StackOptic
Back to Search
koofr.eu favicon

koofr.eu

https://koofr.eu· First analyzed 24 May 2026· Updated 24 May 2026
Export
koofr.eu
Desktop screenshot of koofr.eu
Mobile screenshot of koofr.eu
Mobile

Sponsored

Hosting Provider

Hetzner
hetzner.com

IP Address

88.99.227.220

Site Location

🇩🇪 Germanyvia ip

Server Location

🇩🇪 Nuremberg, Germany

ASN

AS24940

Organization

Hetzner

Server

Apache

Nameservers

robotns3.second-ns.com.ns1.first-ns.de.robotns2.second-ns.de.

Performance

100

Core Web Vitals

Weight

First Contentful Paint
568 ms10%
Speed Index
738 ms10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
436 KB
38 requests
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Infrastructure
Hosting
Hetzner

Technology Stack

4 Technologies Detected

Libraries

1
jQueryv1.12.3

Other

1
Modernizr

CSS Frameworks

1
Tailwind CSS

Web Servers

1
Apache

SEO Analysis

B77/100
25
3
0
Meta Tags7/15
Content12/12
Headings8/8
Technical23/25
E-E-A-T5/7
Images0/7
Links5/5
URL5/5
Social5/5
Freshness0/4
Mobile4/4
Indexability3/3
K
koofr.eukoofr.eu

Koofr - One storage for all.

Koofr is a safe and reliable European cloud storage that respects your privacy. Save and access files from any device. Automatically backup files from your p...

Description truncated.
Title Length28 chars

Recommended: 50-60 chars (~169px / 580px)

Description Length220 chars

Recommended: 120-160 chars

Issues (0)

    3 issues found

    Upgrade to view details

    Crawlability

    Sitemap

    Type: standard

    765 URLs

    robots.txt

    8 rules

    Allows all crawlers

    Local SEO

    Local Search Readiness

    27/100
    Needs Work
    7 11

    Sponsored

    AI & LLM Readiness

    D45/100
    Bot Access
    20/25
    Machine Read.
    10/25
    Schema Data
    3/25
    Citation
    12/25

    AI Bot Access

    14/14 accessible
    AI Search
    OAI-SearchBot
    PerplexityBot
    Claude-SearchBot
    Gemini-Deep-Research
    DuckAssistBot
    Training
    GPTBot
    ClaudeBot
    Google-Extended
    Meta-ExternalAgent
    Bytespiderinfo
    Amazonbot
    Applebot-Extended
    CCBotinfo
    Fetch
    ChatGPT-User

    Machine Readability

    llms.txt
    llms-full.txt
    Semantic HTML
    Heading Hierarchy
    nav
    Text ratio:13%
    Words:502
    Token eff.:Optimal
    Sections/1K:15.9
    Depth:1/5

    Structured Data

    1 JSON-LD
    Organization×1.1
    sameAs entity links

    Citation Readiness

    Opening Summary14w
    Descriptive Headingsavg 1.8w
    Canonical URL
    Open Graph3/3
    Twitter Card3/3
    Language Tag
    Publish Date
    Author Info
    Lists
    Tables
    TL;DR / Summary
    About Page Link
    Recommendations (8)
    AI readiness recommendation preview...
    Upgrade to view recommendations

    Sponsored

    Accessibility

    WCAG 2.1 Compliance

    Evaluates how accessible your website is for users with disabilities, based on WCAG 2.1 guidelines. Checks images, forms, keyboard navigation, ARIA roles, and color contrast.
    B
    74/100
    9
    Passed
    4
    Critical
    0
    Warnings
    Images & Alt Text
    20/20
    Checks if images have descriptive alt text for screen readers and visually impaired users.
    Semantic Structure
    13/20
    Evaluates proper use of HTML5 semantic elements (header, nav, main, footer) and heading hierarchy.
    Forms & Inputs
    15/15
    Verifies form fields have labels, error messages are clear, and inputs are properly associated.
    Color & Contrast
    15/15
    Tests text-to-background color contrast ratios against WCAG AA/AAA minimum requirements.
    Keyboard & Focus
    7/15
    Ensures all interactive elements are reachable and operable via keyboard (tab, enter, escape).
    ARIA & Roles
    4/15
    Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.
    1 recommendation
    • •Accessibility recommendation preview...
    Upgrade to view recommendations

    Carbon Footprint

    SWDM v4 · Eco-Score

    Carbon emissions estimated using the Sustainable Web Design Model v4 (SWDM v4). Factors in data center, network, and device energy across new and returning visitors. Grade thresholds based on HTTP Archive percentiles.
    71/100
    A
    44 mg
    CO₂e / view
    436.2 KB
    Page Weight
    90%
    Cleaner Than
    New Visitor
    50 mg
    vs
    Returning (cached)
    25 mg
    Annual (10K/mo)
    5.3 kg
    Emission Segments
    Data Center
    2 mg
    Network
    13 mg
    Device
    29 mg
    Resource Breakdown
    JavaScript
    43.7 KB
    Images
    75.3 KB
    CSS
    312.2 KB
    HTML
    5.0 KB
    Green Hosting Verified
    Hetzner Online GmbH
    GWF Verified
    2 recommendations
    • •Carbon footprint recommendation preview...
    Upgrade to view recommendations
    A+

