Microsoft ASP.NET 4.x icon

Websites using Microsoft ASP.NET 4.x

Visit www.asp.net

ASP.NET is an open-source, server-side web-application framework designed for web development to produce dynamic web pages.

Lead List Exporter

420.5k live Microsoft ASP.NET 4.x sites, ready to export.

That's how many Microsoft ASP.NET 4.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
Microsoft ASP.NET 4.x companies in the United States

Every Microsoft ASP.NET 4.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 Microsoft ASP.NET 4.x sites by traffic

Start with the highest-traffic end of the dataset.

Sites on a .com domain

Limit results to Microsoft ASP.NET 4.x websites on .com domains.

Companies with phone numbers

Only sites where an organisation phone number was found.

Create your own
Versions

Which Microsoft ASP.NET 4.x versions are most used?

We could read a version number on over 99% of Microsoft ASP.NET 4.x sites. Of those, the most common are Microsoft ASP.NET 4.0.30319, on 420,518 sites and Microsoft ASP.NET 4.0.30319,-unknown, on 25 sites.

100% on v4.0.30319
Versions detected
2
Sites with a version
420,543
Share of sites by version
v4.0.30319 100% v4.0.30319,-unknown <1%
Live Websites

Websites Using Microsoft ASP.NET 4.x

A sample of live Microsoft ASP.NET 4.x sites from our latest crawl, with the other technologies each one runs.

Open in the Lead List Exporter
DomainAlso runsCrawl Date
losari88mania.com
HTTP/3CloudflareAMP
September 27, 2026
loretoentally.org
jQueryHTTP/3CloudflareGoogle Hosted LibrariesFlexSlider
September 27, 2026
lojaskyglasscanela.com.br
jQueryBootstrapCloudflareGoogle AnalyticsGoogle Tag Manager
September 27, 2026
lma.co.in
jQueryBootstrapjQuery CDNWindows ServerIIS
September 27, 2026
lb365asia.com
jQueryHTTP/3CloudflareGoogle AnalyticsOWL Carousel
September 27, 2026
lawas777tuh.pro
HTTP/3CloudflareAMP
September 27, 2026
lawas777cuy.space
HTTP/3CloudflareAMP
September 27, 2026
lavoro-economia.it
HTTP/3Windows ServerIIS
September 27, 2026
lapohrms.com
Windows ServerIIS
September 27, 2026
langitqqskuy.club
jQueryGoogle AnalyticsAMPRequireJS
September 27, 2026

How many websites use Microsoft ASP.NET 4.x?

We found Microsoft ASP.NET 4.x on 420,595 websites in our September 2026 crawl, across 208 countries.

Which countries use Microsoft ASP.NET 4.x the most?

By number of websites, the top countries are United States (26%, 108,083 sites), China (8%, 34,010 sites), United Kingdom (5%, 21,785 sites), India (5%, 21,214 sites) and Turkey (5%, 20,997 sites). Together they account for 49% of the 420,595 Microsoft ASP.NET 4.x sites we track. 42% of the sites are in English, and .com is the most used domain ending, on 51% of them.

Where are Microsoft ASP.NET 4.x websites hosted?

The networks carrying the most Microsoft ASP.NET 4.x sites are Microsoft Corporation (42,710 sites), Cloudflare, Inc. (36,557 sites) and Amazon.com, Inc. (33,552 sites).

What technologies are used with Microsoft ASP.NET 4.x?

Across the 420,595 Microsoft ASP.NET 4.x sites we track, the technologies most often found alongside it are jQuery (80%, 337,462 sites), IIS (79%, 331,536 sites), Windows Server (79%, 330,855 sites), Bootstrap (45%, 190,670 sites) and Google Analytics (24%, 100,284 sites).

Deep Dive

Breakdown of Microsoft ASP.NET 4.x websites

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

FAQ

Answers drawn from our latest crawl of Microsoft ASP.NET 4.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.