WEBrick
Web servers
Visit docs.ruby-lang.org
WEBrick is a lightweight HTTP server library in Ruby, included in the standard library, primarily used for local development and testing of Ruby web applications.
Lead List Exporter
210 live WEBrick sites, ready to export.
That's how many WEBrick 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.
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WEBrick companies in the United States
Every WEBrick 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 WEBrick sites by traffic
Start with the highest-traffic end of the dataset.
Sites on a .com domain
Limit results to WEBrick websites on .com domains.
Companies with phone numbers
Only sites where an organisation phone number was found.
Complementary Technologies
WEBrick Complementary Technologies
Technologies frequently found with WEBrick.
WEBrick Versions
| Version | Sites |
|---|---|
| 1 | 209 |
Most Frequent Complementary Tech
Ruby
209
jQuery
93
Ruby on Rails
89
Bootstrap
45
HSTS
34
Google Analytics
29
Apache HTTP Server
25
Cloudflare
23
Jekyll
21
PHP
21
Live Websites
Websites Using WEBrick
Live sites we caught running WEBrick in the wild, straight from the latest crawl.
| Domain | Server Location | ASN | Crawl Date |
|---|---|---|---|
| dn42.eu | Unknown | Hermann Lienstromberg | July 27, 2026 |
| hotels-mecca.com | 🇺🇸 United States | Amazon.com, Inc. | July 26, 2026 |
| hotels-joao-pessoa.com | 🇺🇸 United States | Amazon.com, Inc. | July 26, 2026 |
| generika.cc | 🇫🇮 Finland | Hetzner Online GmbH | July 25, 2026 |
| pixage.com.tr | 🇹🇷 Turkey | Koc Sistem Bilgi Ve Iletisim Hizmetleri Anonim Sirketi | July 24, 2026 |
| musicianguide.com | 🇺🇸 United States | Oracle Corporation | July 23, 2026 |
| panoply.io | 🇮🇴 British Indian Ocean Territory | Amazon.com, Inc. | July 23, 2026 |
| readytofashion.jp | 🇯🇵 Japan | Amazon.com, Inc. | July 22, 2026 |
| vonderste.in | 🇩🇪 Germany | netcup GmbH | July 22, 2026 |
| elyzion.net | 🇫🇷 France | OVH SAS | July 21, 2026 |
Identifiers
Top WEBrick Identifiers
Who is using WEBrick and where: top five by detected sites.
Technology
Ruby
209
jQuery
93
Ruby on Rails
89
Bootstrap
45
HSTS
34
Language
English
83
German
19
Spanish
12
Japanese
10
Portuguese
9
ASN
Amazon.com, Inc.
44
Hetzner Online GmbH
27
DigitalOcean, LLC
21
OVH SAS
8
Database Mart LLC
7
TLD
com
70
org
21
de
18
net
12
ru
7
Country
United States
48
Germany
39
Unknown
16
France
14
Japan
13
Deep Dive
Most Frequent WEBrick Identifiers and Complementary Tech
Most frequently encountered identifiers for WEBrick and its complementary technologies.
| Technology | Sites |
|---|---|
|
Ruby | 209 |
jQuery | 93 |
Ruby on Rails | 89 |
Bootstrap | 45 |
| HSTS | 34 |
Google Analytics | 29 |
Apache HTTP Server | 25 |
Cloudflare | 23 |
Jekyll | 21 |
PHP | 21 |
cdnjs | 21 |
Google Hosted Libraries | 19 |
Prototype | 19 |
HTTP/3 | 18 |
jsDelivr | 18 |
Redmine | 17 |
reCAPTCHA | 16 |
RackCache | 14 |
Ubuntu | 13 |
|
jQuery CDN | 13 |
Google Maps | 11 |
Google Tag Manager | 11 |
Lightbox | 11 |
Nginx | 10 |
BootstrapCDN | 9 |
| Language | Sites |
|---|---|
| English | 83 |
| German | 19 |
| Spanish | 12 |
| Japanese | 10 |
| Portuguese | 9 |
| French | 7 |
| Italian | 7 |
| Latin | 7 |
| Welsh | 4 |
| Dutch | 4 |
| Russian | 4 |
| Slovenian | 4 |
| Finnish | 3 |
| Swahili | 3 |
| Chinese | 3 |
| Afrikaans | 2 |
| Czech | 2 |
| Danish | 2 |
| Romanian | 2 |
| Southern Sotho | 2 |
| Turkish | 2 |
| Xhosa | 2 |
| Catalan | 1 |
| Irish | 1 |
| Hungarian | 1 |
| Korean | 1 |
| Lithuanian | 1 |
| Ganda | 1 |
| Norwegian Nynorsk | 1 |
