SG Subject Genie

Abandoned cart subject lines that recover the revenue

Abandoned cart flows are some of the highest-ROI email you'll ever send. Get the subject lines right and you'll recover 8–15% of carts. Here's how.

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Why most abandoned cart subject lines underperform

The default Shopify abandoned cart subject line — 'You left something in your cart!' — converts somewhere around 3-5% of carts to purchase. That's the floor. A well-crafted flow with smart subject lines per step routinely hits 10-15%. The difference is mostly in two things: tone, and the assumption the email makes about why the cart was abandoned.

Most carts are abandoned for boring reasons: a phone rang, the shipping cost was unexpected, a payment field annoyed someone, the customer wanted to compare on another site. The recovery email's job is to make returning frictionless. The subject line is the first step.

The 3-email recovery sequence

Email 1 — 1 hour after abandonment

Don't sell. Don't discount. The cart was abandoned 60 minutes ago — the customer remembers the product. The subject line just needs to be a quiet, friendly reminder. 'your bag is still here' or 'we kept this for you' works. Add zero pressure.

Email 2 — 24 hours later

Now the customer has had time to forget. The subject line needs more pull. Curiosity ('about that thing you almost bought'), social proof ('what 3,000 other people did with this'), or a small benefit ('shipping is free on this if you grab it today') work here. Still no aggressive discount.

Email 3 — 48-72 hours later

This is where a discount can earn its keep — but only one. Lead with the product, not the percentage. 'we'll cover the shipping' or '10% off the bag you saved' is better than 'TAKE 20% OFF YOUR CART.' If you blow out a 20% discount in every cart sequence, you're training customers to abandon to get the coupon. Most brands should use the discount in 30-50% of cart flows, not all of them.

Patterns that consistently win

How to handle high-AOV vs low-AOV carts

For high-AOV carts ($200+), people abandon because they're thinking. Recovery subjects should signal trust, not urgency — 'a few notes on shipping and returns' or 'the size guide for the jacket you saved' get higher conversion than discount-led subjects. For low-AOV carts ($30 and under), urgency works better — the decision is easier and the recovery window is shorter.

30 abandoned cart subject lines

Hand-curated. Steal, adapt, test.

FAQ

What's a good cart recovery rate?+

8–15% is healthy for most e-commerce. Above 15% usually means either aggressive discounting (which costs margin) or a very high-intent product mix.

How many emails should be in a cart recovery flow?+

Three is the sweet spot for most brands. Two is leaving money on the table; four or more risks brand fatigue and unsubscribes for marginal pickup.

Should the first cart email include a discount?+

No. Discount only in email 3 if you discount at all. Discounting too early trains customers to abandon on purpose.

What time of day should cart emails send?+

Email 1: 1 hour after abandonment (any time). Email 2: 24 hours later, ideally matched to the customer's original browse time of day. Email 3: 48-72 hours, late morning local time.

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