Websites using SignalR 2.x

Visit dotnet.microsoft.com

Realtime web communication framework from Microsoft for ASP.NET.

Lead List Exporter

3.1k live SignalR 2.x sites, ready to export.

That's how many SignalR 2.x websites are in VersionDB right now, each with its full tech stack, contact details, and social profiles.

Pick a ready-made template, or build your own filters in the Lead List Exporter and pay only for the rows you export.

Open the Lead List Exporter

Just need a few domains? Export up to 10 free from a subset of our crawl.

Start with a list template
SignalR 2.x companies in the United States

Every SignalR 2.x website we detected in the United States.

Companies with personnel emails

Only sites where a personal, company-hosted email was found.

Decision makers on LinkedIn

Sites with at least one personnel LinkedIn profile.

Top 100,000 SignalR 2.x sites by traffic

Start with the highest-traffic end of the dataset.

Sites on a .com domain

Limit results to SignalR 2.x websites on .com domains.

Companies with phone numbers

Only sites where an organisation phone number was found.

Create your own
Versions

Which SignalR 2.x versions are most used?

We could read a version number on 16% of SignalR 2.x sites. Of those, the most common are SignalR 2.2.2, on 286 sites, SignalR 2.2.1, on 184 sites and SignalR 2.2.3, on 44 sites.

56% on v2.2.2
Versions detected
3
Sites with a version
514
Share of sites by version
v2.2.2 56% v2.2.1 36% v2.2.3 9%
Live Websites

Websites Using SignalR 2.x

A sample of live SignalR 2.x sites from our latest crawl, with the other technologies each one runs.

Open in the Lead List Exporter
DomainAlso runsCrawl Date
brp.ac.th
jQueryBootstrapOWL CarouselMicrosoft ASP.NETspin.js
September 27, 2026
22club.asia
jQueryHTTP/3HSTSBootstrapCloudflare
September 27, 2026
pflanzenrichter.de
jQueryHSTS
September 27, 2026
kingssportsbet.com
jQueryGoogle Tag ManagerjsDelivrMicrosoft ASP.NETWindows Server
September 27, 2026
data.page
jQueryHTTP/3HSTSCloudflarecdnjs
September 27, 2026
yourcardlegend.com
jQueryBootstrapjQuery UIMicrosoft ASP.NETWindows Server
September 27, 2026
classiccar-auctions.com
jQueryHSTSBootstrapCloudflareGoogle Tag Manager
September 26, 2026
slots33myr.com
jQueryHTTP/3HSTSBootstrapCloudflare
September 26, 2026
pctlab.com
jQueryHSTSjQuery MigrateBootstrapjQuery UI
September 26, 2026
vinme.ge
jQueryHTTP/3BootstrapCloudflareMicrosoft ASP.NET
September 25, 2026

How many websites use SignalR 2.x?

We found SignalR 2.x on 3,136 websites in our September 2026 crawl, across 97 countries.

Which countries use SignalR 2.x the most?

By number of websites, the top countries are United States (17%, 546 sites), Denmark (14%, 438 sites), Vietnam (4%, 120 sites), United Kingdom (4%, 118 sites) and Netherlands (4%, 116 sites). Together they account for 43% of the 3,136 SignalR 2.x sites we track. 34% of the sites are in English, and .com is the most used domain ending, on 40% of them.

Where are SignalR 2.x websites hosted?

The networks carrying the most SignalR 2.x sites are Cloudflare, Inc. (923 sites), Microsoft Corporation (422 sites) and Amazon.com, Inc. (252 sites).

What technologies are used with SignalR 2.x?

Across the 3,136 SignalR 2.x sites we track, the technologies most often found alongside it are jQuery (100%, 3,136 sites), Microsoft ASP.NET (76%, 2,373 sites), Bootstrap (59%, 1,839 sites), Cloudflare (46%, 1,437 sites) and IIS (44%, 1,380 sites).

Deep Dive

Breakdown of SignalR 2.x websites

What else they run, plus their language, hosting network, domain extension and country.

FAQ

Answers drawn from our latest crawl of SignalR 2.x websites. Anything else, email us and we will look it up.

Through our own crawl, which checks each site's HTML, scripts and headers rather than relying on self-reported data.