For most online stores, the website is the shop floor, the sales team, and the till all at once. Every product page, filter, and checkout step either helps someone buy or gives them a reason to leave, and you rarely get to ask them which.
That’s why more traffic isn’t always the answer. If 98 out of every 100 visitors leave without buying, doubling your traffic budget doubles your cost as well as your sales. Improving your ecommerce conversion rate makes every visit you already pay for work harder.
Working out where to start can feel overwhelming, especially when every tool and agency has a different list of “quick wins”. The good news is that the biggest improvements usually come from the same few places: how easily people find products, how well your pages work on mobile, how much your product pages answer, and how quickly and simply people can pay.
In this blog, we’ll explore what an ecommerce conversion rate is, why it matters, and six practical ways to increase your ecommerce conversion rate, with a simple plan for getting started.
What is an ecommerce conversion rate?
Your ecommerce conversion rate is the percentage of visits to your online store that end in a purchase. You typically work it out as:
- Number of orders ÷ number of sessions × 100
So if your store has 20,000 sessions in a month and takes 400 orders, your conversion rate is 2%. In GA4, you can see this by marking the purchase event as a key event and looking at session key event rate, or by building a funnel exploration from product view to purchase.
You’ll often see average ecommerce conversion rates quoted at around 2-3%, but you should treat these figures with care. Rates vary widely by sector, price point, device, and traffic source, so the most useful benchmark is your own store last month, last quarter, and last year.
Why does your ecommerce conversion rate matter?
It’s tempting to judge an online store by traffic, because it’s the easiest number to grow. But conversion rate is often where the real gains are, as we explore below:
It increases sales without increasing traffic
If you’re looking for how to increase sales on your ecommerce site, conversion rate is the most direct lever you have. A small change in the rate has a big effect on revenue. A higher conversion rate allows businesses to:
- Grow revenue from the visitors they already have
- Get more back from SEO, PPC, email, and social media without spending more
- Make room in the budget for new campaigns or products
Moving from 2% to 2.5% sounds modest, but in the example above, it’s 100 extra orders a month from exactly the same traffic.
It shows you where the journey is breaking
A low or falling conversion rate is a symptom, not a diagnosis. Breaking it down helps you see:
- Which devices, browsers, or channels convert poorly
- Which step in the journey people drop out at (e.g. your product pages, basket, or checkout)
- Whether a recent change, such as a new theme or plugin, has caused a problem
That turns “the site isn’t selling” into a specific problem your team can fix.
It lowers your cost per sale
When more visitors buy, every channel gets cheaper per order. That means:
- Lower cost per acquisition on paid search and paid social
- More room to bid on competitive keywords
- Better return on the time spent on SEO and content
For a Head of Marketing reporting to a board, that’s often the easiest improvement to explain.
How to increase your ecommerce conversion rate
There are lots of ways to increase ecommerce conversions, but the below six ways tend to make the biggest difference for most online stores:
1. Make your products easy to find
People can’t buy what they can’t find. If a visitor lands on your homepage or a category page and can’t quickly get to the right product, they’ll go back to Google, and possibly to a competitor. Product discovery should support:
- A visible site search that handles typos, synonyms, and product codes
- Filters that match how customers shop (such as size, colour, price, use, and compatibility)
- Clear category names in your navigation, using the words customers search for
- Helpful “no results” pages that suggest alternatives instead of a dead end
For stores with large ranges, a well-planned mega menu can help people see the breadth of your catalogue at a glance. Your site search report in GA4 is also worth checking, because the terms people search for (and don’t find) tell you exactly what’s missing from your navigation. Well-structured category and product pages help boost your SEO efforts too.
2. Design for mobile first
For many UK stores, most browsing now happens on a mobile device, even if some customers still finish the purchase on a laptop. Before making any changes, check your own GA4 device split and compare conversion rate by device. If mobile converts at half the rate of desktop, that gap is your opportunity. A mobile-friendly store should include:
- Buttons and links large enough to tap with a thumb
- Product images that can be swiped and zoomed
- Short forms with the right keyboard for each field (e.g. numbers for phone numbers, email addresses for email)
- A sticky basket or “add to basket” button that’s always within reach
Be sure to test on real devices too, not just a resized desktop browser. Increasing your mobile conversion rate is often the quickest win available.
