doxygen.org

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doxygen.org is ranked #4,388 in the Tranco list of the world's most popular websites (list of Oct 13, 2026), up 27 places in four weeks. The domain was registered on Apr 11, 2000, 26 years, 6 months ago, through Hosting Concepts B.V. d/b/a Registrar.eu, and is paid up until Apr 11, 2027. Its homepage uses Bootstrap, Cloudflare Web Analytics and Google AdSense. It is served through Cloudflare.

Global rank

#4,388

▲ 2 this week

Domain age

26 years

since Apr 11, 2000

Technologies

detected on the homepage

SEO score

72/100

homepage checks

Popularity rank

#4,388 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: #4,226.

Weekly Tranco rank (lower is more popular).

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

Domain registration

Registered: Apr 11, 2000 (26 years, 6 months ago)
Expires: Apr 11, 2027
Registrar: Hosting Concepts B.V. d/b/a Registrar.eu
Name servers: kolton.ns.cloudflare.com, maleah.ns.cloudflare.com
DNSSEC: Not signed

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

Technology stack

UI frameworks & fonts

Bootstrap

Analytics

Cloudflare Web Analytics

Advertising

Google AdSense

CDN

Cloudflare

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.

72/100

https://www.doxygen.nl/

Doxygen homepage

Source code documentation and analysis tool

12 passed · 9 warnings · 2 failed

Content

✓Title16 characters
!Meta description43 characters — aim for 50–170
✓H1 headingExactly one H1
✓Subheadings6 H2 headings
✕Image alt text6 of 10 images have no alt text
✓Content lengthAbout 333 words

Indexing

✓IndexableNo noindex directive
!Canonical URLMissing
✓robots.txtFound
!XML sitemapNot found
✓Language attributeen
!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-SecurityNot set
!Content-Security-PolicyNot set
✓Clickjacking protectionSet
!X-Content-Type-OptionsNot set
!Referrer-PolicyNot set

Server response

Final URL: https://www.doxygen.nl/
HTTP status: 200
Server: cloudflare
Response time: 7.21 s (first byte 7.21 s, from our scanner in a US data centre)
HTML size: 14 KB
Compression: br

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#9,204	proxyium.com	Cloudflare, jQuery, Cloudflare Web Analytics
#1,466	myinstants.com	Cloudflare, Cloudflare Web Analytics, Google Analytics

Sites ranked near doxygen.org

Rank	Website	Registered	Built with
#4,383	ew.com	1994	Cloudflare
#4,384	linksynergy.com	1997	—
#4,385	ucloud.cn	—	Next.js, React, jQuery
#4,386	chinaz.com	2002	Vue.js, OpenResty, Microsoft Clarity
#4,387	fang.com	1995	jQuery
#4,389	hyperliquid.xyz	2022	Amazon CloudFront
#4,390	rapidedge.io	2022	—
#4,391	os-lb.com	2014	—
#4,392	nbcuott.com	2019	—
#4,393	infolinks.com	1997	WordPress, Cloudflare, PHP

Questions about doxygen.org

How popular is doxygen.org?

doxygen.org is #4,388 worldwide in the Tranco list published Oct 13, 2026.

How old is doxygen.org?

doxygen.org was registered on Apr 11, 2000, which makes the domain 26 years, 6 months old.

What is doxygen.org built with?

We detected Bootstrap, Cloudflare Web Analytics, Google AdSense and Cloudflare on its homepage.

Who is the registrar of doxygen.org?

Hosting Concepts B.V. d/b/a Registrar.eu, according to the registry's RDAP record.