Heatmap is visual tool for user behaviour analysis on the web. It shows where visitors click, how they scroll or which elements they focus on most. With a colour representation - usually from blue (low activity) to red (high activity) - you can quickly see what's working and what's not on the site. Heatmaps are used to optimise the user experience (UX) and increased conversionsbecause they help to better understand the actual behaviour of visitors.
How the heatmap works
Heatmap collects data on user interactions through a special script embedded in the website. This script tracks various actions and translates them into a colorful visual. It is not a record of personal data, but anonymous aggregate data. The goal is to uncover patterns of behaviour that conventional analytics (e.g. Google Analytics) may not show as clearly.
Types of heatmap
There are several types of heatmaps that are used for different purposes:
- Click heatmap - shows where users click most often. It helps to detect both attractive and dysfunctional elements.
- Scroll heatmap - shows how far users scroll on the page. It will detect if important content is too low.
- Move heatmap - tracks the movement of the mouse. Good for understanding where attention is focused.
- Attention heatmap - measures which parts of the page visitors spend the most time on.
How heatmaps help in web optimization
Heatmaps are particularly useful for:
- Increasing the conversion rate - Detects whether users notice CTA buttons, forms or menus.
- Optimizing the placement of elements - show whether important information is in a place where users can't reach it.
- Improving web usability - identify broken links, confusing navigation or elements that look clickable but are not.
- Redesign testing - Comparing heatmaps before and after modifications will help to measure the effectiveness of the changes.
Examples from practice
| Type of heatmap | When to use | Example of result |
|---|---|---|
| Click heatmap | Analysis of the effectiveness of CTA buttons | Detecting that users are clicking on the image instead of the button |
| Scroll heatmap | Verify content visibility | 70 % users do not see the form in the footer |
| Move heatmap | Improving the layout of visual elements | Users follow the image, ignore the text |
| Attention heatmap | Optimizing text length and menu placement | Users read the first paragraph, ignore the rest |
Which heatmap tools to use
There are a number of tools on the market that allow you to quickly deploy and evaluate heatmaps. Among the best known are Hotjar, Microsoft Clarity (recommended, it is completely free), Crazy Egg or Smartlook. These tools often offer additional features such as recording user sessions or satisfaction surveys.
Conclusion
Heatmap is a practical tool for anyone who wants to improve UX and increase conversions. Unlike conventional analytics, it provides an instant visual overview of what users are actually doing on the web. A properly evaluated heatmap allows you to make data-driven changes, not just guesses, and thus delivers real results in site optimization.
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