Let's Encrypt (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Let's Encrypt" in English language version.

Last modified: 02:06:15, 3 August 2026 (UTC)

Ref.Un. Ref.Website

Global rank English rank

3124letsencrypt.org

low place

63heise.de

905^th place

3,454^th place

43web.archive.org

1^st place

32eweek.com

8,041^st place

5,594^th place

32threatpost.com

low place

22abetterinternet.org

low place

22linuxfoundation.org

low place

22zdnet.com

1,235^th place

855^th place

22github.com

380^th place

337^th place

21boomswaggerboom.wordpress.com

low place

22debian.org

3,258^th place

2,984^th place

22ietf.org

731^st place

625^th place

22redsift.com

low place

11archive-it.org

1,292^nd place

869^th place

11eff.org

4,491^st place

3,102^nd place

11sdtimes.com

low place

11mozilla.org

2,188^th place

2,076^th place

11chromium.org

9,404^th place

9,224^th place

11computerworlduk.com

low place

11theregister.com

2,921^st place

1,825^th place

11helpnetsecurity.com

low place

11crn.com

8,019^th place

4,662^nd place

11softpedia.com

4,174^th place

3,327^th place

11wired.com

254^th place

178^th place

11arxiv.org

49^th place

31^st place

11fsf.org

8,097^th place

low place

11iacr.org

6,361^st place

4,159^th place

11rfc-editor.org

747^th place

325^th place

11techrepublic.com

6,206^th place

4,460^th place

abetterinternet.org (Global: low place; English: low place)

"Building A Better Internet - ISRG 2023 Annual Report" (PDF). Internet Security Research Group. December 27, 2023. Retrieved May 27, 2024.
"For A Better Internet - ISRG 2020 Annual Report" (PDF). Internet Security Research Group. November 17, 2020. Retrieved May 11, 2021.

archive-it.org (Global: 1,292^nd place; English: 869^th place)

wayback.archive-it.org

Kerner, Sean Michael (November 18, 2014). "Let's Encrypt Effort Aims to Improve Internet Security". eWeek.com. Quinstreet Enterprise. Archived from the original on December 13, 2016. Retrieved February 27, 2015.

arxiv.org (Global: 49^th place; English: 31^st place)

Korzhitskii, Nikita; Carlsson, Niklas (2021). "Revocation Statuses on the Internet". arXiv:2102.04288 [cs.NI].

boomswaggerboom.wordpress.com (Global: low place; English: low place)

Aas, Josh (November 18, 2014). "Let's Encrypt | Boom Swagger Boom". Boomswaggerboom.wordpress.com. Archived from the original on December 8, 2015. Retrieved January 6, 2016.

chromium.org (Global: 9,404^th place; English: 9,224^th place)

"Marking HTTP As Non-Secure". The Chromium Projects.

computerworlduk.com (Global: low place; English: low place)

Moody, Glyn (November 25, 2014). "The Coming War on Encryption, Tor, and VPNs". Computerworld UK. IDG UK.

crn.com (Global: 8,019^th place; English: 4,662^nd place)

Joseph Tsidulko (November 18, 2014). "Let's Encrypt, A Free And Automated Certificate Authority, Comes Out Of Stealth Mode". crn.com. Retrieved August 26, 2015.

debian.org (Global: 3,258^th place; English: 2,984^th place)

bugs.debian.org

Marier, Francois (January 1, 2015). "ITP: letsencrypt – Let's Encrypt client that can update Apache configurations". Debian Bug report logs.

tracker.debian.org

"python-letsencrypt". Debian Package Tracker. May 27, 2015.

eff.org (Global: 4,491^st place; English: 3,102^nd place)

Eckersley, Peter (November 18, 2014). "Launching in 2015: A Certificate Authority to Encrypt the Entire Web". Electronic Frontier Foundation. Retrieved February 27, 2015.

eweek.com (Global: 8,041^st place; English: 5,594^th place)

Kerner, Sean Michael (April 9, 2015). "Let's Encrypt Becomes Linux Foundation Collaborative Project". eWeek. QuinStreet Enterprise.^{[permanent dead link]}
Kerner, Sean Michael (November 18, 2014). "Let's Encrypt Effort Aims to Improve Internet Security". eWeek.com. Quinstreet Enterprise. Archived from the original on December 13, 2016. Retrieved February 27, 2015.

