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leuze.com

https://leuze.com· First analyzed 09 May 2026· Updated 09 May 2026
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leuze.com
Desktop screenshot of leuze.com
Mobile screenshot of leuze.com
Mobile

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Hosting Provider

United Domains via NorthC Deutschland GmbH

IP Address

89.31.143.150

Site Location

🇺🇸 United Statesvia phone

Server Location

🇩🇪 Starnberg, Germany

ASN

AS202108

Organization

United Domains via NorthC Deutschland GmbH

Server

Apache

Nameservers

ns.udag.de.ns.udag.org.ns.udag.net.

Performance

92

Core Web Vitals

Weight

First Contentful Paint
1.3 s10%
Speed Index
1.7 s10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
36 KB
48 requests

Image Optimization

Lazy LoadResponsive
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Frontend
Styling
Tailwind CSS
Infrastructure
Hosting
United Domains via NorthC Deutschland GmbH

Technology Stack

5 Technologies Detected

Libraries

1
jQueryv3.5.1

CSS Frameworks

1
Tailwind CSS

Analytics

1
Google Analytics

Tag Managers

1
Google Tag Manager

Web Servers

1
Apache

SEO Analysis

B78/100
24
6
0
Meta Tags12/15
Content12/12
Headings8/8
Technical18/21
E-E-A-T3/7
Images6/7
Links5/5
URL5/5
Social5/5
Freshness0/4
Mobile1/4
Indexability3/3
L
leuze.comleuze.com

Optical sensors | Creating tomorrow's innovations together | Leuze

Find suitable solutions for optical sensors in your sector. Intralogistics✓ Packaging industry✓ Machine tools✓ Automotive industry✓ Laboratory automation✓

Title Length66 chars

Recommended: 50-60 chars (~400px / 580px)

Description Length154 chars

Recommended: 120-160 chars

Issues (0)

    6 issues found

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    Local SEO

    Local Search Readiness

    24/100
    Needs Work
    8 9 2

    Sponsored

    AI & LLM Readiness

    D42/100
    Bot Access
    20/25
    Machine Read.
    8/25
    Schema Data
    0/25
    Citation
    14/25

    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:4%
    Words:1,979
    Token eff.:Optimal
    Depth:1/5

    Structured Data

    Microdata

    Citation Readiness

    Opening Summary258w
    Descriptive Headingsavg 6.4w
    Canonical URL
    Open Graph3/3
    Twitter Card3/3
    Language Tag
    Publish Date
    Author Info
    Lists
    Tables
    TL;DR / Summary
    About Page Link
    Recommendations (11)
    AI readiness recommendation preview...
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    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
    81/100
    13
    Passed
    2
    Critical
    2
    Warnings
    Images & Alt Text
    20/20
    Checks if images have descriptive alt text for screen readers and visually impaired users.
    Semantic Structure
    17/20
    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
    9/15
    Ensures all interactive elements are reachable and operable via keyboard (tab, enter, escape).
    ARIA & Roles
    5/15
    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.
    74/100
    A+
    5 mg
    CO₂e / view
    36.4 KB
    Page Weight
    95%
    Cleaner Than
    New Visitor
    5 mg
    vs
    Returning (cached)
    3 mg
    Annual (10K/mo)
    540 g
    Emission Segments
    Data Center
    1 mg
    Network
    1 mg
    Device
    2 mg
    Resource Breakdown
    JavaScript
    1.4 KB
    HTML
    32.8 KB
    Other
    2.2 KB
    Green Hosting Not Verified
    United Domains via NorthC Deutschland GmbH
    3 recommendations
    • •Carbon footprint recommendation preview...
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    D

    Security Score

    51%Poor
    Interactive

    HTTPS

    No WAF

    101d

    Certificate Details

    Type

    Organization Validated (OV)

    Certificate Authority

    DigiCert Inc

    Key Algorithm

    ECDSA (secp256r1) (256 bit)

    Signature

    ECDSA with SHA-384

    TLS Version

    TLSv1.3

    HTTP Protocol

    HTTP/2

    Valid From

    18.08.2025

    Valid Until

    18.08.2026

    OCSP Stapling

    Enabled

    Subject Alternative Names (6)

    leuze.comfiles.leuze.comfiles.leuze.com.cnleuze.com.cnwww.leuze.comwww.leuze.com.cn

    SHA-256 Fingerprint

    05:92:22:CA:79:72:A2:0A:A2:FE:40:59:E7:76:A2:75:4D:50:CD:14...

