Analytics tell you what users are doing, where they click, scroll, and drop of. User testing tells you why. Bringing the two together replaces guesswork with clear evidence, so you stop wasting budget on the wrong fixes and start making updates that actually drive revenue
We have more data about our customers than ever before.
Analytics can tell us which pages people visit, where they leave and which journeys lead to a conversion. Heatmaps and session recordings can show us where people click, scroll, hesitate or go backwards.
All of that information is incredibly valuable.
But there's one question that can still be surprisingly difficult to answer:
Why?
Why did someone leave that page? Why didn't they click the CTA? Why couldn't they find something that, from our perspective, was right in front of them?
This is where user testing can add another layer to the picture.
Data can show you the problem. It can't always explain it.
Imagine your analytics show a significant drop-off at an important point in a customer journey.
You know something isn't working.
A session recording might give you another clue. Perhaps people are scrolling repeatedly, going backwards or spending longer than expected on a particular page.
But we're still interpreting behaviour.
Maybe the content isn't clear. Maybe people can't find the information they need. Maybe the CTA doesn't mean what we think it means. Or perhaps the journey simply doesn't match what the customer expected to happen next.
Without speaking to users, we're often still making assumptions.
One thing we've learned through user testing is that something that seems obvious when you're close to a website isn't necessarily obvious to the person using it.
Your customers don't know your website as you do
When you've spent months or years working with a website, it's almost impossible to experience it like a new customer.
You know the navigation. You know the terminology. You know where the important information lives.
Your customers don't.
Through user testing, we've watched people look in unexpected places for information, interpret labels differently from how they were intended, and struggle with journeys that seemed straightforward on paper.
Rather than simply asking people whether they like a website, we give them realistic tasks and watch what happens.
Can they find what they're looking for? Where do they hesitate? What do they expect to happen next?
Sometimes the most valuable insight isn't what someone says. It's what they actually do.
The real value comes from combining the signals
User testing isn't a replacement for analytics, heatmaps or session recordings. They answer different questions and become more useful when they're brought together.
Analytics → What is happening?
Heatmaps & session recordings → Where is it happening?
User testing → Why might it be happening?
UX & CRO → What should we do about it?
Analytics might highlight a drop-off. Session recordings might reveal a behavioural pattern. User testing can help us understand what's behind that behaviour. UX and CRO can then turn those insights into something we can improve and test.
It's not about choosing between quantitative and qualitative research. It's about using them together to make better decisions.
Watch. Listen. Then optimise.
Digital optimisation is often framed as a numbers problem: increase conversion, reduce drop-off, improve engagement.
But behind every one of those numbers is a person trying to accomplish something.
Analytics helps us see the patterns in their behaviour. User testing helps us better understand the experience behind those patterns.
And when we bring the two together, we can move away from assumptions and make more informed decisions about what actually needs to change.
Because sometimes the best way to understand your website isn't to look at another dashboard. It's to watch someone use it.
Get in touch with the Sonar team to chat about how user testing could help uncover what's happening behind the data.
