Websites Powered by mod_ssl

32,551 websites tracked using mod_ssl (Web server extensions) · modssl.org

mod_ssl is a web-server extension or module. Its official site is modssl.org. PoweredBy tracks the websites that use mod_ssl 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 mod_ssl in each month's HTTP Archive crawl, Apr 2018 to Oct 2026 · peak 24,831 in May 2019. The tracked total above also counts sites not re-crawled recently.

Core Web Vitals

LCP 1.5 s INP 50 ms CLS 0 TTFB 600 ms

Median site among 9,221 mod_ssl sites with Chrome UX data, p75 values, Sep 2026.

Top countries

Japan 2,538
United States 2,061
South Korea 1,782
Germany 1,065
India 1,063
France 986
United Kingdom 912
Spain 899

Sites using mod_ssl by audience country, Chrome UX Report.

Usage by industry

IndustryShareWebsites
Travel and hospitality 0.03% 28
Government 0.03% 3
Education 0.03% 18
Arts and entertainment 0.02% 8
News and media 0.01% 6
Non-profit and religious <0.01% 1
Automotive <0.01% 5
Professional services <0.01% 3
Real estate <0.01% 4
Retail <0.01% 17
Sports and fitness <0.01% 1
Blogs and publishing <0.01% 1

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

Top sites by authority

9+ <1% · 1 of 372 sites
8+ <1% · 38 of 7,677 sites
7+ <1% · 113 of 45,712 sites
6+ <1% · 176 of 110,136 sites
5+ <1% · 246 of 246,751 sites

