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24 September 2026

The mistakes holding your online shop back (and how to fix them without going broke)

"I get visitors but I don't sell." If that sounds familiar, this is for you: twelve mistakes I see every week and how to fix them without throwing money away.

Interactive shop window with a store's KPIs projected onto the glass

The sentence I hear most in the workshop is this one: "I get visitors, but I don't sell". And it always reminds me of the same thing: a gorgeous shop window with the light bulb blown. People walk past, glance sideways and keep going. It's not that your product isn't good. It's that something, often something silly, is putting people off. I've spent 28 years watching how people move inside a shop, and online the mistakes look remarkably alike.

In short: an online shop stops selling for two reasons. Either people can't find it (an SEO problem) or they find it and it doesn't convince them (a conversion or CRO problem). It's almost always a mix of both.

SEO and CRO: bringing people in and getting them to buy

SEO is the street: getting people to walk past your door. CRO (conversion rate optimisation) is everything from the door inwards: that they come in, find what they're after, trust you and pay without a second thought. You can have the best street in the world and sell nothing if it's a mess inside. And the other way round: the most beautiful shop won't sell if it's down an alley nobody walks through.

Six SEO mistakes that leave you down an alley

Maison Barron website homepage with a fashion shop window in the background
A homepage has three seconds to say who you are and what you sell. Just like a shop window.

Six conversion mistakes that empty your till

A shop's conversion data dashboard on a tablet, with the store in the background
What you don't measure, you guess. And guessing burns a lot of money.

Where to start without losing your mind

You don't need to fix everything at once or rebuild the whole website. My order, always: first whatever blocks the sale (payments, shipping, mobile), then whatever builds trust (product pages, reviews, contact) and then whatever brings more people (SEO). And every change, measured. If you don't know what happened after touching something, you haven't improved anything: you've just changed stuff.

An online shop is like a street shop: you tidy it, light it, change the window and listen to the customer. I've been doing that all my life. The difference is that online, the numbers tell you exactly where people are slipping away. Make the most of it.

Frequently asked questions

Why do I get visitors on my website but no sales?+

Almost always because of a lack of trust or clarity: it isn't clear what you sell, product pages don't answer questions, there are surprises at checkout or the site works badly on mobile. It may also be that your visitors aren't people ready to buy.

What is CRO?+

CRO stands for Conversion Rate Optimisation. It means improving your website so that a higher percentage of the people who visit end up buying or getting in touch.

How do I know if my website is slow?+

Run it through PageSpeed Insights, Google's free tool. It gives you a score for mobile and another for desktop, and tells you what's slowing it down the most.

How often should I review my online shop?+

Glance at the data every week and do a thorough review every few months, or whenever you change something important such as the design, shipping or payment options.

Juan Carlos Barrón

Who's writing

Juan Carlos Barrón

Web designer, event organiser, visual merchandiser, window dresser and retail consultant with 28 years in stores such as Zara, Chanel, Lladró and Galeries Lafayette. Now, from the beautiful Calle Balborraz, at number 14, in Zamora, to the world: in Spanish, English and French.

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