nic.cz
CZ.NIC
Last scanned Jul 21, 2026, 11:40 AM · 2 views
Overall score
Great
Summary
CZ domain registry. This website uses Nginx. SEO is fair (70/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance excellent (90/100). Top issue: Missing canonical link.
Top issues to fix
7 issues found
1 cookie without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
Missing OpenGraph tags
SEOAdd og:title/og:description/og:image so shared links render a proper preview card.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
+1 more issue — details in the sections below.
SEO
5 issue(s) found
Performance
1.25 s
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Meta tags
- Title
- CZ.NIC
- Description
- CZ domain registry.
- Canonical
- Language
- cs
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1.0
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
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
- nic.cz
- Valid from
- Jun 10, 2026
- Valid to
- Sep 8, 2026
- Days until expiry
- 48
- SAN domains
- business.nic.cz, dar.nic.cz, edice.nic.cz, enum.nic.cz, files.nic.cz, kariera.nic.cz, nic.cz, o.nic.cz, podpora.nic.cz, pozvanka.nic.cz, prace.nic.cz, prihlasky.nic.cz, www.business.nic.cz, www.edice.nic.cz, www.enum.nic.cz, www.nic.cz, www.podpora.nic.cz
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 1 cookie(s) observed
Content & assets
Headings
H1 1 · H2 0 · H3 5
Links
12 internal · 20 external · 5 broken
Images
11 total · 0 missing alt
Scripts / Styles
17 scripts · 8 stylesheets
JS / CSS size
179 KB · 0 B
Page size
19.4 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing canonical link
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://nic.cz
- Final URL
- https://www.nic.cz/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 1.25 s
- HTML size
- 19.4 KB
- Redirect chain
- https://nic.cz → https://www.nic.cz/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does nic.cz use?
- nic.cz is built with Django, jQuery, Nginx.
- Is nic.cz secure (HTTPS)?
- Yes. nic.cz uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 8, 2026.
- Who hosts nic.cz?
- Hosting provider information for nic.cz is not available yet.
- What is nic.cz's SEO score?
- nic.cz scored 70/100 for SEO in the latest analysis (fair).
- What is nic.cz's overall website score?
- nic.cz has an overall SiteGraph score of 89/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card