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cuni.cz

https://cuni.cz· First analyzed 13 Feb 2026· Updated 13 Feb 2026
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cuni.cz
Desktop screenshot of cuni.cz
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Mobile

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Hosting Provider

IP Address

195.113.89.54

Server Location

🇨🇿 Prague, Czechia

ASN

AS2852

Organization

Charles University

Server

Nginx

Nameservers

nsa.ces.net.david.ruk.cuni.cz.cuce.ruk.cuni.cz.golias.ruk.cuni.cz.

Performance

Page Speed

5.7 MB
57 requests

Image Optimization

Lazy Load
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Infrastructure
Hosting
Charles University

Technology Stack

4 Technologies Detected

CSS Frameworks

1

Web Servers

1

SEO Analysis

D41/100
8
3
3
C
cuni.czcuni.cz

Univerzita Karlova

No description available for this page.

Title Length18 chars

Recommended: 50-60 chars

Description Length0 chars

Recommended: 120-160 chars

Issues (3)

  • Missing meta description - important for click-through rates
  • Missing H1 tag - every page should have one H1
  • Many images missing alt text (27/31)

Crawlability

Sitemap

Type: standard

681 URLs

robots.txt

2 rules

Allows all crawlers

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F

Security Score

36%Critical
Interactive

HTTPS

No WAF

193d

Certificate Details

Type

Organization Validated (OV)

Certificate Authority

Hellenic Academic and Research Institutions CA

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

25.08.2025

Valid Until

25.08.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

www.cuni.czcuni.cz

SHA-256 Fingerprint

B6:41:5F:0C:8E:07:C7:3B:4D:D8:83:FA:71:11:7E:CA:F2:5C:5E:58...

Top Recommendations

Security recommendation preview

HTTP Headers

Developer Console

cache-control
🔴 No Cache(no-store, no-cache, must-revalidate)
content-type
text/html; charset=UTF-8
date
Fri, 13 Feb 2026 04:22:10 GMT
expires
Thu, 19 Nov 1981 08:52:00 GMT
pragma
no-cache
server
nginx
Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

98

SPF
DKIM
DMARC

DMARC Policy

Quarantine (Moderate)

MX Records (2)

ag1.cesnet.cz
ag2.cesnet.cz

Domain Information

cuni.cz

Domain Age
29y 11m

Created

10.03.1996

Expires

09.10.2034

Last Updated

31.12.2024

Registrar

REG-INTERNET-CZ

DNSSEC
Not Enabled

Privacy & Compliance

Cookiebot

Cookie Consent Banner
Cookiebot
Privacy Policy
Terms of Service

GDPR Indicators

Cookie consent banner detected
CMP: Cookiebot
Data Protection Officer mentioned

Typography & Readability

silkabold + -apple-system

73/100
Readability
/30
40/40

24px · LH 1.60

Hierarchy
/20
8/25
WCAG
/25
15/15

Contrast: undefined

Performance
/25
17/20

System fonts

Heading Font

silkabold

Sans

Body Font

-apple-system

Sans24px

Contrast Ratio

--

Reading Comfort

~41 CPL

Needs attention
46px
h2
21px
h3
20px
h4
24px
p

✅ Excellent readability: 24px body text is ideal for all devices.

✅ Optimal line spacing: 1.60 ratio ensures comfortable reading.

✅ Excellent performance: System fonts eliminate font loading delays (better LCP).

✅ Smart font loading: Using font-display: swap prevents invisible text during load.

⚠️ Cramped layout: 43 elements lack adequate spacing.

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

1

User behavior and product analytics

1

Categories

1

Total Tools

0

Enterprise

0

Mid-Market

Assessment: Growing marketing technology adoption

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Scripts & Styles

8 Resources

6
Scripts
2
Styles
0
Async
0
Defer

Top Script Sources

local(6)

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Last analyzed: 13 Feb 2026 at 04:22

Historical Analysis & Change Tracking