Shopify Checkout Optimisation: How to Reduce Abandonment
Checkout abandonment is one of the most expensive problems in ecommerce, yet it's also one of the most fixable. The average cart abandonment rate across ecommerce sits at roughly 70%, meaning that for
Checkout abandonment is one of the most expensive problems in ecommerce, yet it's also one of the most fixable. The average cart abandonment rate across ecommerce sits at roughly 70%, meaning that for every ten customers who add something to their basket, seven leave without buying. For Shopify merchants, that figure represents a significant chunk of lost revenue sitting just one or two clicks away from conversion. The gap between a customer adding to cart and completing a purchase is where your growth lives.
The frustrating reality is that most of those customers actually wanted to buy. They'd already done the hard work — browsed your store, chosen a product, felt ready to spend. Something in the checkout experience broke the spell. That something is almost always predictable, fixable, and within your control as a merchant. Whether you're selling fashion, food, supplements, software licences, or home goods, the friction points are remarkably consistent.
This post covers the most impactful areas of Shopify checkout optimisation, with specific, practical steps you can take to reduce abandonment and recover lost revenue. From delivery transparency to payment options, trust signals to mobile experience, you'll leave with a clear picture of where your checkout may be leaking conversions — and exactly what to do about it.
Show Delivery Costs and Timelines Before Checkout
The single biggest driver of checkout abandonment is unexpected delivery costs. Baymard Institute research consistently places "extra costs too high" at the top of abandonment reasons, cited by over 47% of shoppers who leave without buying. For Shopify merchants, this means burying your delivery fees inside the checkout flow is actively costing you sales. If a customer discovers a £6.99 shipping fee only after entering their address details, the psychological impact is disproportionate — they feel misled, even if nothing technically went wrong.
The fix is to make delivery costs and estimated timelines visible before the customer clicks the checkout button. Display a delivery calculator or estimated shipping message directly on your product pages and cart page. For merchants who offer multiple delivery tiers — standard, express, next-day — showing those options early gives customers agency and reduces surprise. Customers who understand their delivery options upfront are also more likely to upgrade to faster shipping, which can actually increase your average order value rather than reduce it.
Delivery transparency goes beyond just cost. Customers want to know when their order will arrive, not just how much shipping costs. Showing a real estimated delivery date — for example, "Order before 2pm for delivery by Thursday 19 June" — creates a concrete mental picture that motivates purchase. Tools like DeliveryIQ help Shopify merchants display accurate, dynamic delivery dates based on cut-off times, carrier schedules, and fulfilment logic, removing the guesswork from both ends of the transaction.
Simplify the Checkout Form and Reduce Required Fields
Every extra field in your checkout form is a small piece of friction that compounds across thousands of sessions. A customer on their lunch break, buying a gift on their phone, will abandon if they're asked to fill in unnecessary information. Shopify's native checkout is already lean, but many merchants layer on additional custom fields through apps or theme edits — date of birth, phone number, company name — without asking whether those fields are genuinely necessary to fulfil the order. Audit your checkout fields and remove anything that isn't operationally essential.
For most merchants, the minimum viable checkout requires a name, email, delivery address, and payment details. If you collect a phone number, be explicit about why — "so the courier can contact you about your delivery" converts much better than an unexplained mandatory field. If you sell products that require a date of birth for compliance reasons, such as alcohol or age-restricted items, make the reason obvious and trust-building rather than opaque. Small copy changes around form fields can meaningfully improve completion rates.
Address autocomplete is a feature that dramatically reduces form abandonment on mobile, where typing is slower and error-prone. Shopify's checkout supports Google Address Autocomplete, and ensuring it's enabled is a quick win. For international merchants or those serving customers across multiple countries, validating address formats in real time prevents order errors downstream and stops customers from hitting confusing validation errors mid-flow. The goal is a checkout that feels effortless — one that gets out of the way and lets the customer complete their purchase without thinking.
Offer the Payment Methods Your Customers Actually Use
A customer who has decided to buy but can't find their preferred payment method is one of the easiest abandonments to prevent. In the UK, Buy Now Pay Later options like Klarna and Clearpay have become standard expectations across fashion, homewares, and electronics — particularly for average order values above £40. If your Shopify store doesn't offer BNPL and your competitors do, you're creating an unnecessary exit point. Equally, international merchants need to consider that payment preferences vary significantly by market — iDEAL in the Netherlands, Bancontact in Belgium, and so on.
Shopify Payments makes it relatively straightforward to enable a range of payment methods, but many merchants set up their payment configuration once and never revisit it. Reviewing your payment method mix annually — or when entering a new market — is good commercial hygiene. It's also worth considering express checkout options like Shop Pay, Apple Pay, and Google Pay. These remove the need to enter card details entirely and are particularly powerful on mobile, where typing a 16-digit card number is a significant barrier. Shop Pay in particular has been shown to increase conversion rates by reducing checkout to a single tap for returning customers.