| Norwegian Bokmål | 1 |
| Polish | 1 |
| Swedish | 1 |
| Tagalog | 1 |
| Tswana | 1 |
| Tsonga | 1 |
| Zulu | 1 |
| ASN | Sites |
|---|---|
| Amazon.com, Inc. | 44 |
| Hetzner Online GmbH | 27 |
| DigitalOcean, LLC | 21 |
| OVH SAS | 8 |
| Database Mart LLC | 7 |
| netcup GmbH | 7 |
| Akamai Connected Cloud | 6 |
| Google LLC | 6 |
| Oracle Corporation | 5 |
| Hangzhou Alibaba Advertising Co.,Ltd. | 4 |
| Task Software Ltda | 4 |
| The Constant Company, LLC | 4 |
| SAKURA Internet Inc. | 3 |
| BlackGATE B.V. | 2 |
| GMO Internet Group, Inc. | 2 |
| Host Europe GmbH | 2 |
| INOC, LLC | 2 |
| New Dream Network, LLC | 2 |
| Scaleway SAS | 2 |
| Superonline Iletisim Hizmetleri A.S. | 2 |
| 1&1 Versatel GmbH | 1 |
| 1984 ehf | 1 |
| AT&T Enterprises, LLC | 1 |
| Aeza Group LLC | 1 |
| Alfa Telecom Ltd. | 1 |
| Amazon Data Services Ireland Ltd | 1 |
| Asahi Net | 1 |
| Aureon Network Services | 1 |
| British Telecommunications PLC | 1 |
| CESNET z.s.p.o. | 1 |
| CentroSet Ltd. | 1 |
| Cogent Communications, LLC | 1 |
| Commonwealth Scientific and Industrial | 1 |
| Cornell University | 1 |
| Ddos-guard Ltd | 1 |
| Domain names registrar REG.RU, Ltd | 1 |
| ELIN.hu Informatikai Szolgaltato es Tanacsado Kft. | 1 |
| Eurofiber France SAS | 1 |
| Fastly, Inc. | 1 |
| Free SAS | 1 |
| FreeBit Co.,Ltd. | 1 |
| Google Fiber Inc. | 1 |
| Hermann Lienstromberg | 1 |
| Hostinger International Limited | 1 |
| Hyperoptic Ltd | 1 |
| IONOS SE | 1 |
| IP-Projects GmbH & Co. KG | 1 |
| IT7 Networks Inc | 1 |
| IX Reach Ltd | 1 |
| Init7 (Switzerland) Ltd. | 1 |
| Instytut Geofizyki PAN | 1 |
| JSC Selectel | 1 |
| Jisc Services Limited | 1 |
| Koc Sistem Bilgi Ve Iletisim Hizmetleri Anonim Sirketi | 1 |
| Microsoft Corporation | 1 |
| National Infrastructures for Research and Technology S.A. | 1 |
| Odido Netherlands B.V. | 1 |
| Rede Nacional de Ensino e Pesquisa | 1 |
| Renater | 1 |
| SWITCH | 1 |
| Signet B.V. | 1 |
| Starhub Ltd | 1 |
| TIM | 1 |
| Tiscali SpA | 1 |
| VK Tech Kazakhstan LLP | 1 |
| Viter Evgeniy Vasilevich | 1 |
| WEDOS Internet, a.s. | 1 |
| Zen Internet Ltd | 1 |
| alwaysdata SARL | 1 |
| net services GmbH & Co. KG | 1 |
| TLD | Sites |
|---|---|
| com | 70 |
| org | 21 |
| de | 18 |
| net | 12 |
| ru | 7 |
| br | 6 |
| jp | 6 |
| mx | 6 |
| eu | 4 |
| fr | 3 |
| io | 3 |
| nl | 3 |
| si | 3 |
| ca | 2 |
| ch | 2 |
| in | 2 |
| info | 2 |
| me | 2 |
| se | 2 |
| tr | 2 |
| xyz | 2 |
| 168 | 1 |
| 172 | 1 |
| 70 | 1 |
| ar | 1 |
| as | 1 |
| at | 1 |
| au | 1 |
| ax | 1 |
| be | 1 |
| biz | 1 |
| cc | 1 |
| city | 1 |
| cloud | 1 |
| club | 1 |
| contact | 1 |
| cz | 1 |
| eco | 1 |
| es | 1 |
| fi | 1 |
| gr | 1 |
| it | 1 |
| li | 1 |
| ovh | 1 |
| pl | 1 |
| qa | 1 |
| science | 1 |
| systems | 1 |
| tech | 1 |
| tf | 1 |
| ua | 1 |
| uk | 1 |
| wiki | 1 |
| Country | Sites |
|---|---|
| 🇺🇸 United States | 48 |
| 🇩🇪 Germany | 39 |
| Unknown | 16 |
| 🇫🇷 France | 14 |
| 🇯🇵 Japan | 13 |
| 🇷🇺 Russia | 8 |
| 🇧🇷 Brazil | 7 |
| 🇫🇮 Finland | 6 |
| 🇲🇽 Mexico | 6 |
| 🇨🇦 Canada | 5 |
| 🇬🇧 United Kingdom | 4 |
| 🇳🇱 Netherlands | 4 |
| 🇦🇺 Australia | 3 |
| 🇨🇭 Switzerland | 3 |
| 🇨🇳 China | 3 |
| 🇮🇴 British Indian Ocean Territory | 3 |
| 🇹🇷 Turkey | 3 |
| 🇦🇷 Argentina | 2 |
| 🇨🇿 Czech Republic | 2 |
| 🇮🇳 India | 2 |
| 🇮🇹 Italy | 2 |
| 🇲🇪 Montenegro | 2 |
| 🇸🇪 Sweden | 2 |
| 🇦🇹 Austria | 1 |
| 🇧🇪 Belgium | 1 |
| 🇪🇸 Spain | 1 |
| 🇬🇷 Greece | 1 |
| 🇭🇺 Hungary | 1 |
| 🇮🇪 Ireland | 1 |
| 🇮🇸 Iceland | 1 |
| 🇰🇷 South Korea | 1 |
| 🇰🇿 Kazakhstan | 1 |
| 🇵🇱 Poland | 1 |
| 🇶🇦 Qatar | 1 |
| 🇸🇬 Singapore | 1 |
| 🇺🇦 Ukraine | 1 |