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

Websites using mod_ssl

#DomainOpen Page RankOPREst. monthly visits (US)Visits (US)KeywordsFirst seen
301 naughtyallie.com 4.59/10 - - Feb 2026
302 labeille.jp 4.57/10 - - Jun 2017
303 afsc.ca 4.56/10 620 245 Aug 2026
304 woodwind.org 4.55/10 - - May 2017
305 plm.org.hk 4.49/10 - - Sep 2023
306 silla.ac.kr 4.49/10 - - Sep 2018
307 lsb.gov.la 4.47/10 - - Dec 2020
308 iik.ac.id 4.47/10 - - Aug 2022
309 bibmet.ro 4.40/10 - - Aug 2022
310 tsys.jp 4.40/10 - - Aug 2016
311 marzadro.it 4.39/10 - - Apr 2025
312 avabel.jp 4.37/10 1 1 Aug 2018
313 osdd.net 4.36/10 - - Aug 2018
314 barrukab.go.id 4.33/10 5 11 Jun 2026
315 tarakanov.net 4.30/10 - - Aug 2018
316 cidim.it 4.27/10 - 14 Jan 2019
317 admirk.ru 4.26/10 - - Apr 2019
318 chrudim.cz 4.24/10 - - Feb 2019
319 limeira.sp.gov.br 4.21/10 - - Jul 2020
320 isk-shakyo.or.jp 4.19/10 - - Jul 2019
321 voenmeh.ru 4.18/10 - - Aug 2018
322 m.to 4.18/10 - - Sep 2020
323 origamikaikan.co.jp 4.18/10 - - Jan 2019
324 jikos.cz 4.16/10 - - May 2017
325 whitetv.se 4.15/10 - - Jan 2016
326 uacam.mx 4.15/10 - - Mar 2021
327 pcru.ac.th 4.15/10 - - Aug 2018
328 maaltalk.com 4.14/10 - - May 2017
329 extranet-e.net 4.14/10 - - Jun 2017
330 bookstart.org 4.14/10 - - Jul 2025
331 hummingbirds.net 4.13/10 - - Jan 2016
332 imbp.ru 4.13/10 - - Jan 2019
333 geog.or.jp 4.13/10 - - May 2021
334 stu.edu.vn 4.12/10 - - Jun 2025
335 ikebukuro-will.jp 4.12/10 - - Jan 2019
336 ntf.ne.jp 4.12/10 - - Sep 2022
337 poetryclub.com.ua 4.10/10 - - Jan 2016
338 boc.lk 4.09/10 3,600 3,350 Jul 2020
339 stylekorean.com 4.07/10 - - Jun 2016
340 laprospective.fr 4.04/10 - - Oct 2019
341 bus.com.ua 4.03/10 2 27 Aug 2018
342 russian-bazaar.com 4.03/10 - - May 2022
343 wao.or.jp 4.03/10 - - Jan 2019
344 fajnrockmusic.cz 4.02/10 - - Jan 2019
345 botik.ru 4.02/10 110 182 Jan 2019
346 kptm.edu.my 4.02/10 - - Jan 2019
347 citroen-dealer.jp 4.02/10 - - Mar 2019
348 econeteditora.com.br 4.01/10 - - Jun 2016
349 tcw.ac.jp 4.00/10 - - Jan 2019
350 news-digest.co.uk 3.99/10 - - Jan 2016
351 perikansha.co.jp 3.99/10 - - Jan 2019
352 pain.org.ge 3.99/10 - - Jan 2019
353 kda.or.kr 3.98/10 - - Sep 2020
354 kjdaily.com 3.97/10 - - May 2017
355 lsl.lviv.ua 3.97/10 - - Nov 2022
356 netc.edu 3.97/10 - - Jan 2019
357 jikeigroup.net 3.95/10 - - Sep 2024
358 amt.ct.it 3.95/10 - - Aug 2018
359 uncp.ac.id 3.94/10 - - Sep 2021
360 osstem.com 3.92/10 - - Aug 2022
361 ippi.org.ua 3.92/10 - - Jan 2019
362 kez.cz 3.92/10 - - Jul 2019
363 tapselkab.go.id 3.91/10 - - Aug 2024
364 ukn.edu.tw 3.90/10 - - Jan 2019
365 editdiazdesantos.com 3.90/10 - - Jan 2019
366 hiraodai.jp 3.90/10 - - Jan 2019
367 mogera.jp 3.90/10 - - May 2017
368 usvariety.org 3.89/10 - - Jan 2019
369 badatime.com 3.88/10 - - Jun 2018
370 919919.jp 3.88/10 - - Jun 2016
371 secna.ru 3.88/10 - - Feb 2019
372 internet.ne.jp 3.88/10 - - Jul 2020
373 widyamataram.ac.id 3.88/10 - - Jul 2022
374 transvision.co.id 3.86/10 - - Jul 2019
375 schornsteinfegernetzwerk.de 3.86/10 - - Jan 2019
376 crayonphysics.com 3.86/10 - - Apr 2020
377 xware.co.jp 3.86/10 - - Jul 2019
378 rapa.or.kr 3.84/10 - - Sep 2022
379 pskovedu.ru 3.83/10 - - Jan 2019
380 eduhope.net 3.83/10 - - Jun 2016
381 idhospital.com 3.82/10 - - Jan 2016
382 hksmsa.org.hk 3.82/10 - - Oct 2017
383 arenamedia.net 3.81/10 - - Aug 2018
384 rkka.ru 3.80/10 - - Jan 2016
385 kidsites.com 3.80/10 - - Jan 2016
386 sportpins.com 3.79/10 - - Aug 2022
387 dieprinzen.de 3.79/10 - - Apr 2019
388 maruyoshi-center.co.jp 3.79/10 - - Jan 2019
389 bergkvarabuss.se 3.79/10 - - May 2020
390 workcircle.com 3.79/10 - - Jun 2016
391 ems-network.org 3.78/10 - - Dec 2022
392 tomakomai.or.jp 3.77/10 - - Apr 2019
393 gestionsecretariasdeeducacion.gov.co 3.76/10 - - Jan 2016
394 kure-city.jp 3.76/10 - - Apr 2020
395 bostonapartments.com 3.75/10 6,500 3,240 Jan 2016
396 bunkacenter.or.jp 3.74/10 - - Jan 2019
397 pangloss.com 3.73/10 - - Jan 2016
398 cmes.cz 3.72/10 - - May 2019
399 bookreader.or.kr 3.72/10 - - Mar 2025
400 jeiotech.com 3.71/10 - - Aug 2018

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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