WordPress 4.9.21
WordPress is a free and open-source content management system written in PHP and paired with a MySQL or MariaDB database. Features include a plugin architecture and a template system.
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WordPress 4.9.21 companies in the United States
Every WordPress 4.9.21 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 WordPress 4.9.21 sites by traffic
Start with the highest-traffic end of the dataset.
Sites on a .com domain
Limit results to WordPress 4.9.21 websites on .com domains.
Companies with phone numbers
Only sites where an organisation phone number was found.
Complementary Technologies
WordPress 4.9.21 Complementary Technologies
Technologies frequently found with WordPress 4.9.21.
Most Frequent Complementary Tech
MySQL
284
PHP
284
jQuery
279
jQuery Migrate
240
Apache HTTP Server
132
Contact Form 7
124
Bootstrap
88
Slider Revolution
79
Yoast SEO
73
Nginx
66
Live Websites
Websites Using WordPress 4.9.21
Live sites we caught running WordPress 4.9.21 in the wild, straight from the latest crawl.
| Domain | Server Location | ASN | Crawl Date |
|---|---|---|---|
| lavtechs.com | 🇺🇸 United States | DigitalOcean, LLC | July 25, 2026 |
| baopublishing.it | 🇮🇹 Italy | Cloudflare, Inc. | July 24, 2026 |
| ttpcargo.com | 🇸🇬 Singapore | DigitalOcean, LLC | July 23, 2026 |
| triangle.com.bd | 🇧🇩 Bangladesh | Triangle Services Limited. | July 23, 2026 |
| funix.edu.vn | 🇻🇳 Vietnam | Google LLC | July 23, 2026 |
| lasflorespush.com | 🇺🇸 United States | GoDaddy.com, LLC | June 18, 2026 |
| icradioshow.com | 🇳🇿 New Zealand | One New Zealand Group Limited | June 18, 2026 |
| biogenpharma.pk | 🇵🇰 Pakistan | Hetzner Online GmbH | June 18, 2026 |
| parilechique.nl | 🇳🇱 Netherlands | LeaseWeb Netherlands B.V. | June 18, 2026 |
| tayfunyel.com | 🇹🇷 Turkey | Cloudflare, Inc. | June 18, 2026 |
Identifiers
Top WordPress 4.9.21 Identifiers
Who is using WordPress 4.9.21 and where: top five by detected sites.
Technology
MySQL
284
PHP
284
jQuery
279
jQuery Migrate
240
Apache HTTP Server
132
Language
English
111
Russian
19
German
18
Chinese
16
Spanish
14
ASN
GoDaddy.com, LLC
36
Cloudflare, Inc.
24
Host Europe GmbH
14
OVH SAS
14
IONOS SE
12
TLD
com
126
uk
19
org
18
ru
13
it
10
Country
United States
56
Unknown
29
United Kingdom
23
Russia
19
Italy
15
Deep Dive
Most Frequent WordPress 4.9.21 Identifiers and Complementary Tech
Most frequently encountered identifiers for WordPress 4.9.21 and its complementary technologies.
| Technology | Sites |
|---|---|
MySQL | 284 |
PHP | 284 |
jQuery | 279 |
|
jQuery Migrate | 240 |
Apache HTTP Server | 132 |
Contact Form 7 | 124 |
Bootstrap | 88 |
Slider Revolution | 79 |
Yoast SEO | 73 |
Nginx | 66 |
Modernizr | 61 |
HTTP/3 | 53 |
wpBakery | 52 |
Google Analytics | 51 |
| imagesLoaded | 47 |
OWL Carousel | 43 |
Cloudflare | 42 |
LiteSpeed | 41 |
YouTube | 38 |
Slick | 29 |
reCAPTCHA | 29 |
Lightbox | 27 |
