rug.nl

Live check Visit ↗

rug.nl is ranked #5,931 in the Tranco list of the world's most popular websites (list of Oct 13, 2026), up 408 places in four weeks. The domain was registered on Jun 2, 1988, 38 years, 4 months ago, through Rijksuniversiteit Groningen. Its homepage uses jQuery.

Global rank

#5,931

▲ 150 this week

Domain age

38 years

since Jun 2, 1988

Technologies

detected on the homepage

SEO score

87/100

homepage checks

Popularity rank

#5,931 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: #5,706.

Weekly Tranco rank (lower is more popular).

See where rug.nl sits in the top 10,000

Domain registration

Registered: Jun 2, 1988 (38 years, 4 months ago)
Expires: —
Registrar: Rijksuniversiteit Groningen
Name servers: dns2.rug.nl, dns3.rug.nl, ns2.surfnet.nl, dns1.rug.nl, ns1.surfnet.nl
DNSSEC: Not signed

From the registry's public RDAP record, checked Oct 7, 2026.

Technology stack

JavaScript libraries

jQuery

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://www.rug.nl/

Top 100 University | University of Groningen

The University of Groningen has a high reputation for academic teaching and research and a large international network and offers degree programmes at Bachelor, Master and PhD levels in virtually every field.

18 passed · 4 warnings · 1 failed

Content

✓Title44 characters
!Meta description208 characters — aim for 50–170
✕H1 headingMissing in the served HTML
✓Subheadings11 H2 headings
✓Image alt textAll 14 images have alt text
✓Content lengthAbout 486 words

Indexing

✓IndexableNo noindex directive
!Canonical URLMissing
✓robots.txtFound
✓XML sitemapFound
✓Language attributeen
ihreflang3 language alternates
✓Structured dataMicrodata

Social sharing

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

Technical

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

Security headers

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

Server response

Final URL: https://www.rug.nl/
HTTP status: 200
Server: —
Response time: 3.06 s (first byte 2.95 s, from our scanner in a US data centre)
HTML size: 48 KB
Compression: gzip

Sites ranked near rug.nl

Rank	Website	Registered	Built with
#5,926	ku.edu	—	Drupal, Nginx, Microsoft Clarity
#5,927	americanbar.org	2000	Cloudflare
#5,928	leeds.ac.uk	—	Google Tag Manager, Adobe Fonts
#5,929	europepmc.org	2009	Cloudflare
#5,930	blogspot.fr	2007	—
#5,932	cctld.us	—	—
#5,933	p-n.io	2018	—
#5,934	substackcdn.com	2022	Amazon CloudFront
#5,935	netcologne.de	—	Next.js, React, Apache
#5,936	bx-dc-msedge.net	2024	—

Questions about rug.nl

How popular is rug.nl?

rug.nl is #5,931 worldwide in the Tranco list published Oct 13, 2026.

How old is rug.nl?

rug.nl was registered on Jun 2, 1988, which makes the domain 38 years, 4 months old.

What is rug.nl built with?

We detected jQuery on its homepage.

Who is the registrar of rug.nl?

Rijksuniversiteit Groningen, according to the registry's RDAP record.