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uni-duesseldorf.de

https://uni-duesseldorf.de· First analyzed 19 Feb 2026· Updated 19 Feb 2026
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uni-duesseldorf.de

Sponsored

Hosting Provider

IP Address

134.99.128.238

Server Location

🇩🇪 Düsseldorf, Germany

ASN

AS680

Organization

Unid LAN

Server

Apache

Nameservers

dns-1.dfn.de.dns-2.dfn.de.sirene.rz.uni-duesseldorf.de.selene.rz.uni-duesseldorf.de.+1 more

Performance

Page Speed

5.4 MB
41 requests

Image Optimization

Responsive
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
TYPO3

Technology Stack

11 Technologies Detected

CSS Frameworks

2

Frameworks

1

Meta Frameworks

1

Libraries

1

Other

1

Icon Libraries

1

Analytics

1

Web Servers

1

SEO Analysis

B74/100
9
4
0
U
uni-duesseldorf.deuni-duesseldorf.de

HHU

Die Heinrich-Heine-Universität Düsseldorf ist eine der jüngeren Hochschulen des Landes NRW – gegründet 1965. Seit 1988 trägt die Universität den Namen des gr...

Description truncated.
Title Length3 chars

Recommended: 50-60 chars

Description Length179 chars

Recommended: 120-160 chars

Issues (0)

    Crawlability

    Sitemap
    robots.txt

    33 rules

    Sponsored

    Sponsored

    F

    Security Score

    31%Critical
    Interactive

    HTTPS

    No WAF

    335d

    Certificate Details

    Type

    Organization Validated (OV)

    Certificate Authority

    Hellenic Academic and Research Institutions CA

    Key Algorithm

    ECDSA (secp256r1) (256 bit)

    Signature

    ECDSA with SHA-384

    TLS Version

    TLSv1.2

    HTTP Protocol

    HTTP/1.1

    Valid From

    21.01.2026

    Valid Until

    21.01.2027

    OCSP Stapling

    Enabled

    Subject Alternative Names (20)

    hhu.dewww.hera.hhu.dewww.gffu.hhu.decedus.hhu.dewww.science-fight.hhu.dehaus-der-universitaet.hhu.dewww.sbv.hhu.dewww.igrad.hhu.de+12 more

    SHA-256 Fingerprint

    21:F6:C6:CB:FD:0A:CE:E6:2C:7E:10:F8:F2:92:0E:96:A8:8C:56:CC...

    Top Recommendations

    Security recommendation preview

    HTTP Headers

    Developer Console

    age
    192
    cache-control
    🟡 3405s(max-age=3405)
    connection
    Keep-Alive
    content-encoding
    📦 Gzip(gzip)
    content-language
    de-DE
    content-length
    62246
    Good Warning Issue

    Email Infrastructure

    Custom Mail Server

    Score

    70

    SPF
    DKIM
    DMARC

    DMARC Policy

    None (Monitor Only)

    MX Records (3)

    b2881.mx.srv.dfn.de
    a2881.mx.srv.dfn.de
    c2881.mx.srv.dfn.de

    Domain Information

    uni-duesseldorf.de

    Last Updated

    09.01.2020

    DNSSEC
    Not Enabled

    Privacy & Compliance

    Cookie Consent Banner
    Privacy Policy
    Terms of Service

    GDPR Indicators

    Privacy policy page linked

    Typography & Readability

    Lato

    81/100
    Readability
    /30
    40/40

    18px · LH 1.50

    Hierarchy
    /20
    18/25

    2.22x ratio

    WCAG
    /25
    15/15

    Contrast: undefined

    Performance
    /25
    13/20

    1 font

    Heading Font

    Lato

    Sans40px

    Body Font

    Lato

    Sans18px

    Contrast Ratio

    --

    Reading Comfort

    ~39 CPL

    Needs attention
    40px
    h1
    40px
    h2
    28px
    h3
    18px
    p

    ✅ Excellent readability: 18px body text is ideal for all devices.

    ✅ Optimal line spacing: 1.50 ratio ensures comfortable reading.

    ✅ Strong hierarchy: Headlines are 2.2x larger than body text.

    ✅ Good performance: Using 1 font families keeps load times fast.

    ✅ Consistent design: Single font family with weight variations is a modern best practice.

    ✅ Protected text on images: Using text-shadow for readability.

    Business & Marketing Stack

    2 Tools Detected

    Growing

    Behavior Analytics

    2

    User behavior and product analytics

    1

    Categories

    2

    Total Tools

    0

    Enterprise

    1

    Mid-Market

    Assessment: Growing marketing technology adoption

    Sponsored

    Scripts & Styles

    20 Resources

    11
    Scripts
    9
    Styles
    2
    Async
    0
    Defer

    Top Script Sources

    local(10)matomo.hhu.de(1)

    Sponsored

    Last analyzed: 19 Feb 2026 at 21:22

    Historical Analysis & Change Tracking