Abandonment causes in order of impact: unexpected shipping, forced registration, long forms. A concrete fix for each and a three-step recovery email sequence.
Average cart abandonment in e-commerce is around 70%, reported in the 70–80% band for Turkey. Not all of it is loss — but the reducible part is large. This article works through the causes in order of impact, the concrete fix for each, and how to build the abandoned cart email sequence.
Three of every four people who add to basket leave. The number sounds catastrophic at first but it is normal: some are comparing prices, some plan to buy later, some were browsing with no intent at all. What matters is what share of those who left did so for a fixable reason.
Causes and fixes
| Cause | Fix | Difficulty |
|---|---|---|
| Unexpected shipping cost | Show shipping on the product page | Easy |
| Forced registration | Enable guest checkout | Easy |
| Long or complex checkout | Remove non-mandatory fields | Medium |
| Limited payment options | Add instalments, cash on delivery, bank transfer | Medium |
| Lack of trust | Return terms, security badges, contact details | Easy |
| Unclear delivery time | Show the estimated delivery date in the basket | Medium |
| Technical errors or slowness | Test the checkout flow on mobile | Varies |
The first two rows deliver the highest return for the least effort. Moving on to the others before doing them means leaving the easy win to wrestle with the hard one.
Shipping cost: the single biggest cause
Unexpected shipping charges appearing at checkout lead the list. The reason is psychological: the customer fixes the price in their mind when adding to basket, and the increase at the last step feels like a changed agreement.
- Announce the free shipping threshold on the product page. "Free shipping over 150 TL" also raises average basket value.
- Show the remaining amount in the basket. "40 TL to free shipping" reduces abandonment and grows the basket at once.
- Set the threshold slightly above your average basket. If your average is 180 TL, a 250 TL threshold covers shipping cost and generates additional sales.
Shortening checkout
- Remove every non-mandatory field. "How did you hear about us", date of birth, a second phone number — all can be asked after the order.
- Autofill address fields. Filling city and district from a postcode saves several fields at once.
- Show error messages under the field. A summary list at the top of the form loses users on mobile.
- Add a progress indicator. Knowing how many steps remain raises completion.
- Summarise the basket at checkout. Customers do not want to enter card details without seeing what they are buying.
Payment options: the Turkey-specific difference
In Turkey the range of payment options matters more than in many markets. Instalments directly affect conversion at higher basket values; cash on delivery solves the trust problem for customers trying your brand for the first time; bank transfer is needed for corporate buyers and those who prefer not to use a card.
Each option has a cost — commission, collection risk, operational load. The right approach is not to enable everything but to measure what each adds: watch the conversion rate for four weeks after switching one on.
The abandoned cart email
| # | Timing | Content |
|---|---|---|
| 1 | 1–3 hours later | Reminder: your basket is waiting, continue in one click |
| 2 | 24 hours later | Product details plus trust elements (returns, reviews) |
| 3 | 3 days later | Final reminder; a small incentive if needed |
Three cautions. First, do not offer a discount in the first email — you train customers to wait, and abandonment becomes a way to earn a discount. Second, the link must open the basket already filled; making them rebuild it wastes the interest you just earned. Third, anyone who completes the order must stop receiving the remaining emails.
Mobile: where the loss concentrates
- Is the checkout button fixed at the bottom of the screen, visible without scrolling?
- Do form fields open the right keyboard (numeric for phone, @ for email)?
- Are tap targets large enough (at least 48×48 px)?
- Do pop-ups interrupt the checkout flow?
- Is page speed sufficient? We cover the thresholds in our page speed article.
Measurement: know what you fixed
Tracking abandonment as a single number is not enough; you need to know which step loses people. Measure the add_to_cart → begin_checkout → purchase transitions separately in GA4 and break them down by device. We cover the setup in GA4 e-commerce tracking.
Apply changes one at a time and evaluate on at least one to two weeks of data. Change three things in one week and you will not know which worked.
Common mistakes
- Showing shipping cost at the last step. The single biggest cause of abandonment.
- Requiring registration. The harshest loss among first-time buyers.
- Offering a discount in the first reminder. It trains customers to wait.
- Tracking abandonment as one number. Intervening without knowing which step loses people is guesswork.
- Not testing mobile checkout on a real device. A narrowed desktop browser does not show the mobile experience.
Conclusion
Cart abandonment cannot be eliminated, but the share caused by fixable reasons can be reduced substantially. Showing shipping early, allowing guest checkout and shortening the form are all technically easy and high impact. The rest is measuring and improving in order.
For the whole funnel, see our article on increasing conversion rate.
At Commerslab we audit checkout flows and run conversion improvement. See our e-commerce consulting service or request an audit of your basket and checkout flow.
