Umbraco 4.x
Umbraco is an open-source Microsoft ASP.NET based content management system.
Lead List Exporter
700 live Umbraco 4.x sites, ready to export.
That's how many Umbraco 4.x websites are in VersionDB right now, each with its full tech stack, contact details, and social profiles.
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Umbraco 4.x companies in the United States
Every Umbraco 4.x website we detected in the US.
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 Umbraco 4.x sites by traffic
Start with the highest-traffic end of the dataset.
Sites on a .com domain
Limit results to Umbraco 4.x websites on .com domains.
Companies with phone numbers
Only sites where an organisation phone number was found.
Complementary Technologies
Umbraco 4.x Complementary Technologies
Technologies frequently found with Umbraco 4.x.
Most Frequent Complementary Tech
Microsoft ASP.NET
700
jQuery
606
IIS
449
Windows Server
449
Google Hosted Libraries
230
Bootstrap
206
Cloudflare
196
HSTS
196
HTTP/3
171
Google Tag Manager
151
Live Websites
Websites Using Umbraco 4.x
Live sites we caught running Umbraco 4.x in the wild, straight from the latest crawl.
| Domain | Server Location | ASN | Crawl Date |
|---|---|---|---|
| oceano.mx | 🇲🇽 Mexico | GoDaddy.com, LLC | July 28, 2026 |
| ndg.lt | 🇱🇹 Lithuania | Kertinis valstybes telekomunikaciju centras | July 27, 2026 |
| webhostforasp.net | Unknown | Cloudflare, Inc. | July 24, 2026 |
| anapopovic.com | 🇳🇱 Netherlands | Signet B.V. | July 24, 2026 |
| tabu.co.il | 🇮🇱 Israel | Cloudflare, Inc. | July 24, 2026 |
| ptemasters.com | 🇺🇸 United States | Telx | July 24, 2026 |
| bir.org.uk | 🇬🇧 United Kingdom | Amazon.com, Inc. | July 24, 2026 |
| rseq.ca | 🇨🇦 Canada | OVH SAS | July 23, 2026 |
| sil.com.br | 🇧🇷 Brazil | Amazon.com, Inc. | July 23, 2026 |
| seekdotnet.com | Unknown | Cloudflare, Inc. | July 23, 2026 |
Identifiers
Top Umbraco 4.x Identifiers
Who is using Umbraco 4.x and where: top five by detected sites.
Technology
Microsoft ASP.NET
700
jQuery
606
IIS
449
Windows Server
449
Google Hosted Libraries
230
Language
English
379
Danish
53
Dutch
30
French
26
Italian
26
ASN
Cloudflare, Inc.
168
Amazon.com, Inc.
68
team.blue Denmark A/S
68
Microsoft Corporation
50
OVH SAS
15
TLD
com
272
dk
78
au
62
uk
42
ca
25
Country
Unknown
145
Denmark
86
United States
72
Australia
67
United Kingdom
60
Deep Dive
Most Frequent Umbraco 4.x Identifiers and Complementary Tech
Most frequently encountered identifiers for Umbraco 4.x and its complementary technologies.
| Technology | Sites |
|---|---|
Microsoft ASP.NET | 700 |
jQuery | 606 |
IIS | 449 |
Windows Server | 449 |
Google Hosted Libraries | 230 |
Bootstrap | 206 |
Cloudflare | 196 |
| HSTS | 196 |
HTTP/3 | 171 |
Google Tag Manager | 151 |
Osano | 142 |
|
Cloudflare Browser Insights | 129 |
Google Analytics | 95 |
jQuery UI | 89 |
cdnjs | 87 |
Modernizr | 73 |
Plesk | 69 |
|
jQuery Migrate | 61 |
Pinterest | 46 |
prettyPhoto | 41 |
AddThis | 39 |
Google Maps | 39 |
|
jQuery CDN | 39 |
Lightbox | 38 |
reCAPTCHA | 28 |
| Language | Sites |
|---|---|
