16.2k live PHP 4.x sites, ready to export.
That's how many PHP 4.x websites are in VersionDB right now, each with its full tech stack, contact details, and social profiles.
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Every PHP 4.x website we detected in South Korea.
Only sites where a personal, company-hosted email was found.
Sites with at least one personnel LinkedIn profile.
Start with the highest-traffic end of the dataset.
Limit results to PHP 4.x websites on .com domains.
Only sites where an organisation phone number was found.
Which PHP 4.x versions are most used?
We could read a version number on over 99% of PHP 4.x sites. Of those, the most common are PHP 4.4.9, on 10,128 sites, PHP 4.3.11, on 808 sites and PHP 4.3.9, on 678 sites.
- Versions detected
- 35
- Sites with a version
- 16,228
Websites Using PHP 4.x
A sample of live PHP 4.x sites from our latest crawl, with the other technologies each one runs.
| Domain | Also runs | Crawl Date |
|---|---|---|
| hanko21hachu.com | September 27, 2026 | |
| hyundaimedical.com | September 27, 2026 | |
| 228.net.tw | September 27, 2026 | |
| securenym.net | September 27, 2026 | |
| culturelang.com | September 26, 2026 | |
| best-hotels-taipei.com | None detected | September 26, 2026 |
| iqrashop.be | September 25, 2026 | |
| ugvlog.fr | September 25, 2026 | |
| sistemacontable.com.co | September 25, 2026 | |
| uspenka.info | September 24, 2026 |
How many websites use PHP 4.x?
We found PHP 4.x on 16,276 websites in our September 2026 crawl, across 85 countries.
Which countries use PHP 4.x the most?
By number of websites, the top countries are South Korea (32%, 5,228 sites), United States (19%, 3,089 sites), Germany (9%, 1,508 sites), Japan (7%, 1,193 sites) and France (6%, 1,014 sites). Together they account for 74% of the 16,276 PHP 4.x sites we track. 26% of the sites are in English, and .com is the most used domain ending, on 42% of them.
Where are PHP 4.x websites hosted?
The networks carrying the most PHP 4.x sites are Korea Telecom (3,670 sites), OVH SAS (1,174 sites) and Sonic.net, LLC (951 sites).
What technologies are used with PHP 4.x?
Across the 16,276 PHP 4.x sites we track, the technologies most often found alongside it are Apache HTTP Server (73%, 11,919 sites), UNIX (36%, 5,881 sites), Nginx (22%, 3,648 sites), jQuery (21%, 3,462 sites) and OpenSSL (16%, 2,527 sites).
Breakdown of PHP 4.x websites
What else they run, plus their language, hosting network, domain extension and country.
| Technology | Sites |
|---|---|
Apache HTTP Server | 11,919 |
UNIX | 5,881 |
Nginx | 3,648 |
jQuery | 3,462 |
OpenSSL | 2,527 |
mod_ssl | 2,043 |
Perl | 1,776 |
mod_perl | 1,774 |
|
mod_fastcgi | 1,324 |
|
mod_auth_pam | 1,062 |
|
mod_dav | 911 |
Google Analytics | 711 |
Debian | 657 |
Google Hosted Libraries | 612 |
CentOS | 593 |
Windows Server | 586 |
Bootstrap | 508 |
|
jQuery CDN | 468 |
Google AdSense | 428 |
YouTube | 420 |
IIS | 404 |
Lightbox | 400 |
OpenResty | 386 |
Prototype | 380 |
jQuery UI | 363 |
| Language | Sites |
|---|---|
| English | 4,219 |
| Korean | 2,990 |
| German | 1,382 |
| French | 926 |
| Japanese | 920 |
| Russian | 737 |
| Latin | 387 |
| Chinese | 323 |
| Italian | 265 |
| Yoruba | 237 |
| Czech | 199 |
| Portuguese | 183 |
| Spanish | 151 |
| Tagalog | 138 |
| Polish | 132 |
| Turkish | 127 |
| Dutch | 116 |
| Afrikaans | 106 |
| Catalan | 98 |
| Vietnamese | 98 |
| Welsh | 85 |
| Swedish | 82 |
| Danish | 75 |
| Norwegian Nynorsk | 67 |
| Esperanto | 63 |
| ASN | Sites |
|---|---|
| Korea Telecom | 3,670 |
| OVH SAS | 1,174 |
| Sonic.net, LLC | 951 |
| EVANZO e-commerce GmbH | 666 |
| SK Broadband Co Ltd | 610 |
| Scaleway SAS | 476 |
| Jsc ru-center | 414 |
| Ace Host, LLC | 380 |
| LG DACOM Corporation | 340 |
| VTX Services SA | 301 |
| SAKURA Internet Inc. | 270 |
| Hurricane Electric LLC | 269 |
| Shinbiro | 257 |
| IDC Frontier Inc. | 206 |
| OPTAGE Inc. | 195 |
| Hetzner Online GmbH | 154 |
| Massive Networks, Inc. | 149 |
| CyberCloud Professionals LLC | 122 |
| LiquidNet US LLC | 122 |
| Virtualtec Solutions AG | 122 |
| IONOS SE | 121 |
| LLC astra Cloud | 120 |
| Cloudflare, Inc. | 112 |
| Retelit Digital Services S.p.A. | 103 |
| Equinix (EMEA) Acquisition Enterprises B.V. | 99 |
| TLD | Sites |
|---|---|
| com | 6,791 |
| kr | 2,474 |
| de | 1,110 |
| net | 1,019 |
| ru | 749 |
| org | 733 |
| jp | 472 |
| ch | 440 |
| fr | 267 |
| cz | 224 |
| at | 187 |
| it | 186 |
| tw | 175 |
| pl | 111 |
| hk | 104 |
| info | 104 |
| eu | 90 |
| biz | 72 |
| uk | 61 |
| ua | 50 |
| hu | 48 |
| ca | 46 |
| no | 44 |
| be | 38 |
| es | 34 |
| Country | Sites |
|---|---|
| 🇰🇷 South Korea | 5,228 |
| 🇺🇸 United States | 3,089 |
| 🇩🇪 Germany | 1,508 |
| 🇯🇵 Japan | 1,193 |
| 🇫🇷 France | 1,014 |
| 🇷🇺 Russia | 860 |
| 🇨🇭 Switzerland | 493 |
| 🇮🇹 Italy | 313 |
| 🇨🇿 Czech Republic | 266 |
| 🇹🇼 Taiwan | 247 |
| 🇦🇹 Austria | 241 |
| Unknown | 213 |
| 🇭🇰 Hong Kong | 208 |
| 🇨🇦 Canada | 182 |
| 🇵🇱 Poland | 134 |
| 🇪🇸 Spain | 111 |
| 🇬🇧 United Kingdom | 110 |
| 🇧🇬 Bulgaria | 79 |
| 🇺🇦 Ukraine | 54 |
| 🇳🇱 Netherlands | 52 |
| 🇨🇳 China | 50 |
| 🇭🇺 Hungary | 49 |
| 🇳🇴 Norway | 49 |
| 🇧🇪 Belgium | 40 |
| 🇩🇰 Denmark | 38 |
FAQ
Answers drawn from our latest crawl of PHP 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.