cuni.cz
Univerzita Karlova
Last scanned Jul 21, 2026, 12:33 PM · 2 views
Overall score
Fair
Top issues to fix
12 issues found · 4 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 H1 heading found
SEOAdd exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.
Over half of images are missing alt text
AccessibilityAdd alt attributes to images — screen readers depend on them, and they help image SEO.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
+6 more issues — details in the sections below.
Summary
This website uses Nginx. SEO is fair (55/100) and accessibility is fair (60/100). Security scores good (75/100) and performance excellent (100/100). Top issue: Missing meta description.
SEO
6 issue(s) found
Performance
975 ms
Security
HTTPS & header checks
Accessibility
2 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
- Univerzita Karlova
- Description
- Canonical
- Language
- en
- 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
- Hellenic Academic and Research Institutions CA
- Subject
- www.cuni.cz
- Valid from
- Aug 25, 2025
- Valid to
- Aug 25, 2026
- Days until expiry
- 34
- SAN domains
- www.cuni.cz, cuni.cz
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 1 cookie(s) observed
Content & assets
Headings
H1 0 · H2 2 · H3 4
Links
149 internal · 56 external · 17 broken
Images
27 total · 22 missing alt
Scripts / Styles
8 scripts · 2 stylesheets
JS / CSS size
783 B · 0 B
Page size
62.6 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing meta description
- Missing canonical link
- No H1 heading found
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- Over half of images are missing alt text
- No H1 heading found
Scan details
- Requested URL
- https://cuni.cz
- Final URL
- https://cuni.cz
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 974 ms
- HTML size
- 62.6 KB
- Redirect chain
- https://cuni.cz
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Frequently asked questions
- What technology does cuni.cz use?
- cuni.cz is built with PHP, jQuery, Nginx.
- Is cuni.cz secure (HTTPS)?
- Yes. cuni.cz uses TLS 1.3 with a certificate issued by Hellenic Academic and Research Institutions CA, valid until Aug 25, 2026.
- Who hosts cuni.cz?
- Hosting provider information for cuni.cz is not available yet.
- What is cuni.cz's SEO score?
- cuni.cz scored 55/100 for SEO in the latest analysis (fair).
- What is cuni.cz's overall website score?
- cuni.cz has an overall SiteGraph score of 72/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card