What is Heatmap Visualization? When & How to Use? | VWO (2024)

By definition, heatmap visualization or heatmap data visualization is a method of graphically representing numerical data where the value of each data point is indicated using colors. The most commonly used color scheme used in heatmap visualization is the warm-to-cool color scheme, with the warm colors representing high-value data points and the cool colors representing low-value data points.

What is Heatmap Visualization? When & How to Use? | VWO (1)

Download Free: Website Heatmap Guide

The reason that visualization of data through methods like heatmap has become so popular is that humans, in essence, are visual beings. Many studies on human psychology and perception suggest that we view and process visuals way more efficiently than written text or written data. In fact, according to the Social Science Research Network, 65% of human beings are visual learners; and that is why visualizing data of any form makes so much more sense.

In the world of online businesses, website heatmaps are crucial to visualize visitor behavior data so that business owners, marketers, and UX designers can identify the best-performing sections of a webpage based on visitor interaction. More importantly, heatmaps help to classify the sections that are performing sub-par and need optimization.

In this blog, we will understand heatmap data visualization by taking website heatmaps as an example.

Types of website heatmap data visualization

Due to their dynamic and robust nature, website heatmaps enable the graphical representation of data in many forms based on the nature of the data sets. Businesses use website heatmaps with an online presence to visualize the visitors’ clicks, scrolls, mouse and eye movement, and so on, on their website, in real-time. Visitor interaction on webpages is visualized in heatmaps, scrollmaps, click maps, mouse-tracking heatmaps, and eye-tracking heatmaps.

Let’s explore the kind of data each of these methods of heatmap visualization methods chart and present:

Heatmap

Heatmap is a graphical way to visualize visitor behavior data in the form of hot and cold spots employing a warm-to-cool color scheme. The warm colors indicate sections with the most visitor interaction, red being the area of highest interaction, and the cool colors point to the sections with the lowest interaction.

What is Heatmap Visualization? When & How to Use? | VWO (3)

Scroll map

Scroll maps visually present the state of your webpages in the form of a heatmap where all the scroll data (scroll depth, scrolling pattern, etc.) are plotted. A scroll map indicates the number of visitors scrolled to each section of a webpage, the section after which the percentage of people scrolling drastically falls, the maximum depth till which people scrolled, and more. This data is visualized using colors in a single scroll map, with each color signifying varying intensity of interaction.

What is Heatmap Visualization? When & How to Use? | VWO (4)

Click map

Website heatmaps also offer click maps that track and visualize click data on the webpages to help you understand visitor behavior at a granular level. Click maps visually presents clicks on each element of a page like clicks on links, missing/broken links, images, CTA, pop-ups, and so on. With each and every click registered on the webpage, click maps present multiple variables and data points in one single heatmap.

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Download Free: Website Heatmap Guide

Mouse tracking heatmap

While the first three forms of website heatmap visualization present data on explicit visitor behavior, the underlying and implicit behavioral patterns are tracked in the form of mouse movement. A color-coded heatmap is generated that visualizes mouse movement data of each visitor as well as data where the individual reports are combined to trace patterns in the mouse movement of the visitors.

At the most general level, mouse tracking heatmaps visualize where visitors’ cursor hovers the most, which section/s of a webpage the cursor keeps coming back to, and more such mouse movement data.

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Eye-tracking heatmap

Like mouse tracking heatmap, eye-tracking heatmap also visualizes viewing patterns, but instead of cursor data, data on visitors’ gaze is visualized.Eye-tracking heatmap tracks visitors’ eye movement and visualizes gaze data. These data include fixation length based on the number of times an image is looked at, which elements attract the visitor’s gaze the most, which irrelevant elements are distracting the visitors’ eye away from the main CTA, and so on.

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Now, you may wonder why such a color-coded visualization of data is important to you.

When to use heatmap visualization?

Website heatmaps help you uncover hidden behavioral insights through many visualization options discussed in the above sections. Here are some scenarios where you can leverage them:

  • Identify the best performing and most popular elements/section, the average performing and least popular elements/sections
  • Find solutions through specific data points highlighted in the generated heatmap
  • Identify the optimal page length
  • Discover segment-wise behavioral patterns, identify user experience breakages, and more

These observations then help you re-ideate, recreate and modify website elements, optimize the experience across all digital properties, and ultimately increase conversions.

VWO’s free AI-powered heatmap generator allows you to predict how visitors interact with your web page. It enables you to gauge bottlenecks based on user experience for you to take required optimization measures.

Overarching comparisons that would require days of data study and sorting can be readily made after one look at the generated heatmap. By offering a visual view of numerical data in a ready-to-consume manner, heatmaps make data analysis much faster and easier than it would be to analyze data stored in excel with endless rows and columns.

How to use heatmap visualization with VWO Insights – Web

To kick off using VWO Insights – Web, you need to install a smart code on your website’s backend. After that, head to the dashboard where you can specify the web page or type of pages (like various product pages on an e-commerce site) that share similar design and goals in the funnel stage. You can then refine the heatmap data by segmenting users according to different attributes, setting the date range, and clicking to generate the report. Check out this screenshot of the dashboard for reference.

