us.org

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us.org is ranked #5,471 in the Tranco list of the world's most popular websites (list of Oct 13, 2026), down 713 places in four weeks. The domain was registered on Apr 23, 1995, 31 years, 5 months ago, through Key-Systems GmbH, and is paid up until Apr 24, 2030. Its homepage uses jQuery and Google Tag Manager. It is served by Nginx.

Global rank

#5,471

▼ 248 this week

Domain age

31 years

since Apr 23, 1995

Technologies

detected on the homepage

SEO score

83/100

homepage checks

Popularity rank

#5,471 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: #3,182.

Weekly Tranco rank (lower is more popular).

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

Domain registration

Registered: Apr 23, 1995 (31 years, 5 months ago)
Expires: Apr 24, 2030
Registrar: Key-Systems GmbH
Name servers: ns1.centralnic.net, ns2.centralnic.net, ns3.centralnic.net, ns4.centralnic.net
DNSSEC: Signed

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

Technology stack

JavaScript libraries

jQuery 3.5.1

Analytics

Google Tag Manager

Web servers

Nginx

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.

83/100

https://us.org/

.US.ORG | The Open Domain for Purpose-Driven U.S. Organizations

Serve your community with .US.ORG—an unrestricted domain that combines .ORG trust with American relevance. Ideal for any U.S.-focused mission. Secure yours today!

16 passed · 6 warnings · 1 failed

Content

✓Title63 characters
✓Meta description162 characters
✕H1 headingMissing in the served HTML
✓Subheadings7 H2 headings
!Image alt text2 of 20 images have no alt text
✓Content lengthAbout 636 words

Indexing

✓IndexableNo noindex directive
✓Canonical URLhttps://us.org
✓robots.txtFound
✓XML sitemapFound
✓Language attributeen
✓Structured dataMicrodata

Social sharing

✓Open GraphTitle, description and image set
✓Twitter / X cardsummary_large_image

Technical

✓HTTPSServed over HTTPS
✓Mobile viewportFound
✓FaviconFound
✓Character encodingUTF-8

Security headers

!Strict-Transport-SecurityNot set
!Content-Security-PolicyNot set
!Clickjacking protectionNot set
!X-Content-Type-OptionsNot set
!Referrer-PolicyNot set

Server response

Final URL: https://us.org/
HTTP status: 200
Server: nginx
Response time: 2.74 s (first byte 2.74 s, from our scanner in a US data centre)
HTML size: 39 KB
Compression: gzip

Sites with a similar tech stack

Rank	Website	Built with
#727	uk.com	Nginx, jQuery, Google Tag Manager
#1,067	eu.com	Nginx, jQuery, Google Tag Manager
#1,371	us.com	Nginx, jQuery, Google Tag Manager
#2,532	de.com	Nginx, jQuery, Google Tag Manager
#3,304	uk.net	Nginx, jQuery, Google Tag Manager
#4,111	cn.com	Nginx, jQuery, Google Tag Manager

Sites ranked near us.org

Rank	Website	Registered	Built with
#5,466	localytics.com	2008	Next.js, React, Vercel
#5,467	firebaseapp.com	2012	Google Tag Manager, Google Fonts
#5,468	linternaute.com	1999	cdnjs, jQuery, Google Tag Manager
#5,469	chinatax.gov.cn	—	jQuery
#5,470	e5.sk	—	—
#5,472	overdrive.com	1996	—
#5,473	moovitapp.com	2012	Amazon CloudFront
#5,474	sina.com	1998	Nginx
#5,475	canadiantire.ca	2000	Akamai
#5,476	blogspot.ca	2006	—

Questions about us.org

How popular is us.org?

us.org is #5,471 worldwide in the Tranco list published Oct 13, 2026.

How old is us.org?

us.org was registered on Apr 23, 1995, which makes the domain 31 years, 5 months old.

What is us.org built with?

We detected jQuery, Google Tag Manager and Nginx on its homepage.

Who is the registrar of us.org?

Key-Systems GmbH, according to the registry's RDAP record.