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.
Disclaimer: The data used in this report is collected from the current VersionDB release (February 2026) containing a total of 12,727,168 domains. All statistics reflect this dataset and do not claim to represent all websites globally.
WordPress 4.4.21 Complementary Technologies
Technologies frequently found with WordPress 4.4.21.
Live WordPress 4.4.21 Sites
22
Complementary Tech
69
Most Frequent Complementary Tech
Websites Using WordPress 4.4.21
An unordered, non-ranked list generated from observed technology data.
| Domain | Server Location | ASN | Crawl Date |
|---|---|---|---|
| 2kuaihuo.com | ðŸ‡ðŸ‡° Hong Kong | Tencent Building, Kejizhongyi Avenue | February 14, 2026 |
| greenjesuit.org | Unknown | Cloudflare, Inc. | February 14, 2026 |
| domowesposobynazdrowie.pl | 🇵🇱 Poland | Cyber_Folks S.A. | February 14, 2026 |
| studyscanner.com | Unknown | Cloudflare, Inc. | February 13, 2026 |
| lesalon-emmen.nl | 🇳🇱 Netherlands | NetBase BV | February 13, 2026 |
| maeda-hoken.com | 🇯🇵 Japan | SAKURA Internet Inc. | February 13, 2026 |
| fiint.cn | 🇨🇳 China | CHINANET SiChuan Telecom Internet Data Center | February 13, 2026 |
| badec.cz | Unknown | Cloudflare, Inc. | February 13, 2026 |
| labpharma.se | 🇩🇰 Denmark | One.com A/S | February 8, 2026 |
| ilterzocerchio.hu | 🇩🇪 Germany | IONOS SE | February 8, 2026 |
| printakun.com | 🇯🇵 Japan | Xserver Inc. | February 8, 2026 |
| pilsnerdragons.cz | 🇨🇿 Czech Republic | Vodafone Czech Republic a.s. | February 8, 2026 |
| docteursays.fr | 🇫🇷 France | OVH SAS | February 8, 2026 |
| ciekawostkiozdrowiu.pl | 🇵🇱 Poland | Cyber_Folks S.A. | February 7, 2026 |
| sumabai.com | 🇯🇵 Japan | SAKURA Internet Inc. | February 7, 2026 |
| k12tiku.com | 🇨🇳 China | Hangzhou Alibaba Advertising Co.,Ltd. | February 7, 2026 |
| persicetocaffe.com | 🇬🇧 United Kingdom | UK Dedicated Servers Limited | February 7, 2026 |
| lindeco.lt | 🇱🇹 Lithuania | UAB Interneto vizija | February 7, 2026 |
| congresoarqueonet.org | 🇪🇸 Spain | Tecnocratica Centro de Datos, S.L. | February 7, 2026 |
| wolfyakut.com | 🇫🇷 France | OVH SAS | February 6, 2026 |
| vchemraznica.ru | 🇩🇪 Germany | Leaseweb Deutschland GmbH | February 6, 2026 |
| nijiiro-alife.jp | 🇯🇵 Japan | GMO Internet Group, Inc. | February 6, 2026 |
Find Your Customers By Their Technologies
12,727,168 domains across 3,651 technologies. Ready for lead generation, market research, and security analysis.
Buy Now — $199.95 USDTop WordPress 4.4.21 Identifiers
Who is using WordPress 4.4.21 and where.