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The heatmap reports generated include dynamic heatmap, clickmap, scrollmap, element list, and click area. These provide a comprehensive overview of user behavior, highlighting interactions with important elements like CTAs, content, media, and widgets. Here is how a heatmap report looks:

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It’s easy to operate and allows you to get a complete view of user behavior. You can explore more about this on our VWO Heatmap page or book a demo call to see how it can help you generate heatmap reports.

Conclusion

Website heatmap is only one kind of heatmap data visualization, and, as can be seen above, it can present behavioral data of as many visitors as you want in one single image or heatmap. Professionals from all industries alike can benefit from employing heatmap visualization, and with humans predominantly being visual beings, heatmap data visualization is bound to hold a prominent position in the realm of data visualization.

Watch Jon MacDonald, Founder and President, The Good, talk about using heatmap data to supercharge experiments.

FAQs on heatmap visualization

What is the benefit of heatmap visualization?

The major benefit of heatmap visualization is that it enables data to be presented visually which allows us to easily consume information and make more sense of it.

What are the different types of heatmap visualization for an online business?

The different types of heatmap visualization for an online business include scroll map, click map, eye tracking heatmap, and mouse tracking heatmap.

What is Heatmap Visualization? When & How to Use? | VWO (2024)

FAQs

What is Heatmap Visualization? When & How to Use? | VWO? ›

Heatmap is a graphical way to visualize visitor behavior data in the form of hot and cold spots employing a warm-to-cool color scheme. The warm colors indicate sections with the most visitor interaction, red being the area of highest interaction, and the cool colors point to the sections with the lowest interaction.

What is heatmap and how it works? ›

Heatmaps are used to show relationships between two variables, one plotted on each axis. By observing how cell colors change across each axis, you can observe if there are any patterns in value for one or both variables.

What is an example of a heatmap analysis? ›

For example, a heatmap of foreclosures data could show parts of the U.S. experiencing high foreclosure rates in a dark color and states with low foreclosure rates in lighter colors, which could be useful for real estate professionals looking to understand more about the market and identify market trends.

Why is heatmap used in data visualization? ›

A heat map is a two-dimensional representation of data in which various values are represented by colors. A simple heat map provides an immediate visual summary of information across two axes, allowing users to quickly grasp the most important or relevant data points.

What would a heat map be an appropriate way to visualize? ›

A heat map is most appropriate for visualizing sensitivity analysis data, which involves representing complex, multi-variable data through color gradients.

When should I use a heatmap? ›

When to use heatmap visualization?
  • Identify the best performing and most popular elements/section, the average performing and least popular elements/sections.
  • Find solutions through specific data points highlighted in the generated heatmap.
  • Identify the optimal page length.
Apr 15, 2024

What does a website heatmap tell you? ›

A website heatmap is a visual representation of how visitors interact with each element on your website. It shows which sections get more clicks and hold your visitor's attention.

What is the purpose of a heatmap? ›

Heatmaps are used in various forms of analytics but are most commonly used to show user behavior on specific web pages or webpage templates. Heatmaps can be used to show where users have clicked on a page, how far they have scrolled down a page, or used to display the results of eye-tracking tests.

What are the disadvantages of a heat map? ›

What are the Drawbacks of Using a Heatmap? The main drawback of using a heatmap is that the information provided is not in real-time, and certain types, such as tracking mouse movement, may not be appropriate or completely accurate in determining user behavior.

What type of data is best visualized with a heat map? ›

Because of their reliance on color to communicate values, Heat Maps are perhaps most commonly used to display a more generalized view of numeric values. This is especially true when dealing with large volumes of data, as colors are easier to distinguish and make sense of than raw numbers.

What do the colors mean on a heat map? ›

How to Read a Heat Map? Reading a heat map depends on which data is represented on that particular map. Bear in mind that warmer colors indicate higher values and colder colors indicate lower values. Red is the warmest color and purple is the coldest in these maps.

How do you interpret the correlation of a heatmap? ›

In a correlation heatmap, each variable is represented by a row and a column, and the cells show the correlation between them. The color of each cell represents the strength and direction of the correlation, with darker colors indicating stronger correlations.

How do you display a heatmap? ›

imshow() function can be used to display heatmaps (as well as full-color images, as its name suggests). It accepts both array-like objects like lists of lists and numpy or xarray arrays, as well as pandas. DataFrame objects.

What is the difference between a heat map and a thematic map? ›

Thematic Map. A Heat map is generally thought of as showing off hot spots or concentrations of a value or spatial object. In this case, we're showing areas where customers are located and their purchases in the same color ramp as the Thematic map, High = Light, Low = Dark.

What are the benefits of heat maps? ›

Benefits of Using Heatmaps
  • Shows popular links, buttons, and CTAs and vice versa.
  • Measures how deep into your web pages your users scroll and what percentages reach each level.
  • Highlights UI elements that often generate errors and shows which parts of your UI users focus on the most.
Nov 14, 2023

How do you explain a heatmap in Python? ›

Understanding the Basics of Python Heatmaps

The heatmap() function takes a data matrix as input and plots that matrix as a heatmap. Each cell in the heatmap corresponds to a data point in the matrix, and the color of the cell represents the value of that data point.

What is the benefit of using heatmap tools? ›

Heatmaps help companies make informed choices that improve the bottom line. By helping managers make better web design choices that boost engagement and the conversions that lead to sales, heatmaps enable decisions that drive business results. Ultimately, heatmaps are all about improving the bottom line.

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