Websites Powered by OpenSSL

426,192 websites tracked using OpenSSL (Web server extensions) · openssl.org

OpenSSL is a web-server extension or module. Its official site is openssl.org. PoweredBy tracks the websites that use OpenSSL across the public web; the tracked counts, adoption trend, and site list on this page are updated from our ongoing crawl of the web server extensions ecosystem.

Usage trend

Domains observed using OpenSSL in each month's HTTP Archive crawl, Apr 2018 to Oct 2026 · peak 187,590 in Nov 2022. The tracked total above also counts sites not re-crawled recently.

Core Web Vitals

LCP 1.7 s INP 75 ms CLS 0 TTFB 700 ms

Median site among 133,855 OpenSSL sites with Chrome UX data, p75 values, Sep 2026.

Top countries

United States 28,919
Japan 22,279
India 16,626
Brazil 12,544
Germany 11,646
Italy 11,443
South Korea 11,314
United Kingdom 11,177

Sites using OpenSSL by audience country, Chrome UX Report.

Usage by industry

IndustryShareWebsites
Government 1.90% 178
Education 1.00% 628
Beauty and wellness 0.97% 300
Arts and entertainment 0.60% 308
News and media 0.42% 206
Sports and fitness 0.39% 84
Software and apps 0.38% 615
Automotive 0.38% 319
Finance and insurance 0.36% 74
Travel and hospitality 0.35% 297
Healthcare 0.29% 366
Blogs and publishing 0.29% 83

Share of each industry's websites with a detected stack that use OpenSSL; industries come from what sites declare in their own structured data.

Top sites by authority

9+ 9% · 34 of 372 sites
8+ 10% · 733 of 7,677 sites
7+ 5% · 2,357 of 45,712 sites
6+ 4% · 3,971 of 110,136 sites
5+ 3% · 6,181 of 246,751 sites

The share of the web's most authoritative domains, by Open Page Rank tier, seen running OpenSSL in recent crawls. Only 372 domains worldwide score 9 or higher.