fsf.org (Global: 8,097^th place; English: low place)

Let's Encrypt, Jim Meyering, and Clarissa Lima Borges receive FSF's 2019 Free Software Awards Free Software Foundation, 2020

github.com (Global: 380^th place; English: 337^th place)

letsencrypt. "boulder/LICENSE.txt at master · letsencrypt/boulder · GitHub". Github.com. Retrieved January 6, 2016.
letsencrypt (November 23, 2015). "letsencrypt/LICENSE.txt at master · letsencrypt/letsencrypt · GitHub". Github.com. Retrieved January 6, 2016.

heise.de (Global: 905^th place; English: 3,454^th place)

Fabian Scherschel (November 19, 2014). "Let's Encrypt: Mozilla und die EFF mischen den CA-Markt auf" (in German). heise.de.
Reiko Kaps (June 5, 2015). "Let's Encrypt: Meilenstein zu kostenlosen SSL-Zertifikaten für alle" (in German). heise.de.
Reiko Kaps (June 17, 2015). "SSL-Zertifizierungsstelle Lets Encrypt will Mitte September 2015 öffnen" (in German). heise.de.

helpnetsecurity.com (Global: low place; English: low place)

Zorz, Zeljka (July 6, 2015). "Let's Encrypt CA releases transparency report before its first certificate". Help Net Security.

iacr.org (Global: 6,361^st place; English: 4,159^th place)

rwc.iacr.org

"The Levchin Prize for Real-World Cryptography". Real World Crypto Symposium. International Association for Cryptologic Research. Retrieved April 9, 2024.

ietf.org (Global: 731^st place; English: 625^th place)

datatracker.ietf.org

History for draft-barnes-acme

tools.ietf.org

R. Barnes, J. Hoffman-Andrews, D. McCarney and J. Kasten (March 2019). "Automatic Certificate Management Environment (ACME)". RFC 8555.{{cite web}}: CS1 maint: multiple names: authors list (link)

letsencrypt.org (Global: low place; English: low place)

letsencrypt.org

Aas, Josh (December 31, 2019). "Looking Forward to 2019". Let's Encrypt. Retrieved January 26, 2019.
"Let's Encrypt Stats - Let's Encrypt - Free SSL/TLS Certificates". letsencrypt.org. Retrieved March 20, 2026.
"About Let's Encrypt". Let's Encrypt.
"Current Sponsors and Funders". Let's Encrypt.
Aas, Josh (October 19, 2015). "Let's Encrypt is Trusted".
"Let's Encrypt - FAQ". Let's Encrypt. Retrieved May 11, 2021.
"Why ninety-day lifetimes for certificates? - Let's Encrypt". letsencrypt.org. November 9, 2015. Retrieved September 5, 2021.
Matthew, McPherrin (December 2, 2025). "Decreasing Certificate Lifetimes to 45 Days". Let's Encrypt. Retrieved March 3, 2026.
Matthew, McPherrin (January 15, 2026). "6-day and IP Address Certificates are Generally Available". Let's Encrypt. Retrieved March 3, 2026.
"How It Works". Let's Encrypt. Retrieved July 9, 2016.
Josh Aas (June 16, 2015). "Let's Encrypt Launch Schedule". letsencrypt.org. Let's Encrypt. Retrieved June 19, 2015.
"Updated Let's Encrypt Launch Schedule". August 7, 2015.
"Public Beta: December 3, 2015". November 12, 2015.
"Entering Public Beta – Let's Encrypt – Free SSL/TLS Certificates". Let's Encrypt. December 3, 2015. Retrieved January 6, 2016.
Josh Aas; ISRG Executive Director (April 12, 2016). "Leaving Beta, New Sponsors". EFF. Retrieved April 12, 2016.
"Let's Encrypt Has Issued a Billion Certificates - Let's Encrypt - Free SSL/TLS Certificates". letsencrypt.org. February 27, 2020. Retrieved April 3, 2021.
Aas, Josh (June 4, 2015). "Let's Encrypt Root and Intermediate Certificates". Let's Encrypt.
Gable, Aaron (September 17, 2020). "Let's Encrypt's New Root and Intermediate Certificates". Let's Encrypt. Retrieved September 22, 2020.
Aas, Josh (November 9, 2015). "Why ninety-day lifetimes for certificates?". Let's Encrypt. Retrieved June 26, 2016.
"ACME Client Implementations - Let's Encrypt - Free SSL/TLS Certificates". letsencrypt.org. Retrieved August 20, 2020.

