356 live PHP 5.3.21 sites, ready to export.
That's how many PHP 5.3.21 websites are in VersionDB right now, each with its full tech stack, contact details, and social profiles.
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Every PHP 5.3.21 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 5.3.21 websites on .com domains.
Only sites where an organisation phone number was found.
Websites Using PHP 5.3.21
A sample of live PHP 5.3.21 sites from our latest crawl, with the other technologies each one runs.
| Domain | Also runs | Crawl Date |
|---|---|---|
| smilesoft.co.kr | September 25, 2026 | |
| ftvmilfs.com | September 19, 2026 | |
| tble.kr | September 18, 2026 | |
| masterrussian.com | September 17, 2026 | |
| velnet.ru | September 15, 2026 | |
| ftvgirls.com | September 15, 2026 | |
| ronl.org | September 15, 2026 | |
| heye.kr | September 15, 2026 | |
| profact.es | August 19, 2026 | |
| xn--o39az0ay4j58br5ixtuduc.com | August 19, 2026 |
How many websites use PHP 5.3.21?
We found PHP 5.3.21 on 356 websites in our September 2026 crawl, across 27 countries.
Which countries use PHP 5.3.21 the most?
By number of websites, the top countries are South Korea (47%, 168 sites), Hong Kong (13%, 47 sites), United States (10%, 34 sites), China (4%, 16 sites) and Russia (4%, 15 sites). Together they account for 79% of the 356 PHP 5.3.21 sites we track. 40% of the sites are in Korean, and .com is the most used domain ending, on 43% of them.
Where are PHP 5.3.21 websites hosted?
The networks carrying the most PHP 5.3.21 sites are Korea Telecom (90 sites), SMILESERV (56 sites) and CommuniLink Internet Limited. (39 sites).
What technologies are used with PHP 5.3.21?
Across the 356 PHP 5.3.21 sites we track, the technologies most often found alongside it are Apache HTTP Server (81%, 290 sites), UNIX (62%, 219 sites), OpenSSL (58%, 205 sites), jQuery (53%, 190 sites) and mod_ssl (48%, 170 sites).
Breakdown of PHP 5.3.21 websites
What else they run, plus their language, hosting network, domain extension and country.
| Technology | Sites |
|---|---|
Apache HTTP Server | 290 |
UNIX | 219 |
OpenSSL | 205 |
jQuery | 190 |
mod_ssl | 170 |
|
mod_dav | 123 |
Windows Server | 44 |
IIS | 38 |
Slick | 35 |
bxSlider | 35 |
|
jQuery Migrate | 32 |
jQuery UI | 32 |
Bootstrap | 30 |
Google Analytics | 25 |
YouTube | 24 |
|
jQuery CDN | 24 |
Nginx | 23 |
MySQL | 20 |
WordPress | 19 |
Naver Analytics | 18 |
CentOS | 17 |
Zend | 17 |
Cloudflare | 16 |
Google Hosted Libraries | 15 |
Lightbox | 14 |
| Language | Sites |
|---|---|
| Korean | 141 |
| English | 57 |
| Chinese | 36 |
| Russian | 14 |
| Latin | 12 |
| Czech | 9 |
| Japanese | 7 |
| Spanish | 6 |
| Afrikaans | 5 |
| French | 5 |
| Dutch | 4 |
| Polish | 4 |
| Catalan | 3 |
| Italian | 3 |
| Slovak | 3 |
| Welsh | 2 |
| German | 2 |
| Croatian | 2 |
| Norwegian Nynorsk | 2 |
| Norwegian Bokmål | 2 |
| Slovenian | 2 |
| Tagalog | 2 |
| Xhosa | 2 |
| Bosnian | 1 |
| Esperanto | 1 |
| ASN | Sites |
|---|---|
| Korea Telecom | 90 |
| SMILESERV | 56 |
| CommuniLink Internet Limited. | 39 |
| SK Broadband Co Ltd | 14 |
| TAOS NET LLC | 14 |
| CEZNET s.r.o. | 13 |
| CHINA UNICOM China169 Backbone | 9 |
| Combell NV | 8 |
| Hetzner Online GmbH | 8 |
| Cloudflare, Inc. | 7 |
| AROSSCLOUD INC. | 5 |
| CS LOXINFO Public Company Limited. | 5 |
| Hangzhou Alibaba Advertising Co.,Ltd. | 5 |
| OVH SAS | 5 |
| Brownrice Internet, Inc. | 4 |
| First Server Limited | 4 |
| One New Zealand Group Limited | 4 |
| Tencent Building, Kejizhongyi Avenue | 4 |
| E-Mind Srl | 3 |
| LG DACOM Corporation | 3 |
| MOJOHOST | 3 |
| MTS PJSC | 3 |
| New Media Group Limited | 3 |
| Scaleway SAS | 3 |
| Zet Maximum limited | 3 |
| TLD | Sites |
|---|---|
| com | 154 |
| kr | 102 |
| hk | 17 |
| ru | 14 |
| cz | 10 |
| net | 10 |
| org | 9 |
| jp | 5 |
| pl | 4 |
| eu | 3 |
| be | 2 |
| biz | 2 |
| cn | 2 |
| es | 2 |
| sk | 2 |
| tv | 2 |
| best | 1 |
| de | 1 |
| group | 1 |
| info | 1 |
| it | 1 |
| lv | 1 |
| mo | 1 |
| nl | 1 |
| online | 1 |
| Country | Sites |
|---|---|
| 🇰🇷 South Korea | 168 |
| 🇭🇰 Hong Kong | 47 |
| 🇺🇸 United States | 34 |
| 🇨🇳 China | 16 |
| 🇷🇺 Russia | 15 |
| 🇨🇿 Czech Republic | 14 |
| 🇧🇪 Belgium | 8 |
| 🇫🇷 France | 8 |
| 🇯🇵 Japan | 7 |
| 🇵🇱 Poland | 5 |
| 🇹🇭 Thailand | 5 |
| 🇳🇿 New Zealand | 4 |
| 🇩🇪 Germany | 3 |
| 🇮🇹 Italy | 3 |
| Unknown | 3 |
| 🇪🇸 Spain | 2 |
| 🇸🇰 Slovakia | 2 |
| 🇺🇦 Ukraine | 2 |
| 🇬🇧 United Kingdom | 1 |
| 🇱🇻 Latvia | 1 |
| 🇲🇴 Macau | 1 |
| 🇲🇽 Mexico | 1 |
| 🇳🇱 Netherlands | 1 |
| 🇵🇪 Peru | 1 |
| 🇸🇪 Sweden | 1 |
FAQ
Answers drawn from our latest crawl of PHP 5.3.21 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.