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
4201 muw.edu 5.84/10 22,300 9,667 Jan 2016
4202 robot-technology.jp 5.84/10 3 15 Feb 2020
4203 tv-wakayama.co.jp 5.84/10 - 4 Jul 2022
4204 papelesdelpsicologo.es 5.84/10 140 311 Mar 2017
4205 resocia.jp 5.84/10 - - Aug 2018
4206 my-gaestebuch.de 5.83/10 - - Jan 2019
4207 suddenlink.net 5.83/10 - - Apr 2020
4208 gpntb.ru 5.83/10 - 11 Jan 2017
4209 twitonomy.com 5.83/10 210 149 Jan 2016
4210 kuwaitairways.com 5.83/10 23,000 659 Aug 2018
4211 thyssenkrupp-steel.com 5.83/10 2,600 1,460 Oct 2022
4212 dmh.go.th 5.83/10 23 29 Apr 2019
4213 bnp.gob.pe 5.83/10 77 218 Feb 2019
4214 cssd.ac.uk 5.83/10 1,400 686 Dec 2023
4215 svleague.jp 5.83/10 1,700 1,827 Aug 2026
4216 allduniv.ac.in 5.83/10 1,200 1,387 Jul 2019
4217 iiserb.ac.in 5.83/10 490 632 Aug 2018
4218 federalberghi.it 5.83/10 65 53 Nov 2024
4219 imt-nord-europe.fr 5.83/10 49 21 Oct 2022
4220 medizinfo.de 5.83/10 - 58 Jan 2016
4221 bkkbn.go.id 5.83/10 - - Jun 2018
4222 strings-group.jp 5.83/10 13 18 Aug 2023
4223 hipro-job.jp 5.83/10 1 2 Apr 2026
4224 city.etajima.hiroshima.jp 5.83/10 1 4 Apr 2023
4225 ticaretsicil.gov.tr 5.82/10 66 127 Jan 2020
4226 mindprod.com 5.82/10 470 586 Jan 2016
4227 diputaciondeburgos.es 5.82/10 - - Sep 2021
4228 webike.net 5.82/10 180 684 Dec 2017
4229 bajajallianz.com 5.82/10 620 1,095 Aug 2026
4230 narc.fi 5.82/10 - - Aug 2018
4231 landkreis-goeppingen.de 5.82/10 1 8 Dec 2020
4232 apss.tn.it 5.82/10 64 208 Aug 2018
4233 gama.aero 5.82/10 3,500 294 Apr 2019
4234 pstcc.edu 5.82/10 16,800 10,358 Jan 2016
4235 delphi.se 5.82/10 6 53 Feb 2019
4236 ntue.edu.tw 5.82/10 50 31 Aug 2018
4237 cercind.gov.in 5.82/10 180 775 Jan 2026
4238 tce.pr.gov.br 5.82/10 23 44 Dec 2025
4239 gaba.co.jp 5.82/10 1 11 Feb 2017
4240 novia.fi 5.82/10 86 142 Dec 2020
4241 loyalty.co.jp 5.82/10 3 2 Jul 2024
4242 yokosuka-moa.jp 5.82/10 90 28 Mar 2022
4243 personyze.com 5.81/10 50 57 Sep 2022
4244 wwf.id 5.81/10 510 454 Sep 2025
4245 cutter.com 5.81/10 300 596 Jan 2023
4246 fatbraintoys.com 5.81/10 59,200 26,771 Aug 2026
4247 mataro.cat 5.81/10 190 120 Jan 2016
4248 iku.edu.tr 5.81/10 810 65 Jan 2021
4249 tdtu.edu.vn 5.81/10 120 40 Mar 2019
4250 kneu.edu.ua 5.81/10 320 40 Dec 2019
4251 adiconsum.it 5.81/10 6 20 Sep 2026
4252 swu.bg 5.81/10 11 18 Apr 2019
4253 diak.fi 5.81/10 54 32 Aug 2018
4254 agui.lg.jp 5.81/10 - - Aug 2022
4255 nln.gov.ng 5.81/10 57 72 Apr 2023
4256 jmsc.co.jp 5.81/10 4 9 Aug 2025
4257 purwakartakab.go.id 5.81/10 12 2 Feb 2020
4258 psg.com 5.80/10 2 18 Jan 2019
4259 vnukovo.ru 5.80/10 1,500 420 May 2026
4260 prodemge.gov.br 5.80/10 360 25 Mar 2021
4261 ephhk.com 5.80/10 - - Aug 2018
4262 eq-3.de 5.80/10 20 13 Apr 2016
4263 tanzaniaparks.go.tz 5.80/10 3,300 818 Jun 2021
4264 prosperidadsocial.gov.co 5.80/10 470 1,339 Nov 2022
4265 npust.edu.tw 5.80/10 - 4 Aug 2018
4266 technischeunie.nl 5.80/10 10 39 Sep 2022
4267 robot.co.jp 5.80/10 2 4 Aug 2024
4268 agrinet.tn 5.80/10 - - Mar 2024
4269 feedsfloor.com 5.80/10 93 456 May 2017
4270 comune.livorno.it 5.80/10 1,200 451 Aug 2018
4271 cobaev.edu.mx 5.80/10 54 45 Jul 2026
4272 zp.edu.ua 5.80/10 9 24 May 2020
4273 taaladvies.net 5.79/10 1,600 309 Jun 2025
4274 cinema.com.hk 5.79/10 3,600 1,078 May 2019
4275 nsfsport.com 5.79/10 9,600 4,925 Jan 2019
4276 findernet.com 5.79/10 3,700 465 Apr 2020
4277 quebeccinema.ca 5.79/10 12 75 Jan 2019
4278 cinfa.com 5.79/10 50 227 Jan 2019
4279 gucca.dk 5.79/10 260 1,847 Jul 2018
4280 quito.gob.ec 5.79/10 270 366 Nov 2019
4281 mpl.org 5.79/10 35,800 8,855 Sep 2017
4282 skm.com.tw 5.79/10 160 214 Oct 2022
4283 tpchd.org 5.79/10 13,700 6,550 Oct 2025
4284 dwutygodnik.com 5.79/10 18 129 Jan 2019
4285 nafdac.gov.ng 5.79/10 960 1,285 Jun 2016
4286 nhmus.hu 5.79/10 35 29 Jul 2019
4287 palacehoteltokyo.com 5.79/10 71 54 Aug 2018
4288 openum.ca 5.79/10 - - Apr 2024
4289 msgsu.edu.tr 5.79/10 45 109 Mar 2022
4290 news.ed.jp 5.79/10 - - Apr 2020
4291 unicartagena.edu.co 5.79/10 25 17 Jan 2016
4292 naruto-u.ac.jp 5.79/10 10 32 Dec 2020
4293 baraodemaua.br 5.79/10 11 35 Jun 2016
4294 tomorrowsworldtoday.com 5.78/10 4,200 4,481 May 2025
4295 evilhat.com 5.78/10 8,700 999 Jul 2022
4296 riverpoolsandspas.com 5.78/10 26,200 11,576 Aug 2026
4297 firs.gov.ng 5.78/10 1,700 2,851 Jun 2020
4298 thatsmags.com 5.78/10 - 1 Feb 2017
4299 zorgkrant.nl 5.78/10 5 16 Jan 2019
4300 kepriprov.go.id 5.78/10 160 34 Jan 2016

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).

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