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stiebel-eltron.de

https://stiebel-eltron.de· First analyzed 07 May 2026· Updated 07 May 2026
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stiebel-eltron.de
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Mobile

Sponsored

Hosting Provider

Stiebel Eltron GmbH & Co.

IP Address

217.13.71.1

Site Location

🇩🇪 Holzminden, Germanyvia schema_nap

Server Location

🇩🇪 Lengede, Germany

ASN

AS24956

Organization

Stiebel Eltron GmbH & Co.

Server

Apache

Nameservers

ns2.waaf.net.ns1.waaf.net.ns3.waaf.net.dns.wn-dns.de.

Performance

83

Core Web Vitals

Weight

First Contentful Paint
1.9 s10%
Speed Index
2.5 s10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
18.2 MB
50 requests

Image Optimization

Lazy LoadWebPResponsive
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Frontend
Styling
Tailwind CSS
CMS
Adobe Experience Manager
Infrastructure
Hosting
Stiebel Eltron GmbH & Co.

Technology Stack

6 Technologies Detected

Other

1
GSAPv3.14.1

UI Components

1
Swiper

CSS Frameworks

1
Tailwind CSS

Tag Managers

1
Google Tag Manager

Analytics

1
Matomo

Web Servers

1
Apachev2.4.52

SEO Analysis

B75/100
22
7
0
Meta Tags12/15
Content8/12
Headings8/8
Technical22/25
E-E-A-T2/7
Images6/7
Links5/5
URL5/5
Social3/5
Freshness0/4
Mobile1/4
Indexability3/3
S
stiebel-eltron.destiebel-eltron.de

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Title Length39 chars

Recommended: 50-60 chars (~239px / 580px)

Description Length141 chars

Recommended: 120-160 chars

Issues (0)

    7 issues found

    Upgrade to view details

    Crawlability

    Sitemap

    Type: index

    1 URLs

    1 sub-sitemaps

    robots.txt

    9 rules

    Sitemap reference found

    Local SEO

    Local Search Readiness

    31/100
    Needs Work
    8 13

    Sponsored

    AI & LLM Readiness

    D52/100
    Bot Access
    20/25
    Machine Read.
    12/25
    Schema Data
    7/25
    Citation
    13/25

    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.txtinvalid
    llms-full.txt
    Semantic HTML
    Heading Hierarchy
    nav
    Text ratio:3%
    Words:1,886
    Token eff.:Optimal
    Depth:1/5

    Structured Data

    2 JSON-LD
    Organization×1.1WebSiteSearchAction
    sameAs entity links

    Citation Readiness

    Opening Summary27w
    Descriptive Headings
    Canonical URL
    Open Graph3/3
    Twitter Card0/3
    Language Tag
    Publish Date
    Author Info
    Lists
    Tables
    TL;DR / Summary
    About Page Link
    Recommendations (10)
    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.
    A+
    92/100
    16
    Passed
    0
    Critical
    1
    Warnings
    Images & Alt Text
    20/20
    Checks if images have descriptive alt text for screen readers and visually impaired users.
    Semantic Structure
    20/20
    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
    15/15
    Ensures all interactive elements are reachable and operable via keyboard (tab, enter, escape).
    ARIA & Roles
    7/15
    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.
    40/100
    F
    1.88 g
    CO₂e / view
    18.2 MB
    Page Weight
    5%
    Cleaner Than
    New Visitor
    2.15 g
    vs
    Returning (cached)
    1.08 g
    Annual (10K/mo)
    226.0 kg
    Emission Segments
    Data Center
    92 mg
    Network
    553 mg
    Device
    1.24 g
    Resource Breakdown
    JavaScript
    543.9 KB
    Images
    979.8 KB
    CSS
    74.7 KB
    Fonts
    72.1 KB
    HTML
    21.3 KB
    Other
    16.6 MB
    Green Hosting Verified
    Gärtner Datensysteme GmbH & Co. KG
    GWF Verified
    8 recommendations
    • •Carbon footprint recommendation preview...
    Upgrade to view recommendations
    A+

    Security Score

    93%Excellent
    Static / Informational

    HTTPS

    No WAF

    121d

    Certificate Details

    Type

    Domain Validated (DV)

    Certificate Authority

    Unizeto Technologies S.A.

