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
201 beun.edu.tr 5.55/10 - - Aug 2018
202 sernanp.gob.pe 5.54/10 - - Aug 2022
203 d-will.jp 5.52/10 - - Sep 2016
204 mireene.com 5.51/10 - - Feb 2019
205 umag.cl 5.50/10 97 181 Jul 2020
206 rid.go.th 5.49/10 3 5 Jan 2019
207 yeongnam.com 5.48/10 60 22 Aug 2022
208 iainkediri.ac.id 5.48/10 - 2 Feb 2020
209 skku.ac.kr 5.45/10 - 2 Nov 2022
210 mcc.it 5.40/10 - - Aug 2018
211 unigal.ac.id 5.40/10 - 1 Mar 2017
212 ufsb.edu.br 5.38/10 45 165 Dec 2020
213 tssdnews.com.tw 5.37/10 2 3 Mar 2020
214 ceskyhokej.cz 5.36/10 250 345 Feb 2020
215 hkcsl.com 5.35/10 960 805 Jan 2016
216 sc.or.kr 5.34/10 3 7 May 2021
217 php.pl 5.32/10 - 1 Jan 2016
218 cicese.mx 5.32/10 - - Jan 2016
219 atena.org.br 5.32/10 - 2 Jan 2019
220 macon.fr 5.32/10 28 86 Feb 2019
221 shirayama.or.jp 5.32/10 5 11 Mar 2024
222 hktramways.com 5.31/10 470 147 Jul 2016
223 lotas.co.jp 5.31/10 - - Jan 2019
224 swsu.ru 5.31/10 - 8 Nov 2022
225 spr.gov.my 5.30/10 13 54 May 2025
226 kyungnam.ac.kr 5.30/10 14 17 Apr 2020
227 icab.cat 5.29/10 3 19 May 2017
228 wzu.edu.tw 5.29/10 34 8 Aug 2018
229 samudera.id 5.29/10 64 63 Aug 2022
230 ehingen.de 5.29/10 1 7 Sep 2020
231 vop.co.kr 5.28/10 - 1 May 2017
232 upg-ploiesti.ro 5.28/10 14 14 Oct 2016
233 dole.go.th 5.28/10 78 1,150 Jun 2025
234 keldysh.ru 5.27/10 4 6 Feb 2018
235 tstu.ru 5.27/10 2 10 Jan 2016
236 ubus.com.tw 5.27/10 10 13 Aug 2018
237 secda.info 5.27/10 - - Aug 2018
238 esenfc.pt 5.25/10 4 27 Aug 2018
239 echonyc.com 5.19/10 56 146 Jan 2019
240 hamanako-gardenpark.jp 5.19/10 8 5 Apr 2019
241 click108.com.tw 5.17/10 - 1 Jan 2016
242 unimma.ac.id 5.17/10 2 5 Jun 2024
243 kls2.com 5.14/10 11 42 Sep 2016
244 forest.go.th 5.10/10 2 17 Jan 2019
245 romanvideo.com 5.08/10 - - Dec 2021
246 kanonji-mitoyo-med.or.jp 5.00/10 - - Jan 2019
247 wonju.go.kr 4.98/10 - - Mar 2023
248 psru.ac.th 4.94/10 - - Jun 2016
249 vterrain.org 4.89/10 - - May 2017
250 tni.ac.th 4.86/10 - - Sep 2026
251 disaster.go.th 4.83/10 - - Jul 2025
252 550909.com 4.79/10 - - Sep 2022
253 cup.com 4.76/10 - - May 2017
254 suncheon.go.kr 4.75/10 - - Oct 2025
255 shu.bg 4.75/10 - - Mar 2023
256 ceneval.edu.mx 4.75/10 690 930 Aug 2018
257 jpgmag.com 4.75/10 - - Aug 2026
258 fc.pl 4.75/10 - - May 2019
259 pos-s.net 4.74/10 - - Aug 2023
260 h-paradise.net 4.73/10 - - Nov 2020
261 belle.ac.jp 4.73/10 - - Jan 2019
262 researchinfosource.com 4.72/10 - - Jan 2019
263 maranatha.it 4.72/10 - - Jan 2016
264 bvs.hn 4.72/10 53 279 May 2020
265 tshome.co.kr 4.72/10 - - Jul 2019
266 ambition.ne.jp 4.71/10 22 10 Jan 2019
267 dracos.co.uk 4.71/10 - - Jun 2020
268 gautier.fr 4.71/10 - - Oct 2020
269 ihappynanum.com 4.69/10 - - Aug 2017
270 xys.org 4.69/10 - - Jan 2016
271 altstu.ru 4.69/10 - 3 Sep 2018
272 hknu.ac.kr 4.69/10 - - Apr 2021
273 sovmusic.ru 4.69/10 - - Jan 2016
274 sigbovik.org 4.69/10 - - Apr 2019
275 gwangyang.go.kr 4.69/10 - - Oct 2025
276 iae-message.fr 4.69/10 - - Aug 2018
277 kpi.ac.th 4.69/10 - - Oct 2022
278 kobac.co.jp 4.69/10 - - Jan 2016
279 hfu.edu.tw 4.69/10 - - Aug 2018
280 oelv.at 4.69/10 - - Jun 2016
281 unjbg.edu.pe 4.69/10 - - May 2017
282 lib.net 4.69/10 - - Aug 2018
283 newsdigest.de 4.69/10 - - Jan 2016
284 telospress.com 4.69/10 - - Apr 2019
285 um.edu.ar 4.69/10 - - Jan 2019
286 iae.org.ua 4.69/10 - - Dec 2020
287 peugeot-dealer.jp 4.69/10 - - Mar 2019
288 saocarlos.sp.gov.br 4.69/10 - - Dec 2020
289 deu.ac.kr 4.69/10 - - Apr 2024
290 jacklist.jp 4.69/10 - - Jan 2019
291 ivia.es 4.69/10 - - Jan 2019
292 ipicyt.edu.mx 4.69/10 - - Jan 2019
293 dive.sc.gov.br 4.69/10 - - Jun 2020
294 up-fc.jp 4.69/10 - - Jan 2016
295 digiket.com 4.68/10 - - Aug 2018
296 rshu.ru 4.66/10 - - Jun 2016
297 iush.jp 4.61/10 - - Jan 2019
298 bigdesire.co.jp 4.61/10 - - Jan 2016
299 exponet.ru 4.59/10 - - Jan 2016
300 etf.rs 4.59/10 - - 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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