Most carts never become orders, and each abandoned one is demand you already paid to create. Cart abandonment is partly inevitable and largely fixable. The trick is separating the two: recover what you can, and remove the causes you control. Here is how.
Understand why it happens
Abandonment has predictable causes. Top of the list is unexpected cost, shipping, tax or fees appearing late in checkout. Close behind are forced account creation, a long or confusing checkout, limited payment options, and simple comparison shopping. Some abandonment is just browsing; much of it is friction you can remove.
Remove the surprises
The single biggest lever is eliminating cost surprises. Show shipping costs and thresholds early, be upfront about taxes and fees, and make any conditions clear before checkout. A customer who sees the true total on the product or cart page does not rage-quit at the payment step.
Save the cart
Customers get interrupted. Persisting carts across sessions and devices, so a shopper returns to find their items still there, recovers sales that would otherwise vanish. It is a small technical feature with an outsized effect on multi-visit purchases.
Recover with well-timed reminders
Abandonment recovery emails (and where appropriate, other channels) genuinely work, a timely, helpful reminder brings a real share of carts back. Keep them useful rather than nagging, and consider addressing the likely objection (a shipping note, a reassurance) rather than just "you left something." This is a proven recovery channel worth setting up properly.
Fix the cause, not just the symptom
Recovery emails treat the symptom; the larger win is fixing what caused abandonment. If your funnel shows a consistent drop at shipping, the answer is clearer shipping information, not a better reminder email. Use analytics and a UX audit to find the real leak.
Test the fixes
Validate changes with A/B testing so you know a change actually reduced abandonment rather than coinciding with it. Reducing abandonment is one of the clearest ROI wins in CRO and performance, because the intent is already there, you are just removing the reasons to leave.