Most conversion problems are not caused by weak offers or poor targeting. They are caused by friction. Small UX issues that erode trust, create confusion, or simply make it harder than it should be for a visitor to take the next step.
The frustrating part is that these problems are often invisible to the people who built the site. You have stopped seeing your website the way a first-time visitor does. What reads as intuitive to you may be baffling to someone landing on your page for the first time via a Google search.
This guide breaks down the most common UX issues affecting UK websites, what they actually look like in practice, and how to fix them systematically rather than guessing.
UX issues are any design, content, or structural problems that make it harder for users to navigate, understand, or interact with your website. In isolation, any single issue might seem minor. In practice, they compound.
A slow page load loses a percentage of visitors before the page even renders. Confusing navigation means those who do arrive cannot find what they came for. A vague call-to-action (CTA) means that even engaged visitors do not know what to do next. Stack a few of these together and your bounce rate climbs, your session duration drops, and your conversion rate suffers, even if your SEO performance is otherwise strong.
The phrase ‘UX issues’ covers a wide range of problems, but the defining characteristic is that they interrupt the user journey. Whether that is a technical barrier, a design decision, or a content gap, the result is the same: visitors leave without completing the action you want them to take.
These are the problems that appear most frequently during CRO audits. None of them are unique to UK businesses, but the local context, particularly around trust signals, regulatory expectations, and mobile behaviour, does influence how they manifest.
UK internet speeds are generally strong, but mobile connections on 4G or congested networks still expose slow-loading pages. Google’s Core Web Vitals data consistently shows that a significant proportion of UK websites fail to meet recommended thresholds for Largest Contentful Paint (LCP), which measures how quickly the main content of a page loads.
The impact on conversions is direct. Research across multiple e-commerce sectors shows that each additional second of load time correlates with meaningful drops in conversion rate. For a UK retailer or lead generation site, the cost of a poorly optimised page adds up quickly.
Common causes include:
The fix starts with a structured audit using Google PageSpeed Insights or Lighthouse. Address image formats first (WebP outperforms JPEG and PNG for most use cases), then review your JavaScript loading order and audit your tag manager for redundant or unused tags.
Navigation is the skeleton of your website. When it works, users do not notice it. When it fails, they leave. Poor navigation is one of the most cited UX issues in usability testing, and it tends to manifest in a few predictable ways:
For B2B services in particular, navigation tends to be organised around how the business thinks about itself rather than how a client approaches a problem. A prospective client searching for ‘marketing support for my manufacturing business’ is not thinking in the same categories as your internal team.
Conduct a simple test: ask someone unfamiliar with your website to find three specific pieces of information. If they struggle, your navigation is creating friction. Heatmapping tools like Microsoft Clarity or Hotjar show exactly where users click and hesitate, making it straightforward to identify which navigation elements are causing confusion.
A call-to-action that reads ‘Learn more’ or ‘Click here’ tells a visitor nothing. What are they learning more about? Where does the click take them? What happens after they click?
Vague CTAs are one of the most common and easily fixed UX issues on UK business websites. The problem is usually a combination of being too cautious and not having thought through what the next step in the user journey actually is. Desire needs to be converted into action at the decision point, and a weak CTA fails that final step regardless of how well the rest of the page performs. The AIDA model maps this directly: attention and interest mean nothing commercially if the action step is unclear.
Effective CTAs are specific to the action being taken and the value being offered. Compare:
The specificity does two things: it sets accurate expectations and it reinforces the value proposition at the decision point. Placement matters too. CTAs buried below the fold, or only appearing once at the bottom of a long page, miss the visitors who are ready to convert before they have finished reading everything.
Mobile traffic makes up the majority of web sessions for most UK businesses, yet mobile UX is still frequently treated as an afterthought. Responsive design is now standard, but being responsive is not the same as being optimised for mobile users. Mobile performance issues often go unnoticed until they are already affecting traffic and conversions, which is why mobile should be a first-class consideration in any website launch checklist, not a last-minute check.
