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visualizing.org

https://visualizing.org· First analyzed 28 May 2026· Updated 28 May 2026
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visualizing.org
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Mobile

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Hosting Provider

Cloudflare
cloudflare.com

IP Address

104.21.84.43

Site Location

🇨🇦 Canadavia ip

Server Location

🇨🇦 Toronto, Canada

ASN

AS13335

Organization

Cloudflare, Inc.

Server

Google Frontend

CDN

Cloudflare

WAF

Cloudflare

Nameservers

scott.ns.cloudflare.com.nola.ns.cloudflare.com.

Performance

96

Core Web Vitals

Weight

First Contentful Paint
1.1 s10%
Speed Index
1.4 s10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
854 KB
8 requests

Image Optimization

Lazy Load
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Frontend
Styling
Tailwind CSS
CMS
Ghost
Infrastructure
Hosting
Cloudflare
CDN
Cloudflare

Technology Stack

5 Technologies Detected

Analytics

2
Google Analytics
Google Analytics 4

CSS Frameworks

1
Tailwind CSS

Fonts

1
Google Fonts

Languages

1
Go

SEO Analysis

A83/100
25
3
0
Meta Tags14/15
Content9/12
Headings8/8
Technical23/25
E-E-A-T2/7
Images5/7
Links5/5
URL5/5
Social5/5
Freshness0/4
Mobile4/4
Indexability3/3
V
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Title Length64 chars

Recommended: 50-60 chars (~376px / 580px)

Description Length146 chars

Recommended: 120-160 chars

Issues (0)

    3 issues found

    Upgrade to view details

    Crawlability

    Sitemap

    Type: standard

    181 URLs

    robots.txt

    3 rules

    Sitemap reference found

    Allows all crawlers

    Local SEO

    Local Search Readiness

    15/100
    Poor
    5 13

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

    Sponsored

    AI & LLM Readiness

    D52/100
    Bot Access
    20/25
    Machine Read.
    13/25
    Schema Data
    5/25
    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:5%
    Words:2,238
    Token eff.:Optimal
    Sections/1K:0.9
    Depth:1/5

    Structured Data

    4 JSON-LD
    Organization×1.1WebSite

    Citation Readiness

    Opening Summary30w
    Descriptive Headingsavg 3w
    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
    75/100
    9
    Passed
    2
    Critical
    0
    Warnings
    Images & Alt Text
    20/20
    Checks if images have descriptive alt text for screen readers and visually impaired users.
    Semantic Structure
    18/20
    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
    12/15
    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
    1/15
    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.
    70/100
    B
    86 mg
    CO₂e / view
    853.8 KB
    Page Weight
    80%
    Cleaner Than
    New Visitor
    99 mg
    vs
    Returning (cached)
    49 mg
    Annual (10K/mo)
    10.3 kg
    Emission Segments
    Data Center
    4 mg
    Network
    25 mg
    Device
    57 mg
    Resource Breakdown
    JavaScript
    454.0 KB
    Images
    6.1 KB
    CSS
    48.9 KB
    HTML
    344.8 KB
    Green Hosting Verified
    Cloudflare
    GWF Verified
    2 recommendations
    • •Carbon footprint recommendation preview...
    Upgrade to view recommendations
    C

    Security Score

    66%Fair
    Interactive

    HTTPS

    No WAF

    48d

    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+H3

    Valid From

    17.04.2026

    Valid Until

    16.07.2026

    Subject Alternative Names (1)

    www.visualizing.org

    SHA-256 Fingerprint

    F8:6F:C0:D1:43:19:AE:36:EE:25:A7:D8:65:12:41:DF:85:3B:0B:CA...

    Top Recommendations

    Security recommendation preview

    Upgrade to view recommendations
    Upgrade to view header details

    HTTP Headers

    Developer Console

    alt-svc
    h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
    cache-control
    🔴 No Cache(no-cache, must-revalidate)
    content-length
    352778
    content-type
    text/html; charset=utf-8
    date
    Thu, 28 May 2026 23:55:24 GMT
    etag
    W/"5620a-LzOxCwGuN4KH67qdV55WoVGS4dI"
    Good Warning Issue

    Email Infrastructure

    Custom Mail Server

    Score

    0

    SPF
    DKIM
    DMARC

    Domain Information

    visualizing.org

    Domain Age
    19y 1m

    Created

    24.04.2007

    Expires

    24.04.2027

    Last Updated

    07.04.2026

    Registrar

    NameCheap, 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.
    D
    58/100
    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=1.0, maximum-scale=1
    2 recommendations
    • •Mobile compatibility recommendation preview...
    Upgrade to view recommendations

    Typography & Readability

    Georgia + DM Sans

    WCAG Partial
    67/100
    Readability
    /30
    22/30

    17px · LH 1.65

    Hierarchy
    /20
    18/20

    3.29x ratio · ✓ H1→H6

    WCAG
    /25
    16/25

    4.04:1 min contrast

    Performance
    /25
    11/25

    3 fonts · 1 req

    Heading Font

    Georgia

    Serif56px

    Body Font

    DM Sans

    Sans17px

    Contrast Ratio

    4.04:1

    11 issues

    Reading Comfort

    ~47 CPL

    Optimal (45–75)
    56px
    h1
    36px
    h2
    17px
    p

    ✅ Excellent readability: 17px body text is ideal for all devices.

    ✅ Optimal line length: ~47 chars/line (ideal 45–75 CPL).

    ❌ Very complex text: Flesch score 0/100. Consider shorter sentences and simpler words.

    ⚠️ Partial contrast: 11 elements below WCAG AA threshold (min 4.0:1).

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

    ✅ Strong hierarchy: Headlines are 3.3x larger than body text.

    Buy on MyFontsFlesch 0

    Color Palette

    3 unique colors
    Light
    #c5bfbb
    Secondary· 2.8%
    #faf9f5
    Primary· 93.60000000000001%
    #814334
    Secondary· 3.6%

    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

    3 Resources

    2
    Scripts
    1
    Styles
    1
    Async
    0
    Defer

    Top Script Sources

    googletagmanager.com(1)local(1)

    Website Identity

    visualizing.org

    visualizing.org

    Organization
    www.visualizing.org
    19 years old
    Location detected: 🇨🇦 Canadavia ip
    NameCheap, Inc.en

    Sponsored

    Last analyzed: 28 May 2026 at 23:55

    Historical Analysis & Change Tracking

    visualizing.org Technology Stack - Built With Tailwind CSS, Google Fonts, Google Analytics, Google Analytics 4, Go | StackOptic | StackOptic