Countries
Top 5 most detected countries for WordPress 4.4.21
ASNs
Top 5 most detected ASNs for WordPress 4.4.21
Languages
Top 5 most detected Languages for WordPress 4.4.21
TLDs
Top 5 most detected TLDs for WordPress 4.4.21
Most Frequent WordPress 4.4.21 Identifiers and Complementary Tech
Most frequently encountered identifiers for WordPress 4.4.21 and its complementary technologies.
| Technology | Sites |
|---|---|
| jQuery | 22 |
| MySQL | 22 |
| PHP | 22 |
| jQuery Migrate | 20 |
| Nginx | 8 |
| Contact Form 7 | 8 |
| All in One SEO | 7 |
| Apache HTTP Server | 7 |
| Yoast SEO | 7 |
| All in One SEO Pack | 7 |
| Bootstrap | 4 |
| Google AdSense | 4 |
| parallax.js | 3 |
| Google Tag Manager | 3 |
| Cloudflare | 3 |
| Gravatar | 3 |
| Akismet | 3 |
| Slider Revolution | 3 |
| HTTP/3 | 3 |
| Google Analytics | 3 |
| Google Hosted Libraries | 3 |
| FitVids.JS | 2 |
| Super Socializer | 2 |
| LiteSpeed | 2 |
| ShareThis | 2 |
| Polylang | 2 |
| prettyPhoto | 2 |
| Cloudflare Browser Insights | 2 |
| Funding Choices | 2 |
| WPML | 2 |
| Modernizr | 2 |
| SWFObject | 2 |
| jQuery UI | 2 |
| AlmaLinux | 1 |
| VK Pixel | 1 |
| Ubuntu | 1 |
| 1 | |
| SiteOrigin Page Builder | 1 |
| MetaSlider | 1 |
| Plesk | 1 |
| Slick | 1 |
| Google Maps | 1 |
| Swiper | 1 |
| Liveinternet | 1 |
| UltimatelySocial | 1 |
| Infinite Scroll | 1 |
| SiteOrigin Vantage | 1 |
| OpenSSL | 1 |
| Chart.js | 1 |
| WP Fastest Cache | 1 |
| Language | Sites |
|---|---|
| English | 4 |
| Japanese | 4 |
| Italian | 3 |
| Chinese | 3 |
| Polish | 2 |
| Spanish | 2 |
| Czech | 2 |
| Latin | 2 |
| Turkish | 1 |
| Russian | 1 |
| French | 1 |
| Dutch | 1 |
| Welsh | 1 |
| Hungarian | 1 |
| Swahili | 1 |
| ASN | Sites |
|---|---|
| Cloudflare, Inc. | 3 |
| SAKURA Internet Inc. | 2 |
| OVH SAS | 2 |
| Cyber_Folks S.A. | 2 |
| CHINANET SiChuan Telecom Internet Data Center | 1 |
| GMO Internet Group, Inc. | 1 |
| Vodafone Czech Republic a.s. | 1 |
| Xserver Inc. | 1 |
| Tecnocratica Centro de Datos, S.L. | 1 |
| Hangzhou Alibaba Advertising Co.,Ltd. | 1 |
| UK Dedicated Servers Limited | 1 |
| NetBase BV | 1 |
| One.com A/S | 1 |
| IONOS SE | 1 |
| Leaseweb Deutschland GmbH | 1 |
| UAB Interneto vizija | 1 |
| Tencent Building, Kejizhongyi Avenue | 1 |
| TLD | Sites |
|---|---|
| com | 8 |
| pl | 2 |
| cz | 2 |
| org | 2 |
| nl | 1 |
| lt | 1 |
| ru | 1 |
| hu | 1 |
| jp | 1 |
| cn | 1 |
| fr | 1 |
| se | 1 |
| Country | Sites |
|---|---|
| 🇯🇵 Japan | 4 |
| 🇵🇱 Poland | 2 |
| 🇩🇪 Germany | 2 |
| 🇫🇷 France | 2 |
| 🇨🇳 China | 2 |
| 🇱🇹 Lithuania | 1 |
| 🇩🇰 Denmark | 1 |
| 🇳🇱 Netherlands | 1 |
| ðŸ‡ðŸ‡° Hong Kong | 1 |
| 🇪🇸 Spain | 1 |
| 🇬🇧 United Kingdom | 1 |
| 🇨🇿 Czech Republic | 1 |