3. Make every product page answer the buyer’s questions
Online, your product page has to do the job of a good shop assistant. If a customer can’t find the size guide, delivery cost, or returns policy, they’ll hesitate. Strong product pages should include:
- High-quality photos from several angles, with zoom, and video where it helps
- Clear, scannable descriptions that cover the details people ask about
- Delivery costs, delivery times, and returns information near the price
- Customer reviews and ratings, including the less glowing ones
- Stock levels and variant options that update instantly
Quality matters here. Professional photography and video is usually worth the investment over phone pictures taken in the warehouse, because it builds trust in the product before anyone has held it.
4. Make your checkout fast and simple
The checkout is where you lose people who’ve already decided to buy. The Baymard Institute’s research puts average cart abandonment at around 70%, and unexpected extra costs such as delivery, tax, and fees are the most common reason people give. A checkout that converts well should support:
- Guest checkout, with the option to create an account after the order
- Delivery costs shown early, ideally on the product page and in the basket
- Address lookup and browser autofill to cut down on typing
- Clear error messages that explain how to fix a problem
- Visible security reassurance and contact details
Every step and field you remove makes it easier to complete an order. Improving your checkout conversion rate and good UX design make a measurable difference in this area.
5. Offer the payment methods your customers expect
Assuming everyone wants to pay by card is a quick way to lose sales. Customers have strong preferences, and a missing option can feel like a reason to stop. Depending on your audience, consider offering:
- Debit and credit cards
- Digital wallets such as Apple Pay, Google Pay, and PayPal, which skip most of the form
- Buy now, pay later options such as Klarna or Clearpay, for higher-value products
- Account or invoice payment for trade and B2B customers
Not every store needs every option, so check what your customers use and what your payment provider supports. Digital wallets in particular can make mobile checkout much quicker, which helps reduce abandoned baskets.
6. Improve your page speed
Speed affects every page of your store, but it matters most on product pages and at checkout. Google’s research found that as page load time goes from one second to three seconds, the probability of a visitor bouncing increases by 32%. Google’s Core Web Vitals give you clear targets to aim for:
- Largest Contentful Paint (LCP) – 2.5 seconds or less
- Interaction to Next Paint (INP) – 200 milliseconds or less
- Cumulative Layout Shift (CLS) – 0.1 or less
You can check real-user data in the Core Web Vitals report in Google Search Console and test individual pages with PageSpeed Insights. Common fixes include compressing images, removing unused apps and plugins, and cutting back heavy third-party scripts. A faster store gives a better experience and makes it more likely for visitors to become paying customers.
How to get started with improving your ecommerce conversion rate
If you’re wondering how to improve your ecommerce conversion rate without trying to do everything at once, here’s a simple order to work in:
- Benchmark first – record your current conversion rate by device and channel in GA4, so you can measure any changes.
- Find the leak – use a funnel exploration to see where people drop out, from product view to basket to purchase.
- Fix the basics – things like page speed, mobile usability, and checkout friction should usually come before design changes.
- Watch real users – session recordings and heatmaps (such as Microsoft Clarity or Mouseflow) show why people get stuck, not just where.
- Test one change at a time – A/B test bigger changes, such as a new product page layout, so you can see what works well with your visitors.
- Keep going – conversion rate optimisation isn’t something that will happen quickly, so it’s key to treat it as an ongoing project, not just a one-off task.
Let us help turn more of your visitors into customers
The online stores that sell the most aren’t always the ones with the most traffic. They’re the ones that make it easy to find the right product, feel confident about it, and pay without friction. While attracting visitors is important, what happens after they arrive matters just as much.
By implementing these six strategies, not only can businesses increase their ecommerce conversion rate, but they can also reduce abandoned baskets and get more value from every channel they invest in.
At Fifteen, we can help turn more of your visitors into paying customers with specialist conversion rate optimisation strategies. From simplifying your checkout process to optimising your product pages, our expert team can help your online store sell more.
Don’t hesitate to get in touch with us today to discuss how we can help you increase your ecommerce conversion rate.