Websites using OpenSSL 3.0.21
OpenSSL is a software library for applications that secure communications over computer networks against eavesdropping or need to identify the party at the other end.
541 live OpenSSL 3.0.21 sites, ready to export.
That's how many OpenSSL 3.0.21 websites are in VersionDB right now, each with its full tech stack, contact details, and social profiles.
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Every OpenSSL 3.0.21 website we detected in Slovakia.
Only sites where a business, company-hosted email was found.
Sites with at least one business LinkedIn profile.
Start with the highest-traffic end of the dataset.
Limit results to OpenSSL 3.0.21 websites on .com domains.
Websites Using OpenSSL 3.0.21
A sample of live OpenSSL 3.0.21 sites from our latest crawl, with the other technologies each one runs.
| Domain | Also runs | Crawl Date |
|---|---|---|
| imotors.ro | September 25, 2026 | |
| kupelenimnica.sk | September 25, 2026 | |
| entel-ofertas.cl | September 24, 2026 | |
| radiotv.cz | September 24, 2026 | |
| g-cipher.net | September 24, 2026 | |
| bamca.org | September 22, 2026 | |
| megaweb.it | September 21, 2026 | |
| sysadmin.wiki | September 20, 2026 | |
| snake.de | September 20, 2026 | |
| spaz.org | September 20, 2026 |
How many websites use OpenSSL 3.0.21?
We found OpenSSL 3.0.21 on 541 websites in our September 2026 crawl, across 24 countries.
Which countries use OpenSSL 3.0.21 the most?
By number of websites, the top countries are Slovakia (44%, 236 sites), Germany (17%, 90 sites), Czech Republic (14%, 75 sites), United States (9%, 49 sites) and Russia (3%, 14 sites). Together they account for 86% of the 541 OpenSSL 3.0.21 sites we track. 34% of the sites are in Slovak, and .sk is the most used domain ending, on 40% of them.
Where are OpenSSL 3.0.21 websites hosted?
The networks carrying the most OpenSSL 3.0.21 sites are SWAN, a.s. (237 sites), euNetworks GmbH (47 sites) and PODA a.s. (44 sites).
What technologies are used with OpenSSL 3.0.21?
Across the 541 OpenSSL 3.0.21 sites we track, the technologies most often found alongside it are Apache HTTP Server (100%, 541 sites), PHP (84%, 454 sites), FreeBSD (76%, 411 sites), jQuery (64%, 348 sites) and MySQL (48%, 260 sites).
Breakdown of OpenSSL 3.0.21 websites
What else they run, plus their language, hosting network, domain extension and country.
| Technology | Sites |
|---|---|
Apache HTTP Server | 541 |
PHP | 454 |
FreeBSD | 411 |
jQuery | 348 |
MySQL | 260 |
WordPress | 257 |
|
jQuery Migrate | 222 |
Bootstrap | 94 |
Google Analytics | 92 |
Contact Form 7 | 74 |
Yoast SEO | 74 |
| HSTS | 71 |
UNIX | 69 |
Lightbox | 59 |
|
WordPress Block Editor | 55 |
CentOS | 54 |
reCAPTCHA | 53 |
Elementor | 47 |
| imagesLoaded | 40 |
Slider Revolution | 37 |
Font Awesome | 33 |
jQuery UI | 33 |
wpBakery | 32 |
Google Tag Manager | 31 |
Swiper | 29 |
| Language | Sites |
|---|---|
| Slovak | 184 |
| English | 97 |
| Czech | 80 |
| German | 56 |
| Russian | 13 |
| French | 9 |
| Latin | 8 |
| Dutch | 7 |
| Italian | 6 |
| Japanese | 5 |
| Romanian | 5 |
| Hungarian | 4 |
| Norwegian Nynorsk | 4 |
| Polish | 4 |
| Spanish | 4 |
| Shona | 3 |
| Swahili | 3 |
| Tagalog | 3 |
| Ukrainian | 3 |
| Afrikaans | 2 |
| Catalan | 2 |
| Basque | 2 |
| Malay | 2 |
| Swedish | 2 |
| Xhosa | 2 |
| ASN | Sites |
|---|---|
| SWAN, a.s. | 237 |
| euNetworks GmbH | 47 |
| PODA a.s. | 44 |
| Hetzner Online GmbH | 27 |
| Amazon.com, Inc. | 25 |
| MasterDC s.r.o. | 20 |
| Vodafone Czech Republic a.s. | 9 |
| LLC Digital Network | 6 |
| Tilaa B.V. | 6 |
| Videotron Ltee | 6 |
| Allo Communications LLC | 5 |
| NTT DOCOMO BUSINESS,Inc. | 5 |
| Trusted Network GmbH | 5 |
| Free SAS | 4 |
| KPN B.V. | 4 |
| Netsville, Inc. | 4 |
| OOO WestCall Ltd. | 4 |
| Two P | 4 |
| Comcast Cable Communications, LLC | 3 |
| Digi Romania S.A. | 3 |
| PrJSC VF UKRAINE | 3 |
| Rackforest Zrt. | 3 |
| Redge Technologies sp. z o.o. | 3 |
| TekSavvy Solutions, Inc. | 3 |
| Apollo Duck Media Ltd | 2 |
| TLD | Sites |
|---|---|
| sk | 219 |
| com | 72 |
| cz | 63 |
| de | 62 |
| net | 21 |
| org | 19 |
| ru | 13 |
| eu | 12 |
| nl | 11 |
| jp | 6 |
| ua | 5 |
| ca | 4 |
| fr | 3 |
| hu | 3 |
| io | 3 |
| ro | 3 |
| it | 2 |
| news | 2 |
| pl | 2 |
| biz | 1 |
| bz | 1 |
| ch | 1 |
| cl | 1 |
| fi | 1 |
| fm | 1 |
| Country | Sites |
|---|---|
| 🇸🇰 Slovakia | 236 |
| 🇩🇪 Germany | 90 |
| 🇨🇿 Czech Republic | 75 |
| 🇺🇸 United States | 49 |
| 🇷🇺 Russia | 14 |
| 🇨🇦 Canada | 13 |
| 🇳🇱 Netherlands | 13 |
| 🇯🇵 Japan | 11 |
| 🇺🇦 Ukraine | 9 |
| 🇫🇷 France | 6 |
| 🇬🇧 United Kingdom | 4 |
| ðŸ‡ðŸ‡º Hungary | 3 |
| 🇵🇱 Poland | 3 |
| 🇷🇴 Romania | 3 |
| 🇮🇹 Italy | 2 |
| 🇿🇦 South Africa | 2 |
| 🇦🇺 Australia | 1 |
| 🇨🇠Switzerland | 1 |
| 🇨🇱 Chile | 1 |
| 🇫🇮 Finland | 1 |
| ðŸ‡ðŸ‡° Hong Kong | 1 |
| 🇮🇸 Iceland | 1 |
| 🇲🇽 Mexico | 1 |
| 🇸🇮 Slovenia | 1 |
FAQ
Answers drawn from our latest crawl of OpenSSL 3.0.21 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.