esa.int

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esa.int is ranked #3,147 in the Tranco list of the world's most popular websites (list of Oct 13, 2026), up 35 places in four weeks. The domain was registered on Aug 23, 1996, 30 years, 1 month ago. Its homepage uses jQuery, Font Awesome and Matomo. It is served through Fastly.

Global rank

#3,147

▲ 16 this week

Domain age

30 years

since Aug 23, 1996

Technologies

detected on the homepage

SEO score

72/100

homepage checks

Popularity rank

#3,147 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: #3,084.

Weekly Tranco rank (lower is more popular).

See where esa.int sits in the top 10,000

Domain registration

Registered: Aug 23, 1996 (30 years, 1 month ago)
Expires: —
Registrar: —
Name servers: ns1.esa.int, ns2.esa.int, ns3.esa.int, ns4.esa.int
DNSSEC: Not signed

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

Technology stack

JavaScript libraries

jQuery 2.2.4

UI frameworks & fonts

Font Awesome

Analytics

Matomo

CDN

Fastly

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.esa.int/

European Space Agency

The European Space Agency portal features the latest news in space exploration, human spaceflight, launchers, telecommunications, navigation, monitoring and space science.

11 passed · 11 warnings · 1 failed

Content

✓Title21 characters
!Meta description171 characters — aim for 50–170
✕H1 headingMissing in the served HTML
✓Subheadings6 H2 headings
✓Image alt textAll 93 images have alt text
✓Content lengthAbout 838 words

Indexing

✓IndexableNo noindex directive
!Canonical URLMissing
✓robots.txtFound
!XML sitemapNot found
✓Language attributeen
!Structured dataNo JSON-LD or microdata

Social sharing

!Open Graph2 of 3 key tags set
!Twitter / X cardMissing

Technical

✓HTTPSServed over HTTPS
✓Mobile viewportFound
!FaviconMissing
✓Character encodingutf-8

Security headers

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

Server response

Final URL: https://www.esa.int/
HTTP status: 200
Server: —
Response time: 133 ms (first byte 132 ms, from our scanner in a US data centre)
HTML size: 55 KB
Compression: gzip

Sites with a similar tech stack

Rank	Website	Built with
#324	php.net	jQuery, Matomo, Font Awesome
#1,429	inps.it	Fastly, Matomo, Font Awesome
#7,166	unige.ch	jQuery, Matomo, Font Awesome
#7,390	su.se	jQuery, Matomo, Font Awesome
#753	python.org	Fastly, Nginx, jQuery
#5,656	python.ca	Fastly, Nginx, jQuery

Sites ranked near esa.int

Rank	Website	Registered	Built with
#3,142	parastorage.com	2010	Wix
#3,143	openldap.org	1998	Nginx
#3,144	pbstck.com	2019	—
#3,145	lovable.dev	2023	Cloudflare
#3,146	elle.com	1996	Next.js, React
#3,148	cvent.com	1999	Drupal, Amazon CloudFront, jsDelivr
#3,149	passport.com	1996	—
#3,150	queniubg.com	2021	—
#3,151	acuityplatform.com	2011	—
#3,152	vt.edu	—	Amazon CloudFront, Apache, Google Tag Manager

Questions about esa.int

How popular is esa.int?

esa.int is #3,147 worldwide in the Tranco list published Oct 13, 2026.

How old is esa.int?

esa.int was registered on Aug 23, 1996, which makes the domain 30 years, 1 month old.

What is esa.int built with?

We detected jQuery, Font Awesome, Matomo and Fastly on its homepage.