What is Blazor?

Framework

Blazor is a web framework: .NET web UI framework using WebAssembly or SignalR. Tech Stack Detector identifies Blazor on any website by analysing the HTML source.

Blazor is a web framework (Framework). See websites using Blazor ↓

CategoryFramework

Official sitedotnet.microsoft.com

Detection signals1 signal

In our indexNot yet detected

How Tech Stack Detector detects Blazor

Blazor is matched from these signals during a single, ordinary page request. Each one contributes to the confidence score shown on a scan.

Html PatternBlazor framework script

Detecting Blazor also implies ASP.NET.

Websites using Blazor

No websites in our public index are known to use Blazor yet. Scan a site above that uses it to be the first. Your result becomes a shareable /site/… page.

Alternatives to Blazor

Other Framework technologies Tech Stack Detector detects: popular alternatives and related tools, most-detected first.

ReactFramework165 sites Next.jsFramework124 sites LaravelFramework27 sites AstroFramework19 sites Vue.jsFramework14 sites NuxtFramework8 sites ASP.NETFramework7 sites Ruby on RailsFramework6 sites DjangoFramework4 sites Express.jsFramework4 sites SvelteFramework4 sites FastAPIFramework3 sites

Compare Blazor

Side-by-side comparisons of Blazor with other Framework technologies.

Blazor vs React Blazor vs Next.js Blazor vs Laravel Blazor vs Astro Blazor vs Vue.js

Popular technologies

The technologies most often detected across all websites scanned on Tech Stack Detector.

CloudflareCDN247 sites Google FontsFont215 sites Tailwind CSSUI Library170 sites ReactFramework165 sites Progressive Web AppOther147 sites PHPLanguage139 sites Node.jsLanguage136 sites Next.jsFramework124 sites BootstrapUI Library119 sites Google WorkspaceOther110 sites

Frequently asked questions

What is Blazor?

Blazor is a web framework: .NET web UI framework using WebAssembly or SignalR. Tech Stack Detector identifies Blazor on any website by analysing the HTML source. Its official website is https://dotnet.microsoft.com/apps/aspnet/web-apps/blazor.

How can I tell if a website uses Blazor?

Enter any URL into Tech Stack Detector and it reports whether Blazor is present, with a confidence score and the exact evidence it matched. Detection is based on the HTML source. No login or crawling of the site is required.

What does detecting Blazor imply?

When Blazor is detected, Tech Stack Detector also infers ASP.NET, because Blazor is built on top of it.

What are some alternatives to Blazor?

Other Framework technologies Tech Stack Detector detects include React, Next.js, Laravel, Astro, Vue.js and Nuxt. You can compare any of them side by side with Blazor.

Data last updated October 20, 2026 · based on 618 recently scanned websites.