For B2B merchants or those with higher-ticket products, offering invoice payment or net terms can unlock an entirely different customer segment. Shopify's B2B features support payment on terms natively for merchants on the appropriate plan, and third-party apps extend this to smaller merchants as well. The principle is the same regardless of your category: meet your customers where they are financially, and you'll convert more of the intent you've already earned.
Build Trust at the Point of Purchase
The checkout page is where purchase anxiety peaks. Customers are about to hand over their card details, their address, and their trust — and a significant proportion of them will hesitate or abandon if your store doesn't clearly signal that it's safe and legitimate. For newer or smaller Shopify stores, this trust deficit can be substantial. Customers who've never heard of your brand before need reassurance that they're not about to make a mistake.
Trust signals should be present on both the cart and checkout pages, not just on your homepage. SSL security badges, recognised payment logos (Visa, Mastercard, PayPal), and clear returns policy links all contribute to a sense of safety. A concise, human-written returns statement — "Free returns within 30 days, no questions asked" — placed near the checkout button can meaningfully lift conversion by removing a key objection at the critical moment. Don't make customers hunt for your refund policy when they're already anxious.
Social proof is another underused trust mechanism in checkout flows. If you have strong reviews — for example, a 4.8-star average across 2,000 Trustpilot reviews — display that prominently near your checkout button. For merchants supplying recognisable brands or retailers, a subtle "As supplied to" mention can also provide social proof at scale. Real merchant context, like the fact that some Shopify merchants supply major organisations like Selfridges or Accenture, carries genuine credibility weight. This kind of proof tells prospective customers that serious, discerning buyers have already vetted and trusted this brand.
Optimise for Mobile Checkout Specifically
Over 60% of ecommerce traffic now comes from mobile devices, yet conversion rates on mobile consistently lag behind desktop. The checkout experience is where this gap is most pronounced. Buttons that are too small to tap confidently, form fields that trigger the wrong keyboard type, and pages that require excessive scrolling all contribute to mobile abandonment at rates that would be considered unacceptable on desktop. Treating mobile checkout as an afterthought is a meaningful revenue leak.
Test your entire checkout flow on a real mobile device — not just a browser simulator — at least quarterly. Pay attention to tap target sizes, keyboard types triggered by each input field (numeric keyboards for phone numbers and postcodes, email keyboards for email fields), and whether your checkout pages load within two seconds on a 4G connection. Page speed matters enormously on mobile; a one-second delay in checkout load time can reduce conversions by up to 7%. Shopify's Dawn theme and other performance-optimised themes help here, but app bloat can slow things down significantly.
Consider progressive disclosure in your mobile checkout design — showing only the information and fields relevant to the current step rather than overwhelming the customer with a long-form page. Shopify's native one-page checkout, introduced in recent platform updates, is well-optimised for mobile and worth enabling if you've been running an older multi-step checkout. The smoother the mobile experience, the closer you get to matching desktop conversion rates.
Use Abandoned Cart Recovery Strategically
Even a well-optimised checkout will have some abandonment — the goal is to recover as much of it as possible through smart follow-up. Shopify's built-in abandoned checkout emails are a starting point, but the default configuration leaves significant recovery revenue on the table. The timing, copy, and sequencing of your recovery emails matter enormously. A single email sent 24 hours after abandonment is less effective than a sequence: a gentle reminder at one hour, a value reinforcement at 24 hours, and a final nudge with a time-limited incentive at 72 hours.
Personalisation in recovery emails lifts open and click rates substantially. An email that names the specific product the customer left behind — with an image, the price, and a direct link back to their populated cart — outperforms a generic "You left something behind" message by a wide margin. If your product has scarcity or social proof attached to it ("Only 3 left in stock" or "47 people bought this this week"), including that in your recovery email adds urgency without feeling manipulative. Honesty in scarcity claims is essential — customers remember when urgency was fake.
SMS recovery is increasingly effective for merchants who collect phone numbers with explicit consent. Conversion rates from SMS abandoned cart messages are typically two to three times higher than email, largely because open rates are dramatically higher. Shopify-compatible apps like Klaviyo, Postscript, and Attentive all support SMS recovery flows, and even a basic two-message SMS sequence can recover a meaningful percentage of otherwise lost revenue. The key is consent, timing, and genuine personalisation rather than blasting a generic message.
Conclusion
Checkout abandonment is never a single problem with a single fix — it's a collection of friction points that stack up across your checkout flow, each one nudging borderline buyers toward the exit. The good news is that these friction points are almost entirely within your control. By making delivery costs and timelines transparent, simplifying your form, offering the right payment methods, building trust at the point of purchase, optimising for mobile, and recovering abandonment intelligently, you can materially reduce abandonment and increase the revenue your traffic is already generating.
Start with a single change rather than overhauling everything at once. Delivery transparency and mobile checkout optimisation tend to offer the fastest returns for most Shopify merchants, regardless of category or order value. Measure your baseline checkout completion rate before making changes, then track the impact of each improvement individually.
Try DeliveryIQ free at saltai.app — no credit card required.
SaltAI Team
SaltAI builds focused Shopify apps for food merchants and general merchants. Every app is tested in production at a real food store — including Vanda's Kitchen — before it ships.