Bad UX Is a Marketing Problem, Not Just a Design One

Bad UX costs more than most marketing teams realise, and most of the cost never shows up in a UX report. It shows up as paid traffic that bounces, conversion rates that plateau, and customers who try you once and never come back. Poor user experience is not a design department problem sitting downstream of marketing. It sits right in the middle of your go-to-market strategy, and ignoring it is one of the most expensive habits in the industry.

If your acquisition is working but your retention is not, the product experience is almost certainly doing damage that no amount of media spend will fix. The funnel does not end at the click.

Why Marketing Owns the UX Problem More Than It Thinks

There is a structural habit in most organisations where UX sits with product or design, and marketing sits with acquisition. The two teams have different briefs, different KPIs, and often different reporting lines. The result is a gap that customers fall into constantly, and nobody is formally accountable for it.

I have watched this play out in agency life more times than I can count. A client would come to us with a conversion problem, convinced they needed better ad creative or smarter audience targeting. We would audit the funnel, and the issue was almost never the top of the funnel. It was the landing page that loaded in four seconds on mobile. Or the checkout that asked for an account before it showed the price. Or the form with eleven fields when three would do. The creative was fine. The experience was not.

Marketing teams that focus purely on acquisition are optimising one end of a leaky pipe. You can pour more water in at the top, but if the pipe has holes, you are not solving anything. You are just spending more to compensate for a problem you have not addressed.

This is directly relevant to go-to-market strategy. If the experience your product delivers does not match the promise your marketing makes, you have a positioning gap that no amount of media budget will close. Understanding how UX connects to broader commercial outcomes is part of what good go-to-market and growth strategy looks like in practice.

What Bad UX Actually Looks Like in a Marketing Context

Bad UX is not always dramatic. It is rarely a site that is completely broken. More often it is a collection of small frictions that individually feel minor but collectively destroy the experience. A button that is hard to find. A mobile layout that does not quite work. A confirmation email that arrives with no clear next step. A product page that answers the wrong questions.

From a marketing perspective, the most damaging forms of bad UX tend to cluster around three moments: the first impression, the decision point, and the post-conversion experience.

The first impression is where paid media meets reality. You have spent money to get someone to click. They arrive at a page that is slow, cluttered, or misaligned with the ad they just saw. That disconnect costs you the click. Not because your targeting was wrong, but because the experience failed to follow through on the promise that got them there.

The decision point is where most conversion rate optimisation work focuses, and rightly so. But the fixes are often cosmetic when the real issue is structural. A/B testing button colours is not going to save a checkout flow that has six unnecessary steps. Tools like Hotjar give you heatmaps and session recordings that show you exactly where people are dropping off and why. That behavioural data is worth more than most paid media reports, because it tells you what is actually happening, not just what the numbers suggest.

The post-conversion experience is where retention starts and where most marketing teams stop paying attention. Onboarding flows, confirmation emails, first-use experiences: these shape whether a new customer becomes a repeat customer or a one-time transaction. Bad UX at this stage is particularly expensive because you have already paid to acquire that customer. Losing them to a poor experience is a double loss.

The Hidden Cost That Does Not Show Up in Your Dashboard

One of the reasons bad UX persists is that its cost is largely invisible in standard marketing reporting. You can see bounce rate. You can see conversion rate. But you cannot easily see the customer who tried to complete a purchase on mobile, gave up after two attempts, and went to a competitor. You cannot see the person who found your site through organic search, could not find what they needed, and never came back. These are real losses that do not produce a data point you can point to in a weekly report.

When I was running performance at scale, managing hundreds of millions in ad spend across multiple sectors, one of the things that became clear over time was how much credit performance channels were taking for outcomes that were going to happen anyway. Someone who is already in market, already searching for your product, already close to a decision: they are going to convert if you do not get in their way. The risk is not that they will not find you. The risk is that when they do, the experience is bad enough to push them somewhere else.

That is the hidden cost of bad UX. It does not always show up as a failed conversion. Sometimes it shows up as a conversion that required more spend to achieve than it should have. Sometimes it shows up in customer lifetime value data, months later, when you notice that a cohort of customers acquired through a particular channel has a lower retention rate than expected. By that point, the connection between UX and the outcome is hard to make, and the problem has been compounding for months.

BCG’s work on commercial transformation consistently points to customer experience as a growth lever that most organisations underinvest in relative to its impact. The tendency is to spend on acquisition and treat experience as a cost centre. That framing has it backwards.

UX as a Go-To-Market Variable, Not an Afterthought

The organisations that get this right treat UX as a go-to-market input, not a post-launch fix. They think about the experience before they think about the channel. They ask: what does someone need to feel and understand at each stage of their interaction with us, and are we delivering that? Then they build the marketing strategy around the answer.

This sounds obvious. In practice, it is rare. Most go-to-market planning focuses on audience targeting, channel mix, messaging, and budget allocation. The experience layer gets treated as something the product team will handle. But if the product team and the marketing team are not aligned on what the experience needs to do at each stage of the customer experience, you end up with a gap between the promise and the delivery.

I remember a pitch meeting early in my agency career where we were presenting a growth strategy for a client in financial services. The strategy was solid: clear audience segmentation, a channel plan that made sense, a content approach that would build trust over time. The client’s head of digital asked a simple question: “What happens when someone clicks through and the product page takes eight seconds to load on mobile?” We did not have a good answer, because we had not addressed it. The UX was out of scope. That conversation stuck with me. The best acquisition strategy in the world cannot compensate for an experience that fails at the moment of truth.

