seznam.cz

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seznam.cz is ranked #783 in the Tranco list of the world's most popular websites (list of Oct 13, 2026), down 79 places in four weeks. The domain was registered on Oct 7, 1996, 30 years ago, through REG-SEZNAM, and is paid up until Oct 28, 2027. It is served by Envoy.

Global rank

#783

▼ 31 this week

Domain age

30 years

since Oct 7, 1996

Technologies

detected on the homepage

SEO score

91/100

homepage checks

Popularity rank

#783 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: #688.

Weekly Tranco rank (lower is more popular).

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

Domain registration

Registered: Oct 7, 1996 (30 years ago)
Expires: Oct 28, 2027
Registrar: REG-SEZNAM
Name servers: ams.seznam.cz, ans.seznam.cz
DNSSEC: Signed

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

Technology stack

Web servers

Envoy

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.

91/100

https://www.seznam.cz/?noredirect=1

Seznam – najdu tam, co neznám

Nejnavštěvovanější český internetový portál nabízející vyhledávač, e-mail, aktuální zprávy, předpověď počasí a odkazy, které se mohou hodit.

19 passed · 4 warnings · 0 failed

Content

✓Title29 characters
✓Meta description140 characters
!H1 heading2 H1 headings — use one
✓Subheadings70 H2 headings
✓Image alt textAll 220 images have alt text
✓Content lengthAbout 3,948 words

Indexing

✓IndexableNo noindex directive
✓Canonical URLhttps://www.seznam.cz/
✓robots.txtFound
✓XML sitemapFound
✓Language attributecs
!Structured dataNo JSON-LD or microdata

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.seznam.cz/?noredirect=1
HTTP status: 200
Server: envoy
Response time: 2.90 s (first byte 2.29 s, from our scanner in a US data centre)
HTML size: 1.3 MB
Compression: gzip

Sites ranked near seznam.cz

Rank	Website	Registered	Built with
#778	ddnss.de	—	Apache, jQuery, Google Analytics
#779	crwdcntrl.net	2006	—
#780	nintendo.net	1996	—
#781	nikkei.com	1995	Meta Pixel
#782	steamstatic.com	2013	—
#784	shopeemobile.com	2014	—
#785	sedo.com	1998	Cloudflare, jQuery, Bootstrap
#786	zoom.com	1999	Cloudflare, Google Tag Manager
#787	mckinsey.com	1990	—
#788	usgovcloudapi.net	2013	—

Questions about seznam.cz

How popular is seznam.cz?

seznam.cz is #783 worldwide in the Tranco list published Oct 13, 2026.

How old is seznam.cz?

seznam.cz was registered on Oct 7, 1996, which makes the domain 30 years old.

What is seznam.cz built with?

We detected Envoy on its homepage.

Who is the registrar of seznam.cz?

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