lencr.org

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lencr.org is ranked #123 in the Tranco list of the world's most popular websites (list of Oct 13, 2026), up 73 places in four weeks. The domain was registered on Jun 29, 2020, 6 years, 3 months ago, through Cloudflare, Inc., and is paid up until Jun 29, 2027. Its homepage uses Font Awesome. It is served through Netlify.

Global rank

#123

▲ 18 this week

Domain age

6 years

since Jun 29, 2020

Technologies

detected on the homepage

SEO score

85/100

homepage checks

Popularity rank

#123 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: #123.

Weekly Tranco rank (lower is more popular).

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

Domain registration

Registered: Jun 29, 2020 (6 years, 3 months ago)
Expires: Jun 29, 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

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.

85/100

https://letsencrypt.org/docs/lencr.org/

lencr.org - Let's Encrypt

What’s lencr.org? lencr.org is a domain name owned by Let’s Encrypt. We use it to host data that is referenced inside the certificates we issue. Why is my computer fetching this data? Is it malicious? No, the data on lencr.org is never malicious. When a device connects to lencr.org, it’s because client software on that device (like a web browser or an app) connected to another site, saw a Let’s Encrypt certificate, and is trying to verify that it’s valid. This is routine for many clients.

16 passed · 7 warnings · 0 failed

Content

✓Title25 characters
!Meta description493 characters — aim for 50–170
!H1 heading5 H1 headings — use one
!SubheadingsNo H2 headings in the served HTML
✓Image alt textAll 3 images have alt text
✓Content lengthAbout 592 words

Indexing

✓IndexableNo noindex directive
!Canonical URLMissing
!robots.txtNot found
✓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/docs/lencr.org/
HTTP status: 200
Server: Netlify
Response time: 165 ms (first byte 165 ms, from our scanner in a US data centre)
HTML size: 28 KB
Compression: br

Sites ranked near lencr.org

Rank	Website	Registered	Built with
#118	windows.com	1995	Next.js, React, Azure Front Door
#119	bit.ly	2008	WordPress, Nginx, Google Tag Manager
#120	registrar-servers.com	2007	—
#121	okcdn.ru	—	Apache
#122	outlook.com	1994	—
#124	cdn77.org	2013	—
#125	trbcdn.net	2017	—
#126	reg.ru	—	—
#127	dnsowl.com	2010	—
#128	aliyuncs.com	2012	Alibaba Cloud CDN

Questions about lencr.org

How popular is lencr.org?

lencr.org is #123 worldwide in the Tranco list published Oct 13, 2026.

How old is lencr.org?

lencr.org was registered on Jun 29, 2020, which makes the domain 6 years, 3 months old.

What is lencr.org built with?

We detected Font Awesome and Netlify on its homepage.

Who is the registrar of lencr.org?

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