Google Tag Manager | 25 |
Underscore.js | 24 |
prettyPhoto | 24 |
| Language | Sites |
|---|---|
| English | 111 |
| Russian | 19 |
| German | 18 |
| Chinese | 16 |
| Spanish | 14 |
| Italian | 11 |
| Japanese | 11 |
| Portuguese | 9 |
| Turkish | 8 |
| Polish | 7 |
| French | 6 |
| Vietnamese | 6 |
| Hebrew | 5 |
| Latin | 5 |
| Korean | 3 |
| Albanian | 3 |
| Bosnian | 2 |
| Greek | 2 |
| Lithuanian | 2 |
| Malay | 2 |
| Romanian | 2 |
| Shona | 2 |
| Tagalog | 2 |
| Afrikaans | 1 |
| Bulgarian | 1 |
| Czech | 1 |
| Welsh | 1 |
| Croatian | 1 |
| Indonesian | 1 |
| Ganda | 1 |
| Macedonian | 1 |
| Dutch | 1 |
| Norwegian Nynorsk | 1 |
| Slovak | 1 |
| Southern Sotho | 1 |
| Swahili | 1 |
| Swedish | 1 |
| Thai | 1 |
| Ukrainian | 1 |
| Xhosa | 1 |
| Yoruba | 1 |
| ASN | Sites |
|---|---|
| GoDaddy.com, LLC | 36 |
| Cloudflare, Inc. | 24 |
| Host Europe GmbH | 14 |
| OVH SAS | 14 |
| IONOS SE | 12 |
| DigitalOcean, LLC | 11 |
| Hetzner Online GmbH | 11 |
| Amazon.com, Inc. | 7 |
| Aruba S.p.A. | 7 |
| Jsc timeweb | 5 |
| PEG TECH INC | 5 |
| Akamai Connected Cloud | 4 |
| Beget LLC | 4 |
| Domain names registrar REG.RU, Ltd | 4 |
| Google LLC | 4 |
| VTX Services SA | 4 |
| EuroByte LLC | 3 |
| Hangzhou Alibaba Advertising Co.,Ltd. | 3 |
| Sucuri | 3 |
| Globalhost d.o.o. | 2 |
| Heart Internet limited | 2 |
| Host SpA | 2 |
| Hostinger International Limited | 2 |
| LeaseWeb Netherlands B.V. | 2 |
| Long Van Soft Solution JSC | 2 |
| Microsoft Corporation | 2 |
| Namecheap, Inc. | 2 |
| One System Integration LTD | 2 |
| Orange Polska Spolka Akcyjna | 2 |
| PT Parsaoran Global Datatrans | 2 |
| Serverwala Cloud Datacenters Private Limited | 2 |
| VNPT Corp | 2 |
| Xserver Inc. | 2 |
| ASJ INC. | 1 |
| Almouroltec Servicos De Informatica E Internet Lda | 1 |
| Aysima Bilisim Teknolojileri | 1 |
| BNET BULUT Bilisim Hizmetleri Tic. Ltd. Sti. | 1 |
| Beijing Guanghuan Xinwang Digital | 1 |
| Branch of Long Van System Solution JSC - Hanoi | 1 |
| Bulgarian Research and Education Network Association (BREN) | 1 |
| CHINA UNICOM China169 Backbone | 1 |
| CLAUS WEB srl | 1 |
| Cellcom Fixed Line Communication L.P | 1 |
| Chiroro-Net Co.,Ltd. | 1 |
| Combell NV | 1 |
| Comercio e Prestacao de Servicos Informaticos, Lda | 1 |
| Cyber_Folks S.A. | 1 |
| DEFT.COM | 1 |
| Dantia Tecnologia S.L. | 1 |
| Data Communication Business Group | 1 |
| Deutsche Telekom AG | 1 |
| Digi Romania S.A. | 1 |
| DigiRock, Inc. | 1 |
| DinaHosting S.L. | 1 |
| FPT Telecom Company | 1 |
| Freedom Internet BV | 1 |
| GANDI SAS | 1 |
| GMO Internet Group, Inc. | 1 |
| GNET INC. | 1 |
| HCN CHUNGBUK CABLE TV SYSTEMS | 1 |
| HostDime.com, Inc. | 1 |
| HostLAB Bilisim Teknolojileri A.S. | 1 |
| Hosterion Srl | 1 |
| Hostopia Australia Web Pty Ltd | 1 |
| IDC Frontier Inc. | 1 |
| IFX Corporation | 1 |
| InMotion Hosting, Inc. | 1 |
| Interserver, Inc | 1 |
| Iomart Cloud Services Limited | 1 |
