Someone can enjoy both familiar favourites and new releases. Forcing a single answer can produce tidy data that describes the customer badly.
A short question is also easier to maintain than a long survey. Ask for information you expect to use, not every detail that might conceivably come in handy.
Do not turn a click into a permanent identity
Browsing and purchase history can suggest interests, but a recorded action is not the same as an expressed preference. A customer may buy a gift, compare options for somebody else or click a product they decide against.
Keep the distinction visible in your records. ‘Selected plain pages’ and ‘Clicked a plain notebook’ are different statements. The first records what someone told you; the second records an action that needs interpretation.
If an explicitly stated preference conflicts with an old purchase, avoid silently replacing it with your assumption. Offer a way to update the preference, or use a broader recommendation until you have a better reason to change it.
Do not use a single email open as evidence of a product preference. It tells you little about which feature mattered, and privacy protections can make open tracking unreliable.
A preference is a useful instruction, not a permanent label.
A preference is a useful instruction, not a permanent label.
Build a few groups you can actually serve
Choose one preference for the first campaign and give every subscriber a sensible route through it. For the notebook shop, that could mean:
- Plain pages: show an unruled notebook and explain its relevant features.
- Ruled pages: show the lined option and its useful details.
- Both: show the choice without making a decision on the reader’s behalf.
- Unknown: offer a simple comparison and an invitation to choose a preference.
‘Unknown’ is a real group, not a mistake to hide. It prevents the team from guessing and makes it possible to send a useful general message.
WizEmail’s segmentation tools help you organise contacts into groups. The important work comes first: deciding what each group means and what you will do differently for it.
Be careful when combining preferences. Paper type, cover, price range and purchase frequency can quickly create more groups than you have useful messages. If several groups would receive essentially the same email, you may not need to separate them.
Check how overlapping groups are handled before sending. Someone who chooses both options should not receive two nearly identical campaigns simply because they appear in two selections.
Change the useful part of the email
Personalisation should go beyond putting the subscriber’s name above the same offer. Change the detail that helps them decide.
For a plain-page preference, the notebook email could lead with a photograph of the unruled spread and explain how the binding opens. For the ruled-page group, the main image should show the actual line spacing. The message should make the difference visible rather than calling both products ‘perfect for everyone’.
Keep the subject line proportionate to what you know. ‘New plain-page notebooks to explore’ describes the content. ‘We know exactly how your mind works’ is both unlikely and a little unsettling.
You may not need separate campaigns. Dynamic content can show different content to defined groups within a campaign. Whichever method you use, prepare a clear default for missing data and check each variation before sending.
The destination matters too. If the email shows a specific notebook, link to that option or make it easy to select. Sending every group to a general catalogue undoes some of the work you have just done.
Explain differences without taking sides
People can care deeply about details you consider minor. You do not need to make that attachment into a contest between sensible buyers and everyone else.
Explain the feature and its practical benefit. ‘Choose a screw-top lid for carrying in a bag’ is useful if the product is designed for that purpose. ‘For people who take drinking seriously’ tells the reader very little about the lid.
Be precise about product claims. If one option is lighter, state the verified weight where it helps. Do not inflate a small difference into an unqualified claim that the product is better in every respect.
There may be a trade-off worth explaining. A smaller pack takes less cupboard space but needs replacing more often. Giving the reader both sides can be more helpful than pretending the choice has no drawbacks.
Keep preferences voluntary and changeable
Explain how you will use the information you collect and make it easy to update. A subscriber’s needs can change. So can their taste in notebooks.
Keep marketing permission separate from product preferences. Choosing ‘plain pages’ does not by itself give you permission to start sending marketing emails. Check the rules that apply to your audience and how you obtained their details.
A preference page should not make leaving difficult. Keep a clear unsubscribe route alongside any option to change topics or frequency, and make sure a product preference never overrides an unsubscribe.
For an ordinary product campaign, stick to relevant product choices. Avoid building sensitive assumptions about someone’s health, beliefs or personal circumstances from casual browsing. That is not a shortcut to better customer understanding.
Test whether the extra work is worthwhile
Decide what success looks like before building several versions. If the aim is to help people find the right notebook, useful measures include visits to the relevant product, completed orders and questions about suitability.
If your list is large enough for a meaningful comparison, test the preference-based message against a general version within comparable audiences. Keep the offer and other major elements consistent so you have a clearer idea of what changed.
Different preference groups may buy at different rates anyway. Comparing the plain-page group’s sales with the ruled-page group’s sales does not, on its own, show that one email was better.
On a small list, avoid declaring a winner from a few clicks. Look for a repeated pattern, read the replies and consider the time spent maintaining the variations. Simplify any distinction that produces little practical benefit.
Put one preference to work
For the next campaign, choose a product difference customers already ask about. Decide how the answer would change the message, ask a clear question and prepare an appropriate version for people who have not answered.
That is enough to begin. Email segmentation by customer preference should make choosing easier for the reader, not turn your mailing list into a filing system nobody understands.
The WizEmail Team