Websites using OpenSSL

#DomainOpen Page RankOPREst. monthly visits (US)Visits (US)KeywordsFirst seen
4301 electrochem.jp 5.78/10 2 18 Sep 2026
4302 doc-net.or.jp 5.78/10 - - Dec 2020
4303 wicked-movie.jp 5.78/10 1 13 Mar 2025
4304 sbgg.org.br 5.78/10 96 77 Feb 2020
4305 blg.co.jp 5.78/10 3 3 Nov 2020
4306 ispras.ru 5.77/10 12 12 Nov 2022
4307 asmel.eu 5.77/10 27 12 Jan 2019
4308 worlddatasystem.org 5.77/10 400 69 Nov 2022
4309 inovalon.com 5.77/10 11,500 3,058 Apr 2022
4310 teletalk.com.bd 5.77/10 1,100 1,659 Jun 2020
4311 avocats.be 5.77/10 9 46 Jan 2016
4312 cascades.com 5.77/10 2,900 734 Dec 2024
4313 svps.sk 5.77/10 - - May 2024
4314 informea.org 5.77/10 40 19 Oct 2022
4315 malaysianbar.org.my 5.77/10 360 1,067 Sep 2018
4316 ligaportugal.pt 5.77/10 3,100 1,375 Feb 2024
4317 washburnlaw.edu 5.77/10 2,400 631 Jun 2020
4318 ug.edu.ec 5.77/10 210 279 Mar 2022
4319 qbhouse.co.jp 5.77/10 8 32 Jan 2016
4320 rakuwa.or.jp 5.77/10 1 2 Feb 2020
4321 taromuseum.jp 5.77/10 9 18 Apr 2020
4322 unis.edu.br 5.77/10 - - Aug 2018
4323 repack.com 5.76/10 83 30 Dec 2020
4324 isu.ru 5.76/10 250 28 Feb 2024
4325 mountainduck.io 5.76/10 6,200 12,917 May 2017
4326 a1.si 5.76/10 49 191 Feb 2023
4327 etam.com 5.76/10 1,100 787 Jan 2021
4328 movilidadbogota.gov.co 5.76/10 2,000 2,095 Feb 2019
4329 play0ad.com 5.76/10 2,800 2,160 May 2017
4330 waca.associates 5.76/10 - - Oct 2021
4331 udc.gal 5.76/10 71 63 Jan 2021
4332 playtruejapan.org 5.76/10 4 22 Dec 2019
4333 sistema.puglia.it 5.76/10 28 39 Jul 2025
4334 ballard.com 5.76/10 1,200 1,114 Nov 2024
4335 balikesir.edu.tr 5.76/10 490 47 Jan 2016
4336 trf5.jus.br 5.76/10 260 423 Mar 2017
4337 vugtk.cz 5.76/10 - 1 Jan 2019
4338 sicom.gov.co 5.76/10 92 56 Nov 2020
4339 kobe-c.ac.jp 5.76/10 1 4 Sep 2019
4340 my.na 5.76/10 - 2 Jun 2023
4341 parlimen.gov.my 5.75/10 610 377 Oct 2022
4342 fnopi.it 5.75/10 56 116 Dec 2019
4343 eusal.es 5.75/10 11 33 Feb 2020
4344 umayor.cl 5.75/10 430 250 Sep 2020
4345 jan.ne.jp 5.75/10 - - Jan 2017
4346 natal.rn.gov.br 5.75/10 1,700 420 Nov 2023
4347 kyoto-np.jp 5.75/10 - - Feb 2026
4348 fujita.co.jp 5.75/10 - 3 Apr 2022
4349 hiragana.jp 5.75/10 160 2 Jan 2016
4350 parking.com 5.74/10 137,500 36,451 Feb 2023
4351 semex.com 5.74/10 680 246 Aug 2020
4352 gallo.com 5.74/10 17,800 10,043 Sep 2021
4353 amnibus.com 5.74/10 36 37 Aug 2018
4354 sirim.my 5.74/10 48 138 Jan 2016
4355 prc.gov.ph 5.74/10 17,200 11,350 May 2018
4356 bt1.lv 5.74/10 15 82 Apr 2021
4357 tut.ac.za 5.74/10 7,200 804 Apr 2020
4358 kielce.eu 5.74/10 51 168 May 2020
4359 alcobendas.org 5.74/10 140 381 Dec 2020
4360 tnua.edu.tw 5.74/10 - - May 2019
4361 smmlab.jp 5.74/10 - 3 Apr 2021
4362 eavsrl.it 5.74/10 330 695 Jul 2020
4363 nrru.ac.th 5.74/10 1 43 Aug 2018
4364 salvamentomaritimo.es 5.74/10 21 36 Feb 2019
4365 fujikyu-travel.co.jp 5.74/10 8 17 Jan 2022
4366 town.kamiichi.toyama.jp 5.74/10 - 3 Jul 2020
4367 webreus.nl 5.73/10 - - May 2017
4368 aegon.co.uk 5.73/10 730 860 Jun 2024
4369 awai.com 5.73/10 6,100 1,827 Jan 2019
4370 breaknews.com 5.73/10 110 476 Jan 2020
4371 ismeamercati.it 5.73/10 2 36 Jun 2021
4372 worc.ac.uk 5.73/10 410 264 May 2022
4373 ru-an.info 5.73/10 85 2 Aug 2025
4374 um5.ac.ma 5.73/10 110 201 Aug 2018
4375 csirhrdg.res.in 5.73/10 590 1,470 Oct 2022
4376 uan.edu.co 5.73/10 120 328 Aug 2020
4377 iitism.ac.in 5.73/10 480 988 Feb 2017
4378 unipamplona.edu.co 5.73/10 300 846 Aug 2018
4379 aidimme.es 5.73/10 3 12 Jun 2023
4380 gabal-verlag.de 5.73/10 - 20 Jan 2019
4381 cdeacf.ca 5.73/10 270 13 Mar 2022
4382 comune.ra.it 5.73/10 1 28 Jul 2020
4383 oswiecim.pl 5.73/10 17 18 Sep 2022
4384 fisco.co.jp 5.73/10 27 51 Jun 2022
4385 usfx.bo 5.73/10 120 235 Dec 2016
4386 iecc.com 5.72/10 - 2 Jan 2016
4387 vortex.com 5.72/10 57 26 Jan 2019
4388 kentcountymi.gov 5.72/10 131,900 29,182 Nov 2018
4389 official-store.jp 5.72/10 4 15 Oct 2019
4390 infohio.org 5.72/10 590 285 May 2017
4391 peretarres.org 5.72/10 96 225 Jul 2026
4392 mtfujiropeway.jp 5.72/10 900 107 Mar 2019
4393 uinsi.ac.id 5.72/10 15 14 Jan 2022
4394 ru.ac.bd 5.71/10 3,400 593 Feb 2020
4395 hidalgo.gob.mx 5.71/10 200 240 May 2019
4396 vnit.ac.in 5.71/10 360 337 Nov 2018
4397 jerseyeveningpost.com 5.71/10 3,500 7,148 Mar 2022
4398 green-wood.com 5.71/10 10,900 3,002 Dec 2024
4399 ufps.edu.co 5.71/10 - - Aug 2018
4400 indeci.gob.pe 5.71/10 - - Aug 2022

Open Page Rank is the domain's authority score (0 to 10, from the open web link graph); the list is ordered by it and covers sites seen in recent crawls. Visits and keywords are estimated US organic search figures.

Download top 10,000 as CSV (zip) →

Columns: domain, Open Page Rank, first seen, last seen, industry (from the site's own structured data, blank when none).

Compare OpenSSL

Related Web server extensions

Look up any website for free

No paywall, no lead-gen, no account. Paste a domain and see what powers it.

No account neededHistory since 2018