mzk.cz
Moravská zemská knihovna v Brně
Last scanned Jul 26, 2026, 1:19 PM · 15 views
Overall score
Excellent
Summary
This website uses PHP hosted on CESNET2 - CESNET z.s.p.o., CZ. SEO is good (75/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Missing meta description.
- CZ
- Hosted on CESNET2 - CESNET z.s.p.o., CZ
Top issues to fix
5 issues found · 2 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing meta description
SEOAdd a ~150-character meta description to control your search-result snippet and lift click-through rate.
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.
1 broken link on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
3 issue(s) found
Performance
633 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- Moravská zemská knihovna v Brně
- Description
- Canonical
- http://www.mzk.cz/
- Language
- cs
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1.0
- Robots meta
- Manifest
- https://www.mzk.cz/themes/custom/awesome/favicons/site.webmanifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- CESNET2 - CESNET z.s.p.o., CZ
- CDN provider
- —
- IP address
- 195.113.155.162
- ASN
- AS2852 (CESNET2 - CESNET z.s.p.o., CZ)
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.mzk.cz
- Valid from
- Jun 25, 2026
- Valid to
- Sep 23, 2026
- Days until expiry
- 56
- SAN domains
- www.mzk.cz
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: none · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 10 · H3 0
Links
197 internal · 37 external · 1 broken
Images
98 total · 0 missing alt
Scripts / Styles
48 scripts · 27 stylesheets
JS / CSS size
318 KB · 37.4 KB
Page size
201 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 34
- sitemap.xml
- Found
- URLs in sitemap
- -1
SEO issues
- Missing meta description
- No structured data (JSON-LD) found
- Missing OpenGraph tags
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://mzk.cz
- Final URL
- https://www.mzk.cz/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 629 ms
- HTML size
- 201 KB
- Redirect chain
- https://mzk.cz → https://www.mzk.cz/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does mzk.cz use?
- mzk.cz is built with PHP, Drupal, jQuery.
- Is mzk.cz secure (HTTPS)?
- Yes. mzk.cz uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 23, 2026.
- Who hosts mzk.cz?
- mzk.cz is hosted on CESNET2 - CESNET z.s.p.o., CZ.
- What is mzk.cz's SEO score?
- mzk.cz scored 75/100 for SEO in the latest analysis (fair).
- What is mzk.cz's overall website score?
- mzk.cz has an overall SiteGraph score of 90/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card