--- title: How to Create Effective Heatmaps in Blazor | daily.dev description: Blazor doesn't have a dedicated heatmap tag, so heatmaps are built using the TelerikChart component with a series of type Heatmap. The tutorial walks through... canonical: https://daily.dev/posts/how-to-create-effective-heatmaps-in-blazor-8aempppjm twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: How to Create Effective Heatmaps in Blazor | daily.dev og:description: Blazor doesn't have a dedicated heatmap tag, so heatmaps are built using the TelerikChart component with a series of type Heatmap. The tutorial walks through... og:url: https://daily.dev/posts/how-to-create-effective-heatmaps-in-blazor-8aempppjm og:image: https://api.daily.dev/og/posts/8AemPppjm.png og:image:alt: How to Create Effective Heatmaps in Blazor og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # How to Create Effective Heatmaps in Blazor **[Telerik](https://daily.dev/sources/telerik)** · 7 min read · 0 upvotes · 0 comments ## Summary Blazor doesn't have a dedicated heatmap tag, so heatmaps are built using the TelerikChart component with a series of type Heatmap. The tutorial walks through building a store foot-traffic analyzer: a TrafficPoint record models Day, TimeSlot and Visitors, a TrafficDataService supplies three fictitious weeks of data, and a dropdown lets users switch between them. Axes are set with XField and YField, the value with Field, and ChartSeriesMarkers, ChartSeriesLabels and ChartSeriesTooltip add rounded cells, numeric overlays and per-cell tooltips. Telerik UI for Blazor offers a free 30-day trial. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Questions this post answers ### How do I create a heatmap chart in Blazor? Blazor has no dedicated heatmap component or tag. Instead, use the TelerikChart component with a series of type Heatmap, setting XField and YField for the axis categories and Field for the quantitative value that drives color intensity. Additional tags like ChartSeriesMarkers, ChartSeriesLabels and ChartSeriesTooltip let you customize cell shape, numeric overlays and tooltips. _daily.dev surfaces more Blazor UI walkthroughs for developers adding data visualizations to their apps._ ## Similar posts on daily.dev - [Choosing the Right Telerik UI for Blazor Chart](https://daily.dev/posts/choosing-the-right-telerik-ui-for-blazor-chart-jv9ys86ae) · Telerik · 1 upvotes · 0 comments - [Build Blazing-Fast Financial Dashboards in Blazor: Unlock Insights from Raw Data \[Webinar Show Notes\]](https://daily.dev/posts/build-blazing-fast-financial-dashboards-in-blazor-unlock-insights-from-raw-data-webinar-show-notes-uxnscvo2u) · Syncfusion · 2 upvotes · 0 comments - [Visual Project Management with Blazor Gantt Charts](https://daily.dev/posts/visual-project-management-with-blazor-gantt-charts-6vprotvwy) · Telerik · 2 upvotes · 0 comments - [How to Generate Charts at Runtime in Blazor: No Custom Designer Required \[Webinar Show Notes\]](https://daily.dev/posts/how-to-generate-charts-at-runtime-in-blazor-no-custom-designer-required-webinar-show-notes--hl2xj7c82) · Syncfusion · 0 upvotes · 0 comments - [Getting Started with the Blazor Diagram Component](https://daily.dev/posts/getting-started-with-the-blazor-diagram-component-4aebmzbwr) · Telerik · 0 upvotes · 0 comments --- Tags: [#c#](https://daily.dev/tags/c#), [#data-visualization](https://daily.dev/tags/data-visualization), [#blazor](https://daily.dev/tags/blazor), [#telerik-ui](https://daily.dev/tags/telerik-ui) [View this post on daily.dev](https://daily.dev/posts/how-to-create-effective-heatmaps-in-blazor-8aempppjm) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"How to Create Effective Heatmaps in Blazor","url":"https://daily.dev/posts/how-to-create-effective-heatmaps-in-blazor-8aempppjm","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/how-to-create-effective-heatmaps-in-blazor-8aempppjm"},"datePublished":"2026-10-29T17:58:04.210Z","dateModified":"2026-10-29T18:04:43.963Z","description":"Blazor doesn't have a dedicated heatmap tag, so heatmaps are built using the TelerikChart component with a series of type Heatmap. 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