| JSC Avantel | 1 |
| JSC IOT | 1 |
| KDDI Web Communications Inc. | 1 |
| Leaseweb Canada Inc. | 1 |
| Liquid Web, L.L.C | 1 |
| Locaweb Servicos de Internet SA | 1 |
| NSS S.A. | 1 |
| NTT Global Data Centers EMEA UK Ltd. | 1 |
| Nazwa.pl Sp.z.o.o. | 1 |
| Netia SA | 1 |
| Netikom SRL | 1 |
| Netvia Bilisim Yazilim Dan. Tic. Ltd. Sti. | 1 |
| Neue Medien Muennich GmbH | 1 |
| O.m.c. Computers & Communications Ltd | 1 |
| One New Zealand Group Limited | 1 |
| Oracle Corporation | 1 |
| Otsuka Corp. | 1 |
| POWER LINE DATACENTER | 1 |
| PT JC Indonesia | 1 |
| PT. Jupiter Jala Arta | 1 |
| Renater | 1 |
| Republican Unitary Telecommunication Enterprise Beltelecom | 1 |
| S.P.D. Hosting LTD | 1 |
| SAKURA Internet Inc. | 1 |
| Seonet Multimedia s.r.o. | 1 |
| Sh Online Iletisim Anonim Sirketi | 1 |
| Soluciones web on line s.l. | 1 |
| Sprinthost.ru LLC | 1 |
| TELEKOM.pl Sp. z o.o. | 1 |
| The Constant Company, LLC | 1 |
| Tomattos Technologies Ltd. | 1 |
| Triangle Services Limited. | 1 |
| UAB Interneto vizija | 1 |
| UpCloud USA Inc | 1 |
| VERIUP Bulut Internet Hizmetleri A.S. | 1 |
| WHG Hosting Services Ltd | 1 |
| WebSupport s.r.o. | 1 |
| Wind Tre S.p.A. | 1 |
| Wolfpaw Data Centres Inc | 1 |
| Xnet Core Sl | 1 |
| Your Hosting B.V. | 1 |
| Yuan-Jhen Info., Co., Ltd | 1 |
| home.pl sp. z o.o. | 1 |
| netcup GmbH | 1 |
| united-domains GmbH | 1 |
| TLD | Sites |
|---|---|
| com | 126 |
| uk | 19 |
| org | 18 |
| ru | 13 |
| it | 10 |
| vn | 8 |
| jp | 7 |
| net | 7 |
| de | 6 |
| at | 4 |
| ch | 4 |
| cn | 4 |
| il | 4 |
| ca | 3 |
| eu | 3 |
| pl | 3 |
| pt | 3 |
| ro | 3 |
| au | 2 |
| br | 2 |
| fr | 2 |
| gr | 2 |
| info | 2 |
| lt | 2 |
| nl | 2 |
| pro | 2 |
| ua | 2 |
| xn--p1ai | 2 |
| ar | 1 |
| ba | 1 |
| bd | 1 |
| bg | 1 |
| by | 1 |
| co | 1 |
| cz | 1 |
| es | 1 |
| hr | 1 |
| in | 1 |
| lk | 1 |
| me | 1 |
| mk | 1 |
| mx | 1 |
| pk | 1 |
| sk | 1 |
| tech | 1 |
| tj | 1 |
| tr | 1 |
| Country | Sites |
|---|---|
| 🇺🇸 United States | 56 |
| Unknown | 29 |
| 🇬🇧 United Kingdom | 23 |
| 🇷🇺 Russia | 19 |
| 🇮🇹 Italy | 15 |
| 🇩🇪 Germany | 13 |
| 🇯🇵 Japan | 10 |
| 🇨🇳 China | 8 |
| 🇻🇳 Vietnam | 8 |
| 🇫🇷 France | 7 |
| 🇵🇱 Poland | 7 |
| 🇹🇷 Turkey | 7 |
| 🇮🇱 Israel | 6 |
| 🇦🇹 Austria | 5 |
| 🇨🇦 Canada | 5 |
| 🇪🇸 Spain | 5 |
| 🇮🇩 Indonesia | 5 |
| 🇨🇭 Switzerland | 4 |
| 🇮🇳 India | 4 |
| 🇳🇱 Netherlands | 4 |
| 🇦🇺 Australia | 3 |
| 🇧🇷 Brazil | 3 |
| 🇵🇹 Portugal | 3 |
| 🇷🇴 Romania | 3 |
| 🇸🇬 Singapore | 3 |
| 🇦🇷 Argentina | 2 |
| 🇧🇦 Bosnia and Herzegovina | 2 |
| 🇧🇩 Bangladesh | 2 |
| 🇱🇹 Lithuania | 2 |
| 🇸🇨 Seychelles | 2 |
| 🇹🇼 Taiwan | 2 |
| 🇺🇦 Ukraine | 2 |
| 🇧🇬 Bulgaria | 1 |
| 🇧🇾 Belarus | 1 |
| 🇨🇴 Colombia | 1 |
| 🇨🇿 Czech Republic | 1 |
| 🇫🇮 Finland | 1 |
| 🇬🇷 Greece | 1 |
| 🇭🇰 Hong Kong | 1 |
| 🇭🇷 Croatia | 1 |
| 🇰🇷 South Korea | 1 |
| 🇱🇰 Sri Lanka | 1 |
| 🇲🇪 Montenegro | 1 |
| 🇲🇽 Mexico | 1 |
| 🇳🇿 New Zealand | 1 |
| 🇵🇰 Pakistan | 1 |
| 🇸🇰 Slovakia | 1 |