community.letsencrypt.org

Aas, Josh (March 13, 2018). "ACME v2 and Wildcard Certificate Support is Live". Let's Encrypt. Retrieved May 24, 2018.
"Revoking certain certificates on March 4". March 3, 2020. Retrieved March 4, 2020.
"End of Life Plan for ACMEv1". Let's Encrypt Community Support. March 11, 2019. Retrieved August 20, 2020.
"End of Life Plan for ACMEv1 - API Announcements". Let's Encrypt Community Support. May 5, 2021. Retrieved May 12, 2021.

linuxfoundation.org (Global: low place; English: low place)

"Let's Encrypt Leaves Beta" (Press release). San Francisco: Linux Foundation. April 12, 2016. Retrieved August 1, 2026.
"Let's Encrypt Leaves Beta". LinuxFoundation.org. Archived from the original on April 15, 2016. Retrieved April 17, 2016.

mozilla.org (Global: 2,188^th place; English: 2,076^th place)

blog.mozilla.org

Barnes, Richard (April 30, 2015). "Deprecating Non-Secure HTTP". Mozilla Security Blog. Mozilla.

redsift.com (Global: low place; English: low place)

blog.redsift.com

Powar, Rahul (January 22, 2025). "Red Sift becomes the recommended certificate monitoring service of Let's Encrypt". Red Sift Blog. Retrieved June 12, 2025.

redsift.com

"Let's Encrypt recommends Red Sift as its certificate monitoring service". redsift.com. Retrieved June 12, 2025.

rfc-editor.org (Global: 747^th place; English: 325^th place)

R. Barnes, J. Hoffman-Andrews, D. McCarney and J. Kasten (March 2019). "Automatic Certificate Management Environment (ACME)". RFC 8555.{{cite web}}: CS1 maint: multiple names: authors list (link)

sdtimes.com (Global: low place; English: low place)

Marvin, Rob (November 19, 2014). "EFF wants to make HTTPS the default protocol". Software Development Times. BZ Media. Archived from the original on June 17, 2016. Retrieved May 27, 2019.

softpedia.com (Global: 4,174^th place; English: 3,327^th place)

news.softpedia.com

Catalin Cimpanu (April 12, 2016). "Let's Encrypt Launched Today, Currently Protects 3.8 Million Domains". Softpedia News. Retrieved April 12, 2016.

techrepublic.com (Global: 6,206^th place; English: 4,460^th place)

Sanders, James (November 25, 2014). "Let's Encrypt initiative to provide free encryption certificates". TechRepublic. CBS Interactive.

theregister.com (Global: 2,921^st place; English: 1,825^th place)

"There's certs and certs – VeriSign badmouths rivals". www.theregister.com. Retrieved August 20, 2020.

threatpost.com (Global: low place; English: low place)

Michael Mimoso (September 15, 2015). "First Let's Encrypt Free Certificate Goes Live". Threatpost.com, Kaspersky Labs. Retrieved September 16, 2015.
Brook, Chris (November 18, 2014). "EFF, Others Plan to Make Encrypting the Web Easier in 2015". Threatpost: The Kaspersky Lab Security News Service.

web.archive.org (Global: 1^st place; English: 1^st place)

Aas, Josh (November 18, 2014). "Let's Encrypt | Boom Swagger Boom". Boomswaggerboom.wordpress.com. Archived from the original on December 8, 2015. Retrieved January 6, 2016.
Marvin, Rob (November 19, 2014). "EFF wants to make HTTPS the default protocol". Software Development Times. BZ Media. Archived from the original on June 17, 2016. Retrieved May 27, 2019.
"Let's Encrypt Leaves Beta". LinuxFoundation.org. Archived from the original on April 15, 2016. Retrieved April 17, 2016.