    Top Recommendations

    Security recommendation preview

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    Upgrade to view header details

    HTTP Headers

    Developer Console

    cache-control
    🟡 5 Hours(public, must-revalidate, max-age=18814, s-maxage=28800)
    content-encoding
    📦 Gzip(gzip)
    content-length
    33318
    content-type
    text/html; charset=UTF-8
    date
    Sat, 09 May 2026 09:25:37 GMT
    expires
    Sat, 09 May 2026 14:39:11 GMT
    Good Warning Issue

    Email Infrastructure

    Microsoft 365

    Score

    95

    SPF
    DKIM
    DMARC

    DMARC Policy

    None (Monitor Only)

    MX Records (1)

    leuze-com.mail.protection.outlook.com

    Domain Information

    leuze.com

    Domain Age
    26y 1m

    Created

    04.04.2000

    Expires

    04.04.2027

    Last Updated

    05.04.2026

    Registrar

    united-domains GmbH

    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.
    B
    73/100
    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, shrink-to-fit=no
    1 recommendation
    • •Mobile compatibility recommendation preview...
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    Typography & Readability

    HelveticaNeueLTW04-75Bold + HelveticaNeueLTW04-55Roman

    WCAG AA
    71/100
    Readability
    /30
    19/30

    15px · LH 1.50

    Hierarchy
    /20
    16/20

    2.4x ratio

    WCAG
    /25
    21/25

    4.88:1 min contrast

    Performance
    /25
    15/25

    2 fonts · 2 req

    Heading Font

    HelveticaNeueLTW04-75Bold

    Sans36px

    Body Font

    HelveticaNeueLTW04-55Roman

    Sans15px

    Contrast Ratio

    4.88:1

    WCAG AA (≥4.5:1)

    Reading Comfort

    ~38 CPL

    Narrow lines
    36px
    h1
    32px
    h2
    24px
    h3
    40px
    h4
    15px
    p
    Major Second
    Scale

    ⚠️ Small text: 15px may strain on mobile. Use ≥16px for WCAG compliance.

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

    ⚠️ Hard to read: Flesch score 34/100. Simplify sentences for wider reach.

    ✅ WCAG AA contrast: All text meets 4.5:1 ratio (min 4.9:1).

    ⚠️ Minor heading issue: 1 level skip(s) detected. Maintain sequential order for screen readers.

    ✅ Strong hierarchy: Headlines are 2.4x larger than body text.

    Buy on MyFontsFlesch 34

    Color Palette

    10 unique colors
    6.69:1 AA Light
    #ffffff
    Background· 22.2%
    #5d5c58
    Other· 6.3%
    #eae8df
    Primary· 9.8%
    #877364
    Secondary· 7.5%
    #aa9f90
    Secondary· 6.8%
    #261817
    Secondary· 6.7%
    #d9d7d0
    Secondary· 5.4%
    #7f1a18
    Accent· 4.7%

    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

    7 Resources

    6
    Scripts
    1
    Styles
    2
    Async
    2
    Defer

    Top Script Sources

    app.usercentrics.eu(2)files.leuze.com(2)googletagmanager.com(1)leuze.com(1)

    Website Identity

    leuze.com

    [email protected]
    +14705083600
    26 years old
    Location detected: 🇺🇸 United Statesvia phone
    united-domains GmbH📧 Microsoft 365en-US

    Sponsored

    Last analyzed: 09 May 2026 at 09:25

    Historical Analysis & Change Tracking