Forrester’s research on go-to-market struggles in complex sectors highlights how often experience gaps are the root cause of commercial underperformance, even when the product itself is strong. The issue is not always the product. It is the gap between what the product can do and what the customer is able to understand and access.

Where Growth Teams Get This Wrong

Growth teams, particularly those operating in a growth hacking mode, tend to optimise for speed. Test fast, iterate fast, scale what works. That approach has genuine merit, but it creates a specific failure mode around UX: the temptation to ship something that is good enough to test and then never go back to fix it properly once the test shows positive results.

A landing page that converts at 4% in a test environment gets scaled. The UX issues that would have been obvious to a fresh set of eyes get baked in because nobody wants to touch something that is “working.” What actually happened is that the test measured conversion in a controlled window, with a specific audience, under specific conditions. At scale, with a broader audience and more varied intent, those UX issues start to matter more. The conversion rate drifts down. The team runs more tests. Nobody looks at the underlying experience.

This is compounded by the way most growth teams measure success. Conversion rate, cost per acquisition, return on ad spend: these are outcome metrics. They tell you what happened. They do not tell you why, and they do not tell you what experience the customer had along the way. Adding behavioural data to the measurement stack, session recordings, scroll depth, rage clicks, exit intent, changes the picture significantly. You start to see the experience as the customer sees it, not just as a set of numbers.

Agile teams scaling fast face a particular version of this challenge. BCG’s analysis of scaling agile operations notes that the discipline required to maintain quality while moving fast is often the first thing to slip. UX quality is usually what pays the price.

The Connection to Audience and Messaging

There is a version of bad UX that is not about technical performance or design quality. It is about misalignment between the audience you are targeting and the experience you have built for them.

If you are targeting a new audience, people who are not already familiar with your product or category, the experience needs to work harder to orient them. The navigation that makes sense to a power user is confusing to someone who has never heard of you. The jargon that your existing customers understand is a barrier to someone new. The feature-led product page that converts your current base is the wrong entry point for someone who does not yet understand why they need what you are selling.

This matters particularly for growth strategies that depend on reaching new audiences rather than just capturing existing demand. When I think about the difference between performance marketing that captures intent and brand-led marketing that creates it, the experience layer is where that distinction becomes most concrete. Someone who already knows they want your product will push through a mediocre experience to get it. Someone who is encountering you for the first time will not. They will leave, and they will not think twice about it.

Creator-led marketing, for example, brings audiences who are warm to the creator but potentially cold to the brand. The experience they arrive at needs to account for that. A generic product page is not the right landing point for someone who just watched a creator they trust talk about why your product matters to them. The go-to-market approach with creators needs to think about the full experience, including what happens after the click.

How to Diagnose UX Problems Without a Full Audit

A full UX audit is valuable, but it is also time-consuming and often gets deprioritised. There are faster ways to identify whether bad UX is costing you commercially, without waiting for a formal review.

Start with the data you already have. Look at your mobile conversion rate versus desktop. A significant gap, more than 30 to 40 percentage points, usually signals a mobile experience problem, not a mobile audience problem. Look at your page speed scores. Look at where people are dropping off in your checkout or sign-up flow. These are not new metrics. They are metrics that most teams have access to and do not act on because the problem feels like someone else’s responsibility.

Then do something simple: watch five session recordings of people who did not convert. Not aggregate data. Actual recordings of actual people trying to use your product and failing. This is uncomfortable. It is also one of the most commercially useful things a marketing team can do, because it makes the cost of bad UX visible in a way that no dashboard can.

Talk to your customer service team. They know exactly where the experience is failing because they hear about it every day. The friction points that generate the most support tickets are almost always the same friction points that are costing you conversions. The information is there. It is just not being connected to the marketing conversation.

Video-led content is increasingly being used to bridge the gap between product complexity and user understanding. Vidyard’s research on GTM teams points to video as a way to reduce friction in complex sales and onboarding journeys, which is essentially a UX intervention delivered through content.

Making the Business Case for Fixing It

The reason bad UX persists in organisations that know about it is usually not ignorance. It is prioritisation. There are always more things to do than there is capacity to do them, and UX improvements compete with new features, new campaigns, and new channel tests for time and resource.

The way to win that prioritisation argument is to make the cost of bad UX concrete. Not in abstract user experience terms, but in commercial terms. If your mobile conversion rate is half your desktop rate, and 60% of your traffic is mobile, what is the revenue impact of closing that gap by 20%? If your checkout abandonment rate drops by 10 percentage points, what does that mean for monthly revenue? These are calculations that marketing teams can do, and they tend to change the conversation.

I have found that framing UX improvements as a media efficiency play lands well with commercial stakeholders. You are not asking for budget to make the experience nicer. You are asking for resource to make your existing media spend work harder. Every pound you spend on acquisition that lands on a broken experience is a pound wasted. Fixing the experience is the highest-leverage thing you can do with a fixed acquisition budget.

That framing also tends to create better alignment between marketing and product teams. When marketing owns the commercial cost of bad UX and can articulate it clearly, the conversation shifts from “design wants to rebuild the checkout” to “we are losing X amount of revenue every month to a fixable problem.” That is a different conversation, and it gets a different response.

If you are thinking about how UX fits into a broader growth framework, it connects directly to the questions around audience, positioning, and commercial strategy that sit at the heart of effective go-to-market thinking. There is more on that across the go-to-market and growth strategy section of The Marketing Juice, covering the decisions that shape whether a strategy actually delivers.

About the Author

Keith Lacy is a marketing strategist and former agency CEO with 20+ years of experience across agency leadership, performance marketing, and commercial strategy. He writes The Marketing Juice to cut through the noise and share what works.

Frequently Asked Questions