| English | 379 |
| Danish | 53 |
| Dutch | 30 |
| French | 26 |
| Italian | 26 |
| Swedish | 20 |
| Latin | 16 |
| German | 14 |
| Croatian | 11 |
| Portuguese | 11 |
| Spanish | 10 |
| Norwegian Nynorsk | 9 |
| Norwegian Bokmål | 8 |
| Polish | 6 |
| Finnish | 5 |
| Hebrew | 5 |
| Icelandic | 4 |
| Tswana | 4 |
| Catalan | 3 |
| Czech | 3 |
| Greek | 3 |
| Esperanto | 3 |
| Hungarian | 2 |
| Romanian | 2 |
| Slovak | 2 |
| Shona | 2 |
| Swahili | 2 |
| Tagalog | 2 |
| Chinese | 2 |
| Arabic | 1 |
| Bosnian | 1 |
| Welsh | 1 |
| Indonesian | 1 |
| Lithuanian | 1 |
| Malay | 1 |
| Russian | 1 |
| Southern Sotho | 1 |
| Serbian | 1 |
| Turkish | 1 |
| Xhosa | 1 |
| ASN | Sites |
|---|---|
| Cloudflare, Inc. | 168 |
| Amazon.com, Inc. | 68 |
| team.blue Denmark A/S | 68 |
| Microsoft Corporation | 50 |
| OVH SAS | 15 |
| Corelia SAS | 12 |
| Plus Hosting Grupa d.o.o. | 12 |
| Cloud Compliance Solutions | 11 |
| TDC Holding A/S | 11 |
| CDLAN SpA | 10 |
| Signet B.V. | 8 |
| GoDaddy.com, LLC | 7 |
| Servicos De Comunicacoes E Multimedia S.A. | 7 |
| Combell NV | 6 |
| Infopact Netwerkdiensten B.V. | 6 |
| Iomart Cloud Services Limited | 6 |
| ACTIVE 24, s.r.o. | 5 |
| Contabo GmbH | 5 |
| Hetzner Online GmbH | 5 |
| Host Europe GmbH | 5 |
| LeaseWeb Netherlands B.V. | 5 |
| Miroslaw Backiel | 5 |
| Eviny Fiber AS | 4 |
| Host Collective, Inc. | 4 |
| INTERNET CZ, a.s. | 4 |
| IONOS SE | 4 |
| Liquid Web, L.L.C | 4 |
| Node4 Limited | 4 |
| genesys informatica srl | 4 |
| vGRID Limited | 4 |
| web-crossing GmbH | 4 |
| ASK4 Limited | 3 |
| Ans Academy Limited | 3 |
| Aruba S.p.A. | 3 |
| BTG Networks | 3 |
| British Telecommunications PLC | 3 |
| Google LLC | 3 |
| Interserver, Inc | 3 |
| Network Solutions, LLC | 3 |
| No ACK Group Holding AB | 3 |
| One.com A/S | 3 |
| Telemach Hrvatska d.o.o. | 3 |
| Unified Layer | 3 |
| Voip-un Limited | 3 |
| A2b Ip B.v. | 2 |
| Akamai International B.V. | 2 |
| Cloudflare London, LLC | 2 |
| Entity Data Pty Limited | 2 |
| Fab:IT ApS | 2 |
| GlobiCom Limited | 2 |
| HKBN Enterprise Solutions HK Limited | 2 |
| Handy Networks, LLC | 2 |
| Hanson Communications, Inc. | 2 |
| Heart Internet limited | 2 |
| Hostek AB | 2 |
| Interspace Ltd. | 2 |
| Locaweb Servicos de Internet SA | 2 |
| M247 Ltd | 2 |
| Mammoth Media Pty Ltd | 2 |
| Mirror Partner Utveckling AB | 2 |
| Netonline Bilisim Sirketi LTD | 2 |
| Orange Polska Spolka Akcyjna | 2 |
| Rackspace Hosting | 2 |
| Register S.p.A. | 2 |
| Team Blue Carrier Limited | 2 |
| Telia Cygate AB | 2 |
| Vodafone Czech Republic a.s. | 2 |
| WHG Hosting Services Ltd | 2 |
| Webhuset AS | 2 |
| Zettaplan AG | 2 |
| iseek Communications Pty Ltd | 2 |
| 5G NETWORK OPERATIONS PTY LTD | 1 |
| Admax AB | 1 |
| Akamai Connected Cloud | 1 |
| Allstream Business US, LLC | 1 |
| Almouroltec Servicos De Informatica E Internet Lda | 1 |
| BIT BV | 1 |
| Bell Canada | 1 |
| Bezeq International Ltd. | 1 |
| CanNet Internet Services, Inc. | 1 |
| Cogent Communications, LLC | 1 |
| Comcast Cable Communications, LLC | 1 |
| Comnet Bulgaria Holding Ltd. | 1 |
| Consortium GARR | 1 |
