cra.cz

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cra.cz is ranked #6,273 in the Tranco list of the world's most popular websites (list of Oct 13, 2026), up 71 places in four weeks. The domain was registered on Jun 7, 1997, 29 years, 4 months ago, through REG-INTERNET-CZ, and is paid up until Oct 12, 2027. Its homepage uses Font Awesome and Google Tag Manager. It is served by Apache.

Global rank

#6,273

▼ 2 this week

Domain age

29 years

since Jun 7, 1997

Technologies

detected on the homepage

SEO score

96/100

homepage checks

Popularity rank

#6,273 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: #5,899.

Weekly Tranco rank (lower is more popular).

See where cra.cz sits in the top 10,000

Domain registration

Registered: Jun 7, 1997 (29 years, 4 months ago)
Expires: Oct 12, 2027
Registrar: REG-INTERNET-CZ
Name servers: ns1.bluetone.cz, ns2.bluetone.cz, ns.bluetone.cz
DNSSEC: Signed

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

Technology stack

UI frameworks & fonts

Font Awesome

Analytics

Google Tag Manager

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.

96/100

https://www.cra.cz/

Datové centrum, přenos dat, Cloud a IoT | České Radiokomunikace

Jsme poskytovatelem unikátní televizní, rozhlasové a internetové infrastruktury. Převádíme technologické trendy do inovativních mediálních, telekomunikačních a IT infrastrukturních služeb.

21 passed · 2 warnings · 0 failed

Content

✓Title63 characters
!Meta description188 characters — aim for 50–170
✓H1 headingExactly one H1
✓Subheadings6 H2 headings
✓Image alt textAll 34 images have alt text
✓Content lengthAbout 847 words

Indexing

✓IndexableNo noindex directive
✓Canonical URLhttps://www.cra.cz/
✓robots.txtFound
✓XML sitemapFound
✓Language attributecs
✓Structured dataOrganization, WebSite, WebPage

Social sharing

✓Open GraphTitle, description and image set
!Twitter / X cardMissing

Technical

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

Security headers

✓Strict-Transport-SecuritySet
✓Content-Security-PolicySet
✓Clickjacking protectionSet
✓X-Content-Type-OptionsSet
✓Referrer-PolicySet

Server response

Final URL: https://www.cra.cz/
HTTP status: 200
Server: Apache
Response time: 5.39 s (first byte 5.13 s, from our scanner in a US data centre)
HTML size: 107 KB
Compression: none reported

Sites with a similar tech stack

Rank	Website	Built with
#3,764	rochester.edu	Apache, Google Tag Manager, Adobe Fonts
#4,276	udel.edu	Apache, jQuery, Google Tag Manager
#7,681	spareroom.co.uk	Fastly, Apache, Google Tag Manager
#1,938	ucsd.edu	Apache, jQuery, Google Tag Manager
#6,515	unodc.org	AngularJS, Apache, Google Analytics
#6,679	chunichi.co.jp	Apache, jQuery, Google Tag Manager

Sites ranked near cra.cz

Rank	Website	Registered	Built with
#6,268	denverpost.com	1995	WordPress, jsDelivr, Nginx
#6,269	cmd.su	—	Nginx, jQuery, Microsoft Clarity
#6,270	rit.edu	—	Drupal, unpkg, Apache
#6,271	tabletki.ua	2010	Cloudflare
#6,272	royalroad.com	2003	Cloudflare
#6,274	reliefweb.int	1996	—
#6,275	qwen.ai	2023	—
#6,276	lavoixdunord.fr	1996	Akamai
#6,277	adnkronos.com	1996	Google Tag Manager, Taboola
#6,278	tilhempel.info	2026	—

Questions about cra.cz

How popular is cra.cz?

cra.cz is #6,273 worldwide in the Tranco list published Oct 13, 2026.

How old is cra.cz?

cra.cz was registered on Jun 7, 1997, which makes the domain 29 years, 4 months old.

What is cra.cz built with?

We detected Font Awesome, Google Tag Manager and Apache on its homepage.

Who is the registrar of cra.cz?

REG-INTERNET-CZ, according to the registry's RDAP record.