Websites Powered by OpenSSL

427,343 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 Jun 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 139,138 OpenSSL sites with Chrome UX data, p75 values, Jun 2026.

Top countries

United States 33,851
Japan 26,387
India 19,124
Brazil 14,179
Germany 13,830
Italy 13,124
South Korea 12,915
United Kingdom 12,773

Sites using OpenSSL by audience country, Chrome UX Report.

Top sites by authority

9+ 10% · 37 of 372 sites
8+ 10% · 764 of 7,677 sites
7+ 5% · 2,512 of 45,712 sites
6+ 4% · 4,297 of 110,136 sites
5+ 3% · 6,759 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
1901 miur.it 7.26/10 - - Dec 2020
1902 ac-nantes.fr 7.26/10 62 265 Jan 2019
1903 monoprix.fr 7.26/10 1,000 3,025 Aug 2018
1904 univ-paris5.fr 7.26/10 - - Jan 2019
1905 city.nagaoka.niigata.jp 7.26/10 74 23 Feb 2019
1906 ytn.co.kr 7.25/10 230 139 Aug 2018
1907 bib-bvb.de 7.25/10 2 9 Aug 2018
1908 brpd.gov.pl 7.25/10 24 27 Mar 2022
1909 penndot.gov 7.25/10 - - Jun 2021
1910 tarnow.pl 7.25/10 15 16 Aug 2018
1911 kanagawa-u.ac.jp 7.25/10 75 52 Aug 2018
1912 exportersindia.com 7.24/10 3,100 22,285 Mar 2019
1913 timify.com 7.24/10 620 1,239 Jul 2022
1914 nfc-forum.org 7.24/10 9,400 711 Dec 2023
1915 airnav.com 7.24/10 924,600 60,981 Apr 2018
1916 umfrageonline.com 7.24/10 3 29 Dec 2021
1917 lot.com 7.24/10 124,100 17,181 Aug 2025
1918 unsa.ba 7.24/10 31 35 Jan 2019
1919 utcluj.ro 7.24/10 290 127 Aug 2018
1920 centrale-canine.fr 7.23/10 320 650 Apr 2026
1921 condusef.gob.mx 7.23/10 3,100 6,804 Jul 2018
1922 dhbw-stuttgart.de 7.23/10 170 139 Apr 2018
1923 una.ac.cr 7.23/10 1,500 411 Aug 2018
1924 sytes.net 7.22/10 - - Aug 2018
1925 interlink.or.jp 7.22/10 10 3 Jan 2020
1926 irri.org 7.22/10 24,000 802 Feb 2019
1927 uthsc.edu 7.22/10 80,500 49,221 Apr 2020
1928 latech.edu 7.22/10 56,800 24,862 Apr 2018
1929 ship.edu 7.22/10 21,300 8,986 Aug 2018
1930 korg.com 7.21/10 107,200 17,517 Jul 2024
1931 yanmar.com 7.21/10 27,100 8,550 May 2022
1932 gba.gov.ar 7.21/10 - - Apr 2018
1933 aidsmap.com 7.21/10 39,600 10,516 Aug 2019
1934 gyosei.or.jp 7.21/10 1 1 Jul 2024
1935 unisa.ac.za 7.21/10 13,400 9,927 Aug 2019
1936 p-world.co.jp 7.21/10 20 43 Mar 2023
1937 paris-sorbonne.fr 7.21/10 - - Aug 2018
1938 aytojaen.es 7.21/10 110 203 Nov 2020
1939 educaplay.com 7.20/10 10,800 14,887 Apr 2018
1940 edgehill.ac.uk 7.20/10 4,900 3,460 Apr 2019
1941 mortonarb.org 7.20/10 768,900 80,589 Jul 2021
1942 amsa.gov.au 7.20/10 920 1,554 Apr 2019
1943 hospitalsafetygrade.org 7.20/10 64,400 16,448 May 2026
