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lencr.org

https://lencr.org· First analyzed 08 Sept 2026· Updated 08 Sept 2026
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lencr.org
Desktop screenshot of lencr.org
Mobile screenshot of lencr.org
Mobile

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Hosting Provider

Amazon Web Services (AWS)
aws.amazon.com

IP Address

63.176.8.218

Site Location

🇩🇪 Germanyvia ip

Server Location

🇩🇪 Frankfurt, Germany

ASN

AS16509

Organization

AWS EC2 (eu-central-1)

Server

Netlify

CDN

Cloudflare

WAF

Cloudflare

Nameservers

vera.ns.cloudflare.com.owen.ns.cloudflare.com.

Performance

89

Core Web Vitals

Weight

First Contentful Paint
1.6 s10%
Speed Index
2.0 s10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
208 KB
12 requests
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Frontend
Styling
Tailwind CSS
Infrastructure
Platform
Netlify
CDN
Cloudflare

Technology Stack

3 Technologies Detected

CSS Frameworks

1
Tailwind CSS

Icon Libraries

1
Font Awesome

Platforms

1
Netlify

SEO Analysis

C60/100
16
11
0
Meta Tags7/15
Content12/12
Headings3/8
Technical16/25
E-E-A-T0/7
Images2/7
Links5/5
URL5/5
Social3/5
Freshness0/4
Mobile4/4
Indexability3/3
L
lencr.orglencr.org

lencr.org - Let's Encrypt

What’s lencr.org? lencr.org is a domain name owned by Let’s Encrypt. We use it to host data that is referenced inside the certificates we issue. Why is my co...

Description truncated.
Title Length26 chars

Recommended: 50-60 chars (~154px / 580px)

Description Length493 chars

Recommended: 120-160 chars

Issues (0)

    11 issues found

    Upgrade to view details

    Crawlability

    Sitemap

    Type: index

    28 URLs

    28 sub-sitemaps

    robots.txt

    1 rules

    Allows all crawlers

    Local SEO

    Local Search Readiness

    11/100
    Poor
    3 12 2

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

    Sponsored

    AI & LLM Readiness

    D45/100
    Bot Access
    20/25
    Machine Read.
    13/25
    Schema Data
    0/25
    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
    code blocksnavheader/footer
    Text ratio:13%
    Words:561
    Token eff.:Optimal
    Depth:3/5

    Structured Data

    Microdata

    Citation Readiness

    Opening Summary112w
    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 (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.
    A
    80/100
    11
    Passed
    3
    Critical
    0
    Warnings
    Images & Alt Text
    20/20
    Checks if images have descriptive alt text for screen readers and visually impaired users.
    Semantic Structure
    15/20
    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
    6/15
    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.
    77/100
    A+
    21 mg
    CO₂e / view
    208.0 KB
    Page Weight
    95%
    Cleaner Than
    New Visitor
    24 mg
    vs
    Returning (cached)
    12 mg
    Annual (10K/mo)
    2.5 kg
    Emission Segments
    Data Center
    1 mg
    Network
    6 mg
    Device
    14 mg
    Resource Breakdown
    JavaScript
    4.8 KB
    Images
    13.1 KB
    CSS
    184.2 KB
    HTML
    5.9 KB
    Green Hosting Verified
    Amazon Web Services (AWS)
    Provider Match
    2 recommendations
    • •Carbon footprint recommendation preview...
    Upgrade to view recommendations
    A+

    Security Score

    100%Excellent
    Static / Informational

    HTTPS

    No WAF

    85d

    Certificate Details

    Type

    Domain Validated (DV)

    Certificate Authority

    Let's Encrypt

    Key Algorithm

    ECDSA (secp256r1) (256 bit)

    Signature

    ECDSA with SHA-384

    TLS Version

    TLSv1.3

    HTTP Protocol

    HTTP/2

    Valid From

    04.09.2026

    Valid Until

    03.12.2026

    Subject Alternative Names (10)

    cp.letsencrypt.orgcp.root-x1.letsencrypt.orgcps.letsencrypt.orgcps.root-x1.letsencrypt.orglencr.orgletsencrypt.comletsencrypt.orgwww.lencr.org+2 more

    SHA-256 Fingerprint

    1F:C4:F6:97:EE:FA:30:22:D8:72:DF:23:22:93:BD:DA:76:24:C9:39...

    Upgrade to view header details

    HTTP Headers

    Developer Console

    accept-ranges
    bytes
    age
    0
    cache-control
    🟡 0s(public,max-age=0,must-revalidate)
    cache-status
    "Netlify Edge"; fwd=stale; fwd-status=200; stored
    content-encoding
    ⚡ Brotli(br)
    content-security-policy
    default-src 'none'; font-src 'self' https://doublethedonatio...
    Good Warning Issue

    Email Infrastructure

    Custom Mail Server

    Score

    75

    SPF
    DKIM
    DMARC

    DMARC Policy

    Reject (Strictest)

    MX Records (1)

    Domain Information

    lencr.org

    Domain Age
    6y 2m

    Created

    29.06.2020

    Expires

    29.06.2027

    Last Updated

    11.08.2026

    Registrar

    Cloudflare, Inc.

    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.
    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...
    Upgrade to view recommendations

    Typography & Readability

    -apple-system

    WCAG Partial
    78/100
    Readability
    /30
    26/30

    16px · LH 1.50

    Hierarchy
    /20
    14/20

    2.25x ratio

    WCAG
    /25
    19/25

    1:1 min contrast

    Performance
    /25
    19/25

    System fonts

    Heading Font

    -apple-system

    Sans36px

    Body Font

    -apple-system

    Sans16px

    Contrast Ratio

    1:1

    1 issue

    Reading Comfort

    ~39 CPL

    Narrow lines
    36px
    h1
    14px
    h4
    16px
    p

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

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

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

    ❌ Broken heading hierarchy: 2 level skip(s). Screen readers rely on sequential headings (h1→h2→h3).

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

    ✅ System fonts: Zero font loading delay — best possible LCP impact.

    Flesch 60

    Color Palette

    6 unique colors
    Light
    #ffffff
    Background· 69.60000000000001%
    #013a71
    Primary· 18.5%
    #aba599
    Secondary· 5.7%
    #4d647a
    Secondary· 1.7%
    #08294f
    Accent· 0.9%

    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

    Sponsored

    Scripts & Styles

    6 Resources

    4
    Scripts
    2
    Styles
    0
    Async
    0
    Defer

    Top Script Sources

    local(4)

    Website Identity

    lencr.org

    6 years old
    Location detected: 🇩🇪 Germanyvia ip
    Cloudflare, Inc.en-US

    Social Profiles

    LinkedInGitHub

    Sponsored

    Last analyzed: 08 Sept 2026 at 22:48

    Historical Analysis & Change Tracking

    lencr.org Technology Stack - Built With Tailwind CSS, Font Awesome, Netlify | StackOptic