    Security Score

    91%Excellent
    Static / Informational

    HTTPS

    No WAF

    51d

    Certificate Details

    Type

    Domain Validated (DV)

    Certificate Authority

    Let's Encrypt

    Key Algorithm

    RSA (2048 bit)

    Signature

    SHA-256 with RSA

    TLS Version

    TLSv1.2

    HTTP Protocol

    HTTP/1.1

    Valid From

    15.04.2026

    Valid Until

    14.07.2026

    Subject Alternative Names (20)

    app.koofr.eublog.koofr.eublog.koofr.siedih.koofr.sikofer.sikofr.sikoofr.eukoofr.net+12 more

    SHA-256 Fingerprint

    6F:36:BA:B6:57:84:06:9A:70:D0:4B:2B:19:92:5E:EF:BA:1F:B4:77...

    Recommendations

    Security recommendation preview

    Upgrade to view recommendations
    Upgrade to view header details

    HTTP Headers

    Developer Console

    accept-ranges
    bytes
    connection
    Keep-Alive
    content-encoding
    📦 Gzip(gzip)
    content-length
    4780
    content-security-policy
    default-src 'self' 'unsafe-inline' 'unsafe-eval' app.koofr.n...
    content-type
    text/html
    Good Warning Issue

    Email Infrastructure

    Custom Mail Server

    Score

    55

    SPF
    DKIM
    DMARC

    DMARC Policy

    Reject (Strictest)

    Domain Information

    koofr.eu

    DNSSEC
    Not Enabled

    Privacy & Compliance

    Cookie Consent Banner
    Privacy Policy
    Terms of Service

    GDPR Indicators

    Privacy policy page linked

    Mobile Compatibility

    Viewport & Responsive Test

    Tests how well your website works on mobile devices. Checks viewport configuration, responsive layout, touch targets, font readability, and simulates rendering across different screen sizes.
    D
    57/100
    Mobile Friendly
    Viewport Meta
    The viewport meta tag tells mobile browsers how to scale the page. Without it, mobile devices render at desktop width.
    Responsive Design
    Uses CSS media queries or flexible layouts to adapt content to different screen sizes automatically.
    Touch Icons
    Apple touch icons and favicons displayed when users add the site to their home screen on mobile devices.
    Readable Font Size
    Base font size should be at least 16px on mobile to ensure text is readable without zooming.
    Relative Units
    Using em, rem, %, or vw instead of fixed px values allows content to scale properly across screen sizes.
    No H-Scroll Risk
    No elements wider than the viewport that would cause horizontal scrolling on mobile devices.
    Tap Targets OK
    Interactive elements (buttons, links) are at least 48x48px with enough spacing to prevent accidental taps.
    No Fixed Widths
    No elements with fixed pixel widths that could overflow on smaller screens and break the layout.
    Viewport
    width=device-width, initial-scale=1
    3 recommendations
    • •Mobile compatibility recommendation preview...
    Upgrade to view recommendations

    Typography & Readability

    Open Sans

    WCAG Partial
    75/100
    Readability
    /30
    23/30

    18px · LH 1.56

    Hierarchy
    /20
    19/20

    3.56x ratio · ✓ H1→H6

    WCAG
    /25
    15/25

    3.7:1 min contrast

    Performance
    /25
    18/25

    1 font · 5 req

    Heading Font

    Open Sans

    Sans64px

    Body Font

    Open Sans

    Sans18px

    Contrast Ratio

    3.7:1

    2 issues

    Reading Comfort

    ~41 CPL

    Narrow lines
    64px
    h1
    44px
    h2
    30px
    h3
    18px
    p

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

    ✅ Optimal line spacing: 1.56 ratio (ideal range 1.4–1.6).

    ⚠️ Partial contrast: 2 elements below WCAG AA threshold (min 3.7:1).

    ✅ Perfect heading hierarchy: Sequential h1→h2→h3 with single H1 — ideal for SEO & accessibility.

    ✅ Strong hierarchy: Headlines are 3.6x larger than body text.

    ❌ Pure vw font sizes: Viewport units alone break browser zoom (WCAG 1.4.4 fail). Use clamp(rem, vw, rem).

    Buy on MyFontsFlesch 55

    Color Palette

    9 unique colors
    3.47:1 AA Large Light
    #ffffff
    Background· 87.30000000000001%
    #848b8d
    Other· 1.7%
    #12263c
    Primary· 2.8%
    #ebefef
    Secondary· 2%
    #3b536a
    Secondary· 1.1%
    #d3cebc
    Secondary· 1.1%
    #7caea1
    Secondary· 0.7%

    Sponsored

    Scripts & Styles

    5 Resources

    4
    Scripts
    1
    Styles
    0
    Async
    0
    Defer

    Top Script Sources

    local(4)

    Website Identity

    Koofr

    Organization
    Location detected: 🇩🇪 Germanyvia ip
    en

    Sponsored

    Last analyzed: 24 May 2026 at 08:02

    Historical Analysis & Change Tracking