letsencrypt.org

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letsencrypt.org is ranked #1,163 in the Tranco list of the world's most popular websites (list of Oct 13, 2026), down 10 places in four weeks. The domain was registered on Jul 7, 2014, 12 years, 3 months ago, through Cloudflare, Inc., and is paid up until Jul 7, 2027. Its homepage uses Hugo and Font Awesome. It is served through Netlify.

Global rank

#1,163

▼ 7 this week

Domain age

12 years

since Jul 7, 2014

Technologies

detected on the homepage

SEO score

87/100

homepage checks

Popularity rank

#1,163 of the top 1 million sites in the Tranco research ranking, which averages several traffic and DNS sources over 30 days. Best rank in the period shown: #935.

Weekly Tranco rank (lower is more popular).

See where letsencrypt.org sits in the top 10,000

Domain registration

Registered: Jul 7, 2014 (12 years, 3 months ago)
Expires: Jul 7, 2027
Registrar: Cloudflare, Inc.
Name servers: owen.ns.cloudflare.com, vera.ns.cloudflare.com
DNSSEC: Not signed

From the registry's public RDAP record, checked Oct 1, 2026.

Technology stack

CMS & site builders

Hugo 0.162.0

UI frameworks & fonts

Font Awesome

Hosting

Netlify

Detected from the homepage HTML and response headers on Oct 14, 2026. Tools loaded only after scripts run (or after consent banners) may be missing.

Homepage SEO check

Checked from the HTML our scanner received on Oct 14, 2026. Content added later by JavaScript isn't counted.

87/100

https://letsencrypt.org/

Let's Encrypt

Let's Encrypt is a free, automated, and open Certificate Authority brought to you by the nonprofit Internet Security Research Group (ISRG). Read all about our work in our Annual Report.

17 passed · 6 warnings · 0 failed

Content

!Title13 characters — aim for 15–65
!Meta description185 characters — aim for 50–170
!H1 heading2 H1 headings — use one
✓Subheadings7 H2 headings
✓Image alt textAll 93 images have alt text
✓Content lengthAbout 628 words

Indexing

✓IndexableNo noindex directive
!Canonical URLMissing
✓robots.txtFound
✓XML sitemapFound
✓Language attributeen-US
✓Structured dataMicrodata

Social sharing

✓Open GraphTitle, description and image set
!Twitter / X cardMissing

Technical

✓HTTPSServed over HTTPS
✓Mobile viewportFound
!FaviconMissing
✓Character encodingutf-8

Security headers

✓Strict-Transport-SecuritySet
✓Content-Security-PolicySet
✓Clickjacking protectionSet
✓X-Content-Type-OptionsSet
✓Referrer-PolicySet

Server response

Final URL: https://letsencrypt.org/
HTTP status: 200
Server: Netlify
Response time: 5.72 s (first byte 5.69 s, from our scanner in a US data centre)
HTML size: 88 KB
Compression: br

Sites ranked near letsencrypt.org

Rank	Website	Registered	Built with
#1,158	meethue.com	2012	Vue.js, Akamai, Apache
#1,159	lanacion.com.ar	1996	Akamai, OpenResty, Google Tag Manager
#1,160	one.com	1992	Next.js, React, Varnish
#1,161	websitewelcome.com	2003	—
#1,162	rings.solutions	2017	—
#1,164	clarin.com	1995	—
#1,165	apa.org	1992	—
#1,166	cspserver.net	2013	—
#1,167	singtelchina.cn	—	—
#1,168	wetteronline.de	—	Angular, Amazon CloudFront, Google Tag Manager

Questions about letsencrypt.org

How popular is letsencrypt.org?

letsencrypt.org is #1,163 worldwide in the Tranco list published Oct 13, 2026.

How old is letsencrypt.org?

letsencrypt.org was registered on Jul 7, 2014, which makes the domain 12 years, 3 months old.

What is letsencrypt.org built with?

We detected Hugo, Font Awesome and Netlify on its homepage.

Who is the registrar of letsencrypt.org?

Cloudflare, Inc., according to the registry's RDAP record.