The verdict in three sentences
At payment time, the buyer wants to find their operator in a split second, without thinking. A clear selector with recognizable logos and automatic detection of the likely method reduces hesitation and gains an order of magnitude of 3 to 6% conversion (2026 estimate). Conversely, a generic dropdown or inconsistent display order sows doubt and drives people away.
The principles of a good selector
Three levers make the difference: display order (most used first), automatic detection (smart pre-selection) and legibility (logos, not text alone). The table compares the UX patterns of four common operators.
| Operator | Visual recognition | Auto-detection possible | Display best practice |
|---|---|---|---|
| Wave | highly identifiable blue logo | yes (prefix / market share) | often 1st in CI/SN |
| Orange Money | strong orange logo | yes (Orange prefix) | 2nd position, crisp logo |
| MTN MoMo | yellow logo | yes (MTN prefix) | group with other MoMo |
| Bank card | Visa/Mastercard logos | no | place after mobile money |
Visual hierarchy must mirror market reality: highlight the locally most-used methods, push card lower where mobile money dominates.
Common UX mistakes and fixes
Many checkouts lose sales on avoidable details. The table lists the costliest mistakes and their fix.
| UX mistake | Estimated impact | Fix |
|---|---|---|
| Dropdown without logos | -3-5% conversion | visual buttons with logos |
| Alphabetical instead of popularity order | -2-4% | sort by real usage |
| No pre-selection | -3-6% | detect and pre-check the likely method |
| Tap targets too small (mobile) | -4-8% | targets > 44px, spaced |
| No contrast / screen readers | excludes users | WCAG 2.1 AA, ARIA labels |
| Card shown first on a mobile money market | -3-5% | mobile money on top |
Each fix is cheap but cumulative: applying all six can add a double-digit order of magnitude to checkout conversion.
Mini case study
Moussa runs an online grocery in Dakar: 1,200 checkout sessions/month, 12,000 FCFA average basket, 30% conversion (360 sales). His selector was a logo-less dropdown with card first. After a redesign — logo buttons, Wave pre-selected by prefix, larger tap targets — conversion rises to 35%: 420 sales, i.e. +60 orders/month and about +720,000 FCFA in revenue, purely from selector UX.
Need a professional website?
Kolonell builds websites that attract clients, optimized for the Sénégalese market. Free quote in 2 minutes.
Become a Kolonell referral partner
Do you know merchants, restaurateurs or entrepreneurs who need a high-performing checkout? Refer them to Kolonell and earn a commission. The table summarizes our 2026 rates.
| Referred pillar | Sale commission | Recurring |
|---|---|---|
| Showcase website | 15% | 5% |
| E-commerce | 12% | — |
| Marketplace | 10% | — |
| Institutional | 8% | — |
A simple Growth e-commerce at 2,000,000 FCFA earns you 240,000 FCFA in commission. No commitment: you refer, we deliver, you get paid.
FAQ
Should I pre-select a default operator? Yes: detecting the likely method (number prefix, geolocation, market share) and pre-checking it gains 3-6% conversion. The user can always change it.
Are logos really essential? Yes: the brain recognizes a Wave or Orange logo far faster than a line of text. Visual buttons consistently beat the dropdown.
How do I make the selector accessible? Sufficient contrast, ARIA labels, tap targets of at least 44px and keyboard navigation. Meeting WCAG 2.1 AA widens the audience without hurting design.
What is the ideal display order? The locally most-used method first, then the other mobile money options, card lower on a mobile money market. Sort by real popularity, never alphabetically.
How many methods should I show at most? Enough to cover the market, not so many you drown the user. Four to five well-prioritized options are enough in most cases.
Let's talk about your project. We build clear, accessible payment selectors that lift your conversion — and we reward your referrals. WhatsApp +221 77 596 93 33.
Mohamed Bah
Fondateur, Kolonell
Passionate about digital and entrepreneurship in Africa, Mohamed has been helping Sénégalese businesses with their digital transformation since 2020. Founder of Kolonell, he believes every SME deserves a professional and accessible online présence.


