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lehmannaudio.com

https://lehmannaudio.com· First analyzed 03 Jun 2026· Updated 03 Jun 2026
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lehmannaudio.com
Desktop screenshot of lehmannaudio.com
Mobile screenshot of lehmannaudio.com
Mobile

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Hosting Provider

Host Europe GmbH

IP Address

92.205.54.107

Site Location

🇫🇷 Francevia ip

Server Location

🇫🇷 Strasbourg, France

ASN

AS21499

Organization

Host Europe GmbH

Server

Nginx

Nameservers

ns04.domaincontrol.com.ns03.domaincontrol.com.

Performance

99

Core Web Vitals

Weight

First Contentful Paint
822 ms10%
Speed Index
1.1 s10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
5 MB
33 requests
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Frontend
Styling
Bootstrap
Infrastructure
Hosting
Host Europe GmbH

Technology Stack

3 Technologies Detected

CSS Frameworks

2
Bootstrap
Tailwind CSS

Web Servers

1
Nginx

SEO Analysis

C67/100
19
9
0
Meta Tags11/15
Content12/12
Headings6/8
Technical16/25
E-E-A-T3/7
Images4/7
Links5/5
URL5/5
Social0/5
Freshness0/4
Mobile2/4
Indexability3/3
L
lehmannaudio.comlehmannaudio.com

Lehmannaudio – Music to your ears

Award-winning High-End Audio Headphone Amplifiers, Phono Stages and Power Amplifiers made in Germany with international excellent test results. Convince your...

Description truncated.
Title Length33 chars

Recommended: 50-60 chars (~205px / 580px)

Description Length191 chars

Recommended: 120-160 chars

Issues (0)

    9 issues found

    Upgrade to view details

    Crawlability

    Sitemap

    Type: standard

    908 URLs

    robots.txt

    16 rules

    Sitemap reference found

    Local SEO

    Local Search Readiness

    6/100
    Poor
    2 13 2

    This site doesn't appear to be a local business. Local SEO signals are optional for non-local websites.

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    AI & LLM Readiness

    D43/100
    Bot Access
    20/25
    Machine Read.
    13/25
    Schema Data
    0/25
    Citation
    10/25

    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
    Text ratio:19%
    Words:807
    Token eff.:Optimal
    Sections/1K:18.6

    Structured Data

    No Schema

    Citation Readiness

    Opening Summary22w
    Descriptive Headingsavg 19.9w
    Canonical URL
    Open Graph0/3
    Twitter Card0/3
    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.
    C
    69/100
    10
    Passed
    3
    Critical
    1
    Warnings
    Images & Alt Text
    20/20
    Checks if images have descriptive alt text for screen readers and visually impaired users.
    Semantic Structure
    14/20
    Evaluates proper use of HTML5 semantic elements (header, nav, main, footer) and heading hierarchy.
    Forms & Inputs
    5/15
    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
    9/15
    Ensures all interactive elements are reachable and operable via keyboard (tab, enter, escape).
    ARIA & Roles
    6/15
    Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.
    2 recommendations
    • •Accessibility recommendation preview...
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    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.
    16/100
    F
    639 mg
    CO₂e / view
    5.0 MB
    Page Weight
    15%
    Cleaner Than
    New Visitor
    730 mg
    vs
    Returning (cached)
    365 mg
    Annual (10K/mo)
    76.6 kg
    Emission Segments
    Data Center
    143 mg
    Network
    153 mg
    Device
    343 mg
    Resource Breakdown
    JavaScript
    49.8 KB
    Images
    4.8 MB
    CSS
    162.5 KB
    HTML
    7.7 KB
    Green Hosting Not Verified
    Host Europe GmbH
    7 recommendations
    • •Carbon footprint recommendation preview...
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    F

    Security Score

    21%Critical
    Interactive

    HTTPS

    No WAF

    99d

    Certificate Details

    Type

    Domain Validated (DV)

    Certificate Authority

    Starfield Technologies, Inc.

    Key Algorithm

    RSA (2048 bit)

    Signature

    SHA-256 with RSA

    TLS Version

    TLSv1.3

    HTTP Protocol

    HTTP/2

    Valid From

    10.09.2025

    Valid Until

    10.09.2026

    OCSP Stapling

    Enabled

    Subject Alternative Names (2)

    *.lehmannaudio.comlehmannaudio.com

    SHA-256 Fingerprint

    AF:88:27:29:55:8E:61:18:FC:42:CF:B2:74:71:B2:95:66:36:F4:07...

    Top Recommendations

    Security recommendation preview

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    Upgrade to view header details

    HTTP Headers

    Developer Console

    cache-control
    🔴 No Cache(no-store, no-cache, must-revalidate)
    content-encoding
    📦 Gzip(gzip)
    content-type
    text/html; charset=UTF-8
    date
    Wed, 03 Jun 2026 06:35:41 GMT
    expires
    Thu, 19 Nov 1981 08:52:00 GMT
    pragma
    no-cache
    Good Warning Issue

    Email Infrastructure

    Microsoft 365

    Score

    70

    SPF
    DKIM
    DMARC

    DMARC Policy

    None (Monitor Only)

    MX Records (1)

    lehmannaudio-com.mail.protection.outlook.com

    Domain Information

    lehmannaudio.com

    Domain Age
    24y 9m

    Created

    30.08.2001

    Expires

    30.08.2026

    Last Updated

    29.08.2025

    Registrar

    Mesh Digital Limited

    DNSSEC
    Not Enabled

    Privacy & Compliance

    Cookiebot

    Cookie Consent Banner
    Cookiebot
    Privacy Policy
    Terms of Service

    GDPR Indicators

    Cookie consent banner detected
    CMP: Cookiebot
    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
    68/100
    Mobile Friendly1 breakpoint
    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
    1 recommendation
    • •Mobile compatibility recommendation preview...
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    Typography & Readability

    Titillium Web

    WCAG Partial
    57/100
    Readability
    /30
    16/30

    13px · LH 1.35

    Hierarchy
    /20
    14/20

    4.16x ratio

    WCAG
    /25
    12/25

    1:1 min contrast

    Performance
    /25
    15/25

    1 font · 3 req

    Heading Font

    Titillium Web

    Sans52px

    Body Font

    Titillium Web

    Sans13px

    Contrast Ratio

    1:1

    22 issues

    Reading Comfort

    ~40 CPL

    Narrow lines
    52px
    h1
    34px
    h2
    18px
    h3
    13px
    p

    ❌ Critical: 12px body text is too small. Minimum 14px, recommend 16px+.

    ⚠️ Tight line spacing (1.35). Increase to 1.4–1.6 for better readability.

    ⚠️ Partial contrast: 22 elements below WCAG AA threshold (min 1.0:1).

    ⚠️ Minor heading issue: 0 level skip(s) detected. Maintain sequential order for screen readers.

    ✅ Strong hierarchy: Headlines are 4.2x 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 MyFonts

    Color Palette

    5 unique colors
    2.73:1 Fail Dark
    #000000
    Background· 38.300000000000004%
    #535352
    Text· 5.1%

    Business & Marketing Stack

    1 Tools Detected

    Growing

    Behavior Analytics

    1
    Google AnalyticsFree

    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

    7 Resources

    5
    Scripts
    2
    Styles
    0
    Async
    0
    Defer

    Top Script Sources

    lehmannaudio.com(4)local(1)

    Website Identity

    lehmannaudio.com

    24 years old
    Location detected: 🇫🇷 Francevia ip
    Mesh Digital Limited📧 Microsoft 365en

    Sponsored

    Last analyzed: 03 Jun 2026 at 06:35

    Historical Analysis & Change Tracking