Websites using signalr

About signalr

SignalR is a Microsoft ASP.NET library for adding real-time web functionality to applications. It enables server-side code to push content to connected clients instantly using WebSockets, Server-Sent Events, or long polling as a fallback.

Identifying signalr in a website's stack reveals key decisions about its architecture, performance strategy, and development approach. Web Reveal automatically detects signalr and hundreds of other technologies by analyzing page source, HTTP headers, and JavaScript signatures—giving you instant insight into how any site is built.

Why do websites use signalr?

Teams choose signalr because it fits neatly into modern workflows and solves real-world problems around performance, reliability, or developer productivity. Understanding which sites rely on it—and how widely it has been adopted—helps developers, marketers, and researchers make informed decisions when evaluating their own technology choices.

How does Web Reveal detect signalr?

Web Reveal identifies signalr by inspecting a combination of signals: JavaScript global variables and library fingerprints loaded in the page, distinctive patterns in HTML markup and meta tags, HTTP response headers such as X-Powered-By and Server, asset file paths and CDN URLs, and cookie names set by the technology. This multi-signal approach minimizes false positives and ensures accurate results even when sites obscure their stack.

What can I learn from knowing a site uses signalr?

Knowing that a competitor or industry leader uses signalr can inform your own architectural or vendor decisions. It also helps security researchers understand the attack surface of a given site, lets recruiters gauge a company's technical depth, and gives product teams data-driven insight into adoption trends across the web.

Frequently asked questions about signalr

What is signalr?

SignalR is a Microsoft ASP.NET library for adding real-time web functionality to applications. It enables server-side code to push content to connected clients instantly using WebSockets, Server-Sent Events, or long polling as a fallback.

How can I check if a website uses signalr?

Enter the website's URL into the Web Reveal scanner. It will instantly analyse the page and report whether signalr is detected, along with every other technology in the site's stack.

Is signalr widely used?

Web Reveal has already detected signalr on a growing number of websites across different industries. Use the scanner to explore real examples and see how broadly it has been adopted.

What other technologies are commonly used alongside signalr?

Scanning sites that use signalr often reveals complementary technologies in the same stack—such as CDNs, analytics platforms, CMS solutions, and JavaScript frameworks. Run a scan on any of the sites listed above to see the full technology breakdown.