    Key Algorithm

    RSA (2048 bit)

    Signature

    SHA-256 with RSA

    TLS Version

    TLSv1.3

    HTTP Protocol

    HTTP/1.1

    Valid From

    05.09.2025

    Valid Until

    05.09.2026

    OCSP Stapling

    Enabled

    Subject Alternative Names (4)

    stiebel-eltron.destiebel-eltron.com*.stiebel-eltron.com*.stiebel-eltron.de

    SHA-256 Fingerprint

    FC:04:01:CF:99:9C:17:AB:C4:29:D8:84:A1:D9:6E:2D:DF:24:ED:6A...

    Recommendations

    Security recommendation preview

    Upgrade to view recommendations
    Upgrade to view header details

    HTTP Headers

    Developer Console

    accept-ranges
    bytes
    age
    45820
    cache-control
    🔴 No Cache(no-store, no-cache, must-revalidate, post-check=0, pre-check...)
    content-encoding
    📦 Gzip(gzip)
    content-length
    21486
    content-security-policy
    default-src 'self' blob: http: https: wss://bot.moin.ai/prim...
    Good Warning Issue

    Email Infrastructure

    Microsoft 365

    Score

    95

    SPF
    DKIM
    DMARC

    DMARC Policy

    Reject (Strictest)

    MX Records (1)

    stiebeleltron-de01i.mail.protection.outlook.com

    Domain Information

    stiebel-eltron.de

    Last Updated

    15.04.2025

    DNSSEC
    Not Enabled

    Privacy & Compliance

    Usercentrics

    Cookie Consent Banner
    Usercentrics
    Privacy Policy
    Terms of Service

    GDPR Indicators

    Cookie consent banner detected
    CMP: Usercentrics
    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.
    C
    62/100
    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

    F2FOCRBczykW02-Regular + STEInfoText

    WCAG AA
    81/100
    Readability
    /30
    23/30

    16px · LH 1.50

    Hierarchy
    /20
    17/20

    3.25x ratio · ✓ H1→H6

    WCAG
    /25
    23/25

    6.6:1 min contrast

    Performance
    /25
    18/25

    2 fonts · 5 req

    Heading Font

    F2FOCRBczykW02-Regular

    Sans52px

    Body Font

    STEInfoText

    Sans16px

    Contrast Ratio

    6.6:1

    WCAG AA (≥4.5:1)

    Reading Comfort

    ~39 CPL

    Narrow lines
    52px
    h1
    40px
    h2
    32px
    h3
    16px
    p

    ✅ Excellent readability: 16px body text is ideal for all devices.

    ✅ Optimal line spacing: 1.50 ratio (ideal range 1.4–1.6).

    ❌ Very complex text: Flesch score 26/100. Consider shorter sentences and simpler words.

    ✅ WCAG AA contrast: All text meets 4.5:1 ratio (min 6.6:1).

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

    ✅ Strong hierarchy: Headlines are 3.2x larger than body text.

    Buy on MyFontsFluid Type (rem)Flesch 26

    Color Palette

    7 unique colors
    8.59:1 AAA Dark
    #4c4c4c
    Other· 69.69999999999999%
    #ffffff
    Background· 21%
    #220d12
    Primary· 2.7%
    #5e3c43
    Secondary· 0.4%

    Business & Marketing Stack

    2 Tools Detected

    Growing

    Behavior Analytics

    2
    Google Tag ManagerFree
    Google AnalyticsFree

    User behavior and product analytics

    1

    Categories

    2

    Total Tools

    0

    Enterprise

    0

    Mid-Market

    Assessment: Growing marketing technology adoption

    Sponsored

    Scripts & Styles

    19 Resources

    18
    Scripts
    1
    Styles
    12
    Async
    7
    Defer

    Top Script Sources

    web.cmp.usercentrics.eu(8)cdn.jsdelivr.net(5)youtube.com(2)stiebel-eltron.containers.piwik.pro(2)local(1)

    Website Identity

    STIEBEL ELTRON GmbH & Co. KG

    STIEBEL ELTRON GmbH & Co. KG

    Organization
    +495531702710
    www.stiebel-eltron.de/

    Dr.-Stiebel-Straße 33, Holzminden

    37603, Holzminden

    DE

    Location detected: 🇩🇪 Germany, Holzmindenvia schema_nap
    📧 Microsoft 365de

    Sponsored

    Last analyzed: 07 May 2026 at 02:33

    Historical Analysis & Change Tracking

    stiebel-eltron.de Technology Stack - Built With GSAP, Swiper, Tailwind CSS, Google Tag Manager, Matomo | StackOptic | StackOptic