wired.com (Global: 254^th place; English: 178^th place)

Barrett, Brian (March 9, 2020). "The Internet Avoided a Minor Disaster Last Week". Wired. Conde Nast. Retrieved May 12, 2020.

zdnet.com (Global: 1,235^th place; English: 855^th place)

Tung, Liam (November 19, 2014). "EFF, Mozilla to launch free one-click website encryption". ZDNet. CBS Interactive.
Vaughan-Nichols, Steven J. (April 9, 2015). "Securing the web once and for all: The Let's Encrypt Project". ZDNet. CBS Interactive.

Let's Encrypt (English Wikipedia)

abetterinternet.org (Global: low place; English: low place)

archive-it.org (Global: 1,292nd place; English: 869th place)

wayback.archive-it.org

arxiv.org (Global: 49th place; English: 31st place)

boomswaggerboom.wordpress.com (Global: low place; English: low place)

chromium.org (Global: 9,404th place; English: 9,224th place)

computerworlduk.com (Global: low place; English: low place)

crn.com (Global: 8,019th place; English: 4,662nd place)

debian.org (Global: 3,258th place; English: 2,984th place)

bugs.debian.org

tracker.debian.org

eff.org (Global: 4,491st place; English: 3,102nd place)

eweek.com (Global: 8,041st place; English: 5,594th place)

fsf.org (Global: 8,097th place; English: low place)

github.com (Global: 380th place; English: 337th place)

heise.de (Global: 905th place; English: 3,454th place)

helpnetsecurity.com (Global: low place; English: low place)

iacr.org (Global: 6,361st place; English: 4,159th place)

rwc.iacr.org

ietf.org (Global: 731st place; English: 625th place)

datatracker.ietf.org

tools.ietf.org

letsencrypt.org (Global: low place; English: low place)

letsencrypt.org

community.letsencrypt.org

linuxfoundation.org (Global: low place; English: low place)

mozilla.org (Global: 2,188th place; English: 2,076th place)

blog.mozilla.org

redsift.com (Global: low place; English: low place)

blog.redsift.com

redsift.com

rfc-editor.org (Global: 747th place; English: 325th place)

sdtimes.com (Global: low place; English: low place)

softpedia.com (Global: 4,174th place; English: 3,327th place)

news.softpedia.com

techrepublic.com (Global: 6,206th place; English: 4,460th place)

theregister.com (Global: 2,921st place; English: 1,825th place)

threatpost.com (Global: low place; English: low place)

web.archive.org (Global: 1st place; English: 1st place)

wired.com (Global: 254th place; English: 178th place)

zdnet.com (Global: 1,235th place; English: 855th place)

archive-it.org (Global: 1,292^nd place; English: 869^th place)

arxiv.org (Global: 49^th place; English: 31^st place)

chromium.org (Global: 9,404^th place; English: 9,224^th place)

crn.com (Global: 8,019^th place; English: 4,662^nd place)

debian.org (Global: 3,258^th place; English: 2,984^th place)

eff.org (Global: 4,491^st place; English: 3,102^nd place)

eweek.com (Global: 8,041^st place; English: 5,594^th place)

fsf.org (Global: 8,097^th place; English: low place)

github.com (Global: 380^th place; English: 337^th place)

heise.de (Global: 905^th place; English: 3,454^th place)

iacr.org (Global: 6,361^st place; English: 4,159^th place)

ietf.org (Global: 731^st place; English: 625^th place)

mozilla.org (Global: 2,188^th place; English: 2,076^th place)

rfc-editor.org (Global: 747^th place; English: 325^th place)

softpedia.com (Global: 4,174^th place; English: 3,327^th place)

techrepublic.com (Global: 6,206^th place; English: 4,460^th place)

theregister.com (Global: 2,921^st place; English: 1,825^th place)

web.archive.org (Global: 1^st place; English: 1^st place)

wired.com (Global: 254^th place; English: 178^th place)

zdnet.com (Global: 1,235^th place; English: 855^th place)