Common mobile-specific issues include:
Google’s mobile-first indexing means your mobile experience also affects your organic search rankings, not just your conversion rate. Fixing mobile UX issues therefore has a dual benefit: it improves the experience for your largest user segment while also supporting your SEO performance.
Forms are the point of conversion for most B2B websites and many e-commerce flows. They are also where a significant proportion of users abandon the process.
The most common form-related UX issues are:
A useful benchmark: every additional field in a form reduces completion rates. This does not mean forms should always be minimal, but it does mean every field should earn its place. If you are collecting information that your sales team never uses, remove it.
UK consumers and B2B buyers are cautious. Before handing over contact details or making a purchase, they want evidence that they are dealing with a credible business. Missing trust signals are a UX issue because they create an invisible barrier that prevents otherwise interested visitors from converting, and web design decisions play a bigger role in that than most businesses realise.
Trust signals that have a measurable impact include:
The placement of trust signals is as important as their presence. A testimonial at the bottom of the page does not help a visitor who leaves after the hero section. Test placing relevant social proof near your primary CTAs and above the fold.
When every element on a page competes for attention, nothing stands out. Visual hierarchy is the design principle that guides users through a page in order of importance, from headline to supporting content to action.
Sites that lack clear hierarchy tend to show a specific pattern in heatmap data: users scan briefly, find no clear focal point, and leave without interacting meaningfully. This is a common UX issue on pages with dense copy, too many CTAs of equal visual weight, or hero sections that contain multiple competing messages.
The fix is not always a full redesign. Often, it is a matter of:
Fixing UX problems requires finding them first. Guesswork is expensive. The following combination of tools and methods gives you reliable signal without requiring a formal usability study.
Start with your GA4 data. Segment by device and look for discrepancies in conversion rate between mobile and desktop, pages with high engagement time but low conversion rate, pages with very low engagement time and high exit rate, and drop-off points in your key conversion funnels. If your marketing ROI tracking is not set up to capture those signals, that is worth addressing before going further.
Heatmapping tools like Microsoft Clarity provide session recordings and click maps that show exactly where users are actually interacting with your page versus where you designed for them to interact. The gap between the two is often revealing.
Surveys are underused. A single-question exit survey (‘What stopped you from getting in touch today?’) can surface UX issues that no tool would show you. Tools like Hotjar and Typeform make this relatively simple to implement.
User testing does not need to be expensive or formal. Asking five people who match your target audience to complete a specific task on your website, while thinking aloud, will surface more actionable insights than most automated audits.
Not all UX issues are worth fixing immediately. A structured prioritisation approach saves time and focuses effort on changes that will have the greatest commercial impact.
A simple two-by-two matrix works well here. Map each identified issue against its likely impact on conversion rate and the effort required to fix it:
For significant UX changes, particularly to high-traffic pages, A/B testing is worth the setup time. The same logic applies as with user acceptance testing: validate before you go live. Tools like VWO and Optimizely allow you to run controlled experiments rather than making assumptions about what will improve performance.
Be specific about what you are testing. Changing multiple elements simultaneously makes it impossible to attribute changes in conversion rate to any particular fix.
If you are running paid campaigns alongside your organic and CRO work, a PPC audit will often surface landing page issues that are depressing paid conversion rates, and those findings tend to overlap significantly with what UX analysis reveals.
Content quality is also part of the picture. Pages that rank well but fail to engage visitors are often suffering from a depth problem as much as a design one, which is why long-form content continues to outperform thinner pages in both search visibility and on-page engagement.
Use this as a starting point for a UX audit of your own site:
UX problems rarely announce themselves. They show up quietly in your analytics, in your bounce rate, and in the gap between the traffic your SEO drives and the conversions your business needs.
The most impactful fixes are rarely the most complex ones. Clearer CTAs, faster pages, simplified forms, and well-placed trust signals can move conversion rates meaningfully without requiring a full site rebuild.
Start with an audit. Use data to prioritise. Test your changes before rolling them out at scale. And treat UX as an ongoing discipline rather than a one-time project, because user expectations shift, and the site that converts well today may not be doing the same job in twelve months.
Need support identifying and fixing UX issues on your website? Get in touch with the Verkeer team.