| Cox Communications Inc. | 1 |
| Crown Castle Fiber LLC | 1 |
| DLX A/S | 1 |
| Datawire Ag | 1 |
| Effix Holding BV | 1 |
| Enterhost | 1 |
| Fontventa Sl | 1 |
| Forss IT AB | 1 |
| GTS Telecom SRL | 1 |
| GearHost, Inc. | 1 |
| GlobalConnect A/S | 1 |
| HIVELOCITY, Inc. | 1 |
| HostPapa | 1 |
| Hostopia Australia Web Pty Ltd | 1 |
| Hostpro Lab LLC | 1 |
| Hrvatski Telekom d.d. | 1 |
| Hutchison Drei Austria GmbH | 1 |
| IACD Systemhaus GmbH | 1 |
| IBM Cloud | 1 |
| ICT | 1 |
| IMAGINET | 1 |
| INEA sp. z o.o. | 1 |
| Incapsula Inc | 1 |
| Infracom Managed Services AB | 1 |
| Iqvia Solutions Hq Ltd | 1 |
| Itm8 A/S | 1 |
| Kda Web Services Ltd | 1 |
| Kertinis valstybes telekomunikaciju centras | 1 |
| Kohen Technology Group Pty Ltd | 1 |
| Leaseweb USA, Inc. | 1 |
| Level 27 BVBA | 1 |
| Livehosting Datacenter Srl | 1 |
| Magyar Telekom Plc. | 1 |
| Make It Simple Consultoria Informatica Lda | 1 |
| Midwest Energy & Communications | 1 |
| Nayatel Pvt Ltd | 1 |
| NewtekOne, Inc. | 1 |
| Ntirety, Inc. | 1 |
| Onetra Bilisim Teknolojileri San. Tic. LTD. STI. | 1 |
| Phoenix Nap, LLC. | 1 |
| Proximus NV | 1 |
| Psychz Networks | 1 |
| Quantcom, a.s. | 1 |
| Reevo S.p.A. | 1 |
| Remote24 AB | 1 |
| SEWAN SAS | 1 |
| Sentia Denmark A/S | 1 |
| Servicios de Hosting en Internet S.A. | 1 |
| Sharktech | 1 |
| Strata Networks Ltd | 1 |
| Strato GmbH | 1 |
| T-Mobile Czech Republic a.s. | 1 |
| Telia Company AB | 1 |
| Telx | 1 |
| Terrakom d.o.o. | 1 |
| Tilaa B.V. | 1 |
| Uniserver Internet B.V. | 1 |
| Universite Laval | 1 |
| Vivacom Bulgaria EAD | 1 |
| Wind Tre S.p.A. | 1 |
| iteam Braathe AS | 1 |
| xneelo | 1 |
| zColo | 1 |
| TLD | Sites |
|---|---|
| com | 272 |
| dk | 78 |
| au | 62 |
| uk | 42 |
| ca | 25 |
| nl | 23 |
| it | 22 |
| se | 22 |
| be | 12 |
| nz | 12 |
| net | 11 |
| org | 11 |
| no | 9 |
| cz | 8 |
| fr | 8 |
| hr | 8 |
| pt | 8 |
| pl | 6 |
| de | 5 |
| eu | 5 |
| at | 4 |
| br | 4 |
| gr | 4 |
| il | 4 |
| za | 4 |
| ch | 3 |
| mx | 3 |
| as | 2 |
| cn | 2 |
| hk | 2 |
| info | 2 |
| lt | 2 |
| ro | 2 |
| ar | 1 |
| cc | 1 |
| es | 1 |
| fo | 1 |
| hu | 1 |
| is | 1 |
| ms | 1 |
| my | 1 |
| np | 1 |
| nr | 1 |
| tr | 1 |
| tv | 1 |
| ua | 1 |
| Country | Sites |
|---|---|
| Unknown | 145 |
| 🇩🇰 Denmark | 86 |
| 🇺🇸 United States | 72 |
| 🇦🇺 Australia | 67 |
| 🇬🇧 United Kingdom | 60 |
| 🇳🇱 Netherlands | 33 |
| 🇮🇹 Italy | 28 |
| 🇨🇦 Canada | 25 |
| 🇸🇪 Sweden | 22 |
| 🇫🇷 France | 21 |
| 🇭🇷 Croatia | 16 |
| 🇧🇪 Belgium | 13 |
| 🇳🇴 Norway | 12 |
| 🇳🇿 New Zealand | 10 |
| 🇵🇹 Portugal | 10 |
| 🇨🇿 Czech Republic | 9 |
| 🇩🇪 Germany | 8 |
| 🇵🇱 Poland | 7 |
| 🇦🇹 Austria | 5 |
| 🇮🇱 Israel | 5 |
| 🇸🇬 Singapore | 5 |
| 🇧🇷 Brazil | 4 |
| 🇷🇴 Romania | 4 |
| 🇨🇭 Switzerland | 3 |
| 🇪🇸 Spain | 3 |
| 🇭🇰 Hong Kong | 3 |
| 🇮🇪 Ireland | 3 |
| 🇲🇽 Mexico | 3 |
| 🇧🇬 Bulgaria | 2 |
| 🇨🇳 China | 2 |
| 🇨🇾 Cyprus | 2 |
| 🇿🇦 South Africa | 2 |
| 🇦🇷 Argentina | 1 |
| 🇭🇺 Hungary | 1 |
| 🇱🇹 Lithuania | 1 |
| 🇲🇾 Malaysia | 1 |
| 🇳🇵 Nepal | 1 |
| 🇳🇷 Nauru | 1 |
| 🇵🇰 Pakistan | 1 |
| 🇹🇷 Turkey | 1 |
| 🇹🇻 Tuvalu | 1 |
| 🇺🇦 Ukraine | 1 |