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.

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.

Has cuni.cz's score changed over time?

cuni.cz's overall score has stayed steady at 72/100 since Jul 21, 2026.

cuni.cz

Univerzita Karlova

Last scanned Jul 29, 2026, 5:00 PM · 12 views

Overall score

Fair

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.

Top issues to fix

13 issues found · 4 high priority

Missing Content-Security-Policy header
Security
Add a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing meta description
SEO
Add a ~150-character meta description to control your search-result snippet and lift click-through rate.
No H1 heading found
SEO
Add 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
Accessibility
Add alt attributes to images — screen readers depend on them, and they help image SEO.
TLS certificate expires in 26 days
Security
Renew soon or enable auto-renewal to avoid a browser-warning outage.
Missing X-Content-Type-Options header
Security
Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.

+7 more issues — details in the sections below.

SEO

6 issue(s) found

100

Performance

969 ms

Security

HTTPS & header checks

Accessibility

2 issue(s) found

Score history

0 overall since Jul 21, 2026

Overall: 72
SEO: 55
Security: 75
Performance: 100
Accessibility: 60

Organization

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

YouTube YouTube Instagram Facebook YouTube

Contact

Email, phone, and address published on this site's own pages.

Email: info@cuni.cz pr@cuni.cz uk@cuni.cz

Technologies

Detected frameworks, languages, and tools.

PHP jQuery Nginx

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: 26
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 · 20 broken

Images

28 total · 23 missing alt

Scripts / Styles

8 scripts · 2 stylesheets

JS / CSS size

783 B · 0 B

Page size

63.0 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

Scan details

Requested URL: https://cuni.cz
Final URL: https://cuni.cz
HTTP status: 200
HTTP version: HTTP/2
Response time: 968 ms
HTML size: 63.0 KB
Redirect chain: https://cuni.cz

See something wrong on this report? Request a correction

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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.
Has cuni.cz's score changed over time?: cuni.cz's overall score has stayed steady at 72/100 since Jul 21, 2026.