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Most eCommerce stores don’t need more traffic — they need to stop losing sales. Here are the 5 most common conversion killers we uncover in Shopify audits and exactly how to fix them.
You can have the best ads, the right products, and endless traffic — but if your store leaks conversions, you’ll always feel stuck.
At Sales Leak Labs, after auditing hundreds of Shopify stores, we’ve found that almost 80% of lost revenue comes from just five small mistakes that repeat over and over.
These leaks aren’t obvious until you fix them — and then your store finally starts converting like it should.
Let’s break down the top 5 conversion killers, what they look like in real life, and how to eliminate them for good.
Two extremes — and both cost you sales.
The “Specs Only” type:
“100% cotton. Set of 5. Machine washable.”
Technically correct, emotionally dead.
The “Artsy-Fartsy” type:
“Feels like sleeping on a cloud while sheep count themselves.”
Lovely imagery — but no info to confirm the purchase.
Shoppers need both emotion and logic to buy.
If you only sell the feeling, they doubt the quality.
If you only sell the facts, they feel nothing.
Lead with emotion — paint the picture, describe the transformation — then close with facts.
“Sink into ultra-soft, 100% cotton sheets that stay cool and smooth all night long. Set of 5, machine washable, and made to outlast every season.”
If possible, use separate tabs for “Description” and “Specifications.”
If not, lead with benefits, end with details.
Pro tip: Add icons or bullets for specs — visual hierarchy builds trust fast.
Sales don’t match the effort. Before you spend another pound on ads, grab the Sales Leak Checklist. Find the silent killers hiding in your store and plug them fast.
Stores that hide delivery pricing until checkout.
Worse — those that surprise customers with extra fees.
Unexpected costs are the #1 reason for cart abandonment (Shopify’s own data backs this up).
When people don’t know what they’ll pay, they bounce.
Be upfront. Always.
If your delivery prices vary, show:
“Delivery from £3.99”
or even better,
“Free delivery from £50.”
The second one doesn’t just convert better — it raises AOV because customers intentionally add more to hit that free shipping threshold.
Pro tip: If you offer free delivery — say it everywhere: header bar, product page, cart.
You paid to get the click; don’t lose it to a hidden £4.99 at checkout.
Beautiful designs that take 10 seconds to load.
Every second after 3 drops conversion by 7%.
Your visitor’s brain connects “slow site” with “unreliable store.”
Mobile shoppers (60–80% of your traffic) won’t wait.
Pro tip: A faster store not only converts better — it ranks higher in Google.
No reviews, no UGC, no credibility signals.
In eCommerce, belief converts more than design.
If a shopper has never heard of you, they buy because others already did.
Pro tip: Place reviews under the Add to Cart button — not hidden in a separate tab.
We’ll personally record a 10-minute video showing the top 3 leaks stopping your sales — and how to fix them. No pitch. No fluff. Just actionable proof.
Hero sections that say things like “Welcome to [Brand]” — zero relevance, zero clarity.
If users can’t tell what you sell or why it’s different in 3 seconds, they leave.
Above the fold, always answer:
Example:
“Luxury bed linen for people who hate overpriced hotels. 100% cotton, ethically made, shipped free from the UK.”
Most Shopify founders think they need more traffic — but in 9 out of 10 audits, we find it’s not a traffic problem at all.
It’s the leaks inside the store that silently kill sales every single day.
Slow pages, vague copy, hidden delivery costs, no proof, weak offers — these are not “minor” issues.
They’re the difference between a £10K and a £50K month.
When you fix them, everything starts compounding:
And the best part?
You already have the traffic — you just need to turn it into revenue.
That’s exactly what we do at Sales Leak Labs.
We audit your store, uncover the leaks, and rebuild your systems so every visit, ad, and checkout works harder for you.
Whether you start with our free 10-minute audit video or go all-in with the 90-Day Accelerator, this is your moment to stop guessing and start scaling.
Don’t let another week of sales slip through invisible cracks.
This is the exact process we use to grow our portfolio stores — refined across hundreds of audits and millions in tracked revenue.
Sales Leak Labs is a UK-based eCommerce growth agency. We specialise in conversion optimisation, paid ads, SEO, and email to drive profitable sales.
Sales Leak Labs is a Shopify Partner agency and SEMRush certified agency.