1944 cman.jp 7.20/10 52 66 Apr 2018
1945 unist.hr 7.20/10 110 33 Jul 2019
1946 slaskie.pl 7.20/10 68 37 Nov 2022
1947 tanita.co.jp 7.20/10 66 57 Apr 2024
1948 agrinews.co.jp 7.20/10 120 33 Jun 2021
1949 emtg.jp 7.20/10 - - Aug 2018
1950 nsc.ru 7.19/10 3 35 Apr 2018
1951 semmelweis.hu 7.19/10 1,600 1,751 Aug 2018
1952 leapfroggroup.org 7.19/10 15,400 3,758 Nov 2022
1953 herault.fr 7.19/10 5 28 Nov 2023
1954 uvt.ro 7.19/10 170 95 Jun 2020
1955 tokyo-med.ac.jp 7.19/10 86 59 Aug 2018
1956 rpmfusion.org 7.18/10 1,200 154 Aug 2022
1957 mincyt.gob.ar 7.18/10 - - Sep 2020
1958 techlib.cz 7.18/10 44 99 Apr 2018
1959 iarpa.gov 7.18/10 5,200 866 Aug 2018
1960 ait.ac.th 7.18/10 730 481 Aug 2018
1961 commerce.gov.in 7.18/10 5,400 5,231 May 2025
1962 intelligence.gov 7.18/10 56,800 4,586 Jan 2023
1963 tjdft.jus.br 7.18/10 1,300 2,626 Aug 2018
1964 senai.br 7.18/10 - - Aug 2018
1965 medicalonline.jp 7.18/10 1 21 Aug 2022
1966 vodafone.nl 7.18/10 280 349 Jul 2021
1967 nilim.go.jp 7.18/10 8 37 Aug 2018
1968 nms.ac.jp 7.18/10 45 93 Apr 2018
1969 tsu.ru 7.17/10 2 8 Aug 2018
1970 icai.org 7.17/10 2,000 2,998 Aug 2018
1971 sevilla.org 7.17/10 1,300 2,701 May 2018
1972 bogota.gov.co 7.17/10 8,100 15,807 May 2021
1973 saarbruecken.de 7.17/10 800 268 Jun 2021
1974 humanitas.it 7.17/10 1,800 1,742 Oct 2023
1975 uaw.org 7.17/10 38,700 8,645 Feb 2020
1976 ac-creteil.fr 7.17/10 54 80 Jan 2019
1977 teradek.com 7.16/10 4,000 1,559 Nov 2022
1978 textfiles.com 7.16/10 110 25 Apr 2018
1979 paginegialle.it 7.16/10 1,100 6,983 Mar 2022
1980 rs.ba 7.16/10 - - Jan 2019
1981 rose-hulman.edu 7.16/10 29,800 16,020 Oct 2022
1982 northcarolina.edu 7.16/10 112,100 7,280 Sep 2018
1983 kku.ac.th 7.16/10 290 111 Aug 2018
1984 baliprov.go.id 7.16/10 18 32 Jun 2020
1985 touringclub.it 7.16/10 240 1,148 Mar 2020
1986 nipr.ac.jp 7.16/10 110 157 Apr 2020
1987 tut.ac.jp 7.16/10 400 92 Aug 2022
1988 unifei.edu.br 7.16/10 19 8 Aug 2018
1989 lutron.com 7.15/10 40,500 30,850 Dec 2018
1990 dpiit.gov.in 7.15/10 220 208 Aug 2022
1991 china-airlines.com 7.15/10 81,800 58,634 Oct 2021
1992 greatplacetowork.ca 7.15/10 240 720 Jun 2021
1993 ln.edu.hk 7.15/10 1,900 1,957 Oct 2018
1994 fendi.com 7.15/10 77,100 31,264 Feb 2019
1995 url.tw 7.15/10 - - Feb 2020
1996 rncan.gc.ca 7.15/10 - - Aug 2018
1997 thyssenkrupp.com 7.14/10 6,200 1,736 Nov 2021
1998 chibanippo.co.jp 7.14/10 10 41 Mar 2021
1999 audiobooks.com 7.13/10 42,300 42,361 Aug 2022
2000 unich.it 7.13/10 110 277 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.

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