Website UX audit: how to find out why customers are leaving

A website UX audit is a systematic way to find out why visitors come to a site but don't leave it as customers. While analytics shows that people abandon a page at a certain step, a UX audit answers the question of why – and that's the difference between guessing and making informed decisions about what to change on the website.

When conversions drop, most companies jump straight into cosmetic tweaks: changing a button colour, adding a banner, rewriting a headline. Without an audit, these are just blind attempts. The real problem might lie elsewhere – in the navigation, in load speed, in the trustworthiness of the content, or in a form that feels like an unnecessary obstacle. This article describes a practical, step-by-step approach to running a website UX audit and what to focus on along the way.

A user experience audit is a structured analysis of how people actually behave on a website – where they click, where they hesitate, where they go back, and where they abandon the page entirely. It combines quantitative data (analytics, heatmaps, session recordings) with qualitative insight (heuristic evaluation, testing with real users).

Companies tend to underestimate the audit for two reasons. First, the website "looks fine" – it's visually modern and technically functional, so the assumption is that the problem must lie elsewhere (marketing, pricing, competitors). Second, there's no clear owner of the topic – marketing handles campaigns, development handles functionality, but nobody systematically tracks the actual user experience across the entire journey. The result is a website that technically runs fine but loses customers at moments nobody is measuring.

1. Analytics and data as the starting point

The first step is to look at what the website already tells you about itself. Bounce rates on individual pages, session length, the flow through the purchase or enquiry funnel, and the devices people use to arrive. It's important not to look only at averages across the whole site, but to break the data down by specific pages and steps – an overall average bounce rate says nothing about the fact that the "fill in the contact form" step is losing a significant share of visitors.

Heatmaps and session recordings are a useful addition here, showing where users click on elements that aren't actually clickable, where they backtrack, or where they scroll for a long time without finding what they're looking for.

2. Heuristic evaluation of the interface

This is an expert assessment of the website against established usability principles – for example, Jakob Nielsen's ten usability heuristics, which cover consistency, visibility of system status, error prevention, and recognition rather than recall (more at nngroup.com). The goal is to go through the key pages and user journeys and flag places where the interface breaks these principles – unclear button labels, hidden pricing or availability information, missing feedback after a form is submitted.

3. Testing with real users

Data and heuristic evaluation show where a problem is likely to exist, but real confirmation only comes from testing. Even a small number of moderated tests, where you watch a real person complete a specific task (for example, "find the contact details for the sales team" or "complete an order"), will reveal obstacles that the team has stopped noticing through everyday familiarity with the site.

4. Technical and performance aspects

The user experience doesn't end with design. Slow loading, content that shifts around while loading, or broken elements on mobile can damage conversions just as much as poor information architecture. This part of the audit is closely tied to the website's technical performance – for more on this topic, see the article on improving website speed and search rankings.

Across different types of websites, a handful of typical problems keep recurring:

• An unclear value proposition. Within a few seconds, the visitor doesn't know what the company does or why they should keep browsing.
• Too many steps to the goal. A contact form, order, or enquiry requires more fields and clicks than necessary.
• A lack of trustworthiness. The absence of testimonials, certifications, or concrete contact details increases hesitation.
• Inconsistent navigation. The same types of actions look and behave differently on different pages.
• A weak mobile version. Elements that work fine on desktop are hard to reach or overlapping on mobile.
• An unclear post-action state. After submitting a form or completing an order, the user doesn't know whether the action actually succeeded.

If any of these points sound like your website, it's also worth checking whether the issue is limited to individual pages, or whether it's a systemic shortcoming in how the website is designed as a whole – that's covered in the article on the design system and why it's worth investing in before development itself.

For an audit to be meaningful, it needs a clear "zero point" – the state before changes, against which results are later compared. Recommended approach:

1. Choose 3 to 5 key metrics directly tied to the website's goal (for example, form completion rate, landing page bounce rate, number of steps to conversion).
2. Record their current value over a long enough period to rule out seasonal fluctuations.
3. After each change, track the same metrics on the same visitor segment, not the site's overall average.
4. Roll out changes gradually, so it's clear which adjustment had which effect.

This discipline – measuring before and after, on the same metrics – is exactly what separates real improvement from the impression that "the website looks better now." If a company wants to track the development of key indicators on an ongoing basis instead of manually digging through spreadsheets, it's worth looking at how to replace manual reports with automated dashboards.

The chart below illustrates a typical pattern – how the share of visitors changes across the individual steps of a purchase or enquiry funnel. The values are indexed, not real data from a specific website.

The output of a UX audit shouldn't just be a list of problems, but a list of problems ranked by how many visitors are actually lost at that step and how difficult the fix is. Smaller adjustments (copy, element order, button visibility) can be handled on an ongoing basis, while more fundamental findings – such as poor information architecture or an outdated technical platform – often require a broader intervention.

"If we don't know why a user left, we can't claim to know what to fix."

In that case, it's worth considering whether the situation calls for gradual improvement of the existing website, or whether a more comprehensive website redesign is the better fit. If the audit also reveals problems in the technical implementation, the solution might be collaboration at the level of web application development, covering both the UX and the technical side of the website.

If part of the problem relates to communication with customers after they leave the website without completing an action – such as an unfinished enquiry or a question nobody answered – it's also worth considering how an AI agent for customer support can engage a hesitant visitor at the exact moment they're most likely to leave.

A website UX audit isn't a one-off task a company ticks off and forgets. It's a recurring process – the more regularly data and user feedback are compared against the original baseline, the faster new points of customer loss can be spotted before they show up in revenue. If you're not sure where to start in this process, or you need an outside perspective on your existing website, contact us and we'll go through together which part of the site deserves attention first.