What technology does seznamka.cz use?

seznamka.cz is built with Bootstrap, jQuery, Google Analytics, Google Ads, Meta Pixel.

Is seznamka.cz secure (HTTPS)?

Yes. seznamka.cz uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 3, 2026.

Who hosts seznamka.cz?

Hosting provider information for seznamka.cz is not available yet.

What is seznamka.cz's SEO score?

seznamka.cz scored 90/100 for SEO in the latest analysis (excellent).

What is seznamka.cz's overall website score?

seznamka.cz has an overall SiteGraph score of 88/100, combining SEO, performance, security, and accessibility.

seznamka.cz

Seznamka.cz - Tradiční seznamka zdarma, již 25 let

Last scanned Jul 26, 2026, 12:49 PM

Overall score

Great

Summary

Seznamka.cz je tradiční a největší internetová česká seznamka zdarma. This website uses Google Analytics. SEO is excellent (90/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: robots.txt not found.

Seznamka.cz je tradiční a největší internetová česká seznamka zdarma. Více než 280 000 registrovaných uživatelů. Zkus se u nás seznámit.

Top issues to fix

7 issues found · 2 high priority

Missing Strict-Transport-Security header
Security
Add HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
Security
Add a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing X-Content-Type-Options header
Security
Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
Security
Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
robots.txt not found
SEO
Publish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEO
Publish an XML sitemap and reference it from robots.txt to speed up page discovery.

+1 more issue — details in the sections below.

SEO

2 issue(s) found

100

Performance

495 ms

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

Organization

Company details published in this site's own structured data.

Seznamka.cz je tradiční a největší internetová česká seznamka zdarma. Více než 280 000 registrovaných uživatelů. Zkus se u nás seznámit.

Meta tags

Title: Seznamka.cz - Tradiční seznamka zdarma, již 25 let
Description: Seznamka.cz je tradiční a největší internetová česká seznamka zdarma. Více než 280 000 registrovaných uživatelů. Zkus se u nás seznámit.
Canonical: https://www.seznamka.cz
Language: cs
Charset: Windows-1250
Viewport: width=device-width, initial-scale=1.0
Robots meta: ALL,FOLLOW
Manifest: https://www.seznamka.cz/manifest.json

Technologies

Detected frameworks, languages, and tools.

Bootstrap jQuery Google Analytics Google Ads Meta Pixel

Hosting & CDN

Hosting provider: —
CDN provider: —
IP address: —
ASN: —

DNS records

Type	Value
A	—
AAAA	—
MX	—
TXT	—
NS	—
CAA	—
CNAME	—
IPv6 support	No

TLS / SSL certificate

Version: TLS 1.3
Issuer: Let's Encrypt
Subject: www.seznamka.cz
Valid from: Jun 5, 2026
Valid to: Sep 3, 2026
Days until expiry: 36
SAN domains: seznamka.cz, www.seznamka.cz

Security headers

Strict-Transport-SecurityMissing
Content-Security-PolicyMissing
X-Frame-OptionsMissing
X-Content-Type-OptionsMissing
Referrer-PolicyMissing
Permissions-PolicyMissing

Compression: gzip · 5 cookie(s) observed

Content & assets

Headings

H1 1 · H2 24 · H3 13

Links

96 internal · 10 external · 20 broken

Images

54 total · 0 missing alt

Scripts / Styles

21 scripts · 3 stylesheets

JS / CSS size

4.1 KB · 0 B

Page size

95.5 KB

Robots.txt & Sitemap

robots.txt: Not found
Disallow rules: 0
sitemap.xml: Not found
URLs in sitemap: 0

SEO issues

robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://seznamka.cz
Final URL: https://www.seznamka.cz/
HTTP status: 200
HTTP version: HTTP/2
Response time: 494 ms
HTML size: 95.5 KB
Redirect chain: https://seznamka.cz → https://www.seznamka.cz/

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does seznamka.cz use?: seznamka.cz is built with Bootstrap, jQuery, Google Analytics, Google Ads, Meta Pixel.
Is seznamka.cz secure (HTTPS)?: Yes. seznamka.cz uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 3, 2026.
Who hosts seznamka.cz?: Hosting provider information for seznamka.cz is not available yet.
What is seznamka.cz's SEO score?: seznamka.cz scored 90/100 for SEO in the latest analysis (excellent).
What is seznamka.cz's overall website score?: seznamka.cz has an overall SiteGraph score of 88/100, combining SEO, performance, security, and accessibility.