gnu.org

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gnu.org is ranked #340 in the Tranco list of the world's most popular websites (list of Oct 13, 2026), up 5 places in four weeks. The domain was registered on Nov 24, 1995, 30 years, 10 months ago, through Gandi SAS, and is paid up until Nov 23, 2027. It is served by Apache.

Global rank

#340

▲ 6 this week

Domain age

30 years

since Nov 24, 1995

Technologies

detected on the homepage

SEO score

80/100

homepage checks

Popularity rank

#340 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: #321.

Weekly Tranco rank (lower is more popular).

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

Domain registration

Registered: Nov 24, 1995 (30 years, 10 months ago)
Expires: Nov 23, 2027
Registrar: Gandi SAS
Name servers: ns4.gnu.org, ns1.gnu.org, ns2.gnu.org
DNSSEC: Not signed

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

Technology stack

Web servers

Apache

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.

80/100

https://www.gnu.org/

The GNU Operating System and the Free Software Movement

Since 1983, developing the free Unix style operating system GNU, so that computer users can have the freedom to share and improve the software they use.

16 passed · 5 warnings · 2 failed

Content

✓Title55 characters
✓Meta description152 characters
✕H1 headingMissing in the served HTML
✓Subheadings4 H2 headings
✓Image alt textAll 12 images have alt text
✓Content lengthAbout 1,063 words

Indexing

✓IndexableNo noindex directive
!Canonical URLMissing
✓robots.txtFound
✓XML sitemapFound
✓Language attributeen
ihreflang16 language alternates
!Structured dataNo JSON-LD or microdata

Social sharing

✕Open GraphMissing
!Twitter / X cardMissing

Technical

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

Security headers

✓Strict-Transport-SecuritySet
!Content-Security-PolicyNot set
✓Clickjacking protectionSet
✓X-Content-Type-OptionsSet
!Referrer-PolicyNot set

Server response

Final URL: https://www.gnu.org/
HTTP status: 200
Server: Apache
Response time: 95 ms (first byte 94 ms, from our scanner in a US data centre)
HTML size: 31 KB
Compression: gzip

Sites ranked near gnu.org

Rank	Website	Registered	Built with
#335	netflix.net	1997	—
#336	smartadserver.com	2002	Webflow, Cloudflare, jsDelivr
#337	akamaihd.net	2009	—
#338	statsigapi.net	2021	—
#339	googletagservices.com	2008	—
#341	crpt.ru	—	—
#342	miit.gov.cn	—	jQuery
#343	bilibili.com	2004	—
#344	dell.com	1988	Akamai, Bootstrap
#345	demdex.net	2008	—

Questions about gnu.org

How popular is gnu.org?

gnu.org is #340 worldwide in the Tranco list published Oct 13, 2026.

How old is gnu.org?

gnu.org was registered on Nov 24, 1995, which makes the domain 30 years, 10 months old.

What is gnu.org built with?

We detected Apache on its homepage.

Who is the registrar of gnu.org?

Gandi SAS, according to the registry's RDAP record.