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cryptonomicon.com

https://cryptonomicon.com· First analyzed 18 May 2026· Updated 18 May 2026
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cryptonomicon.com
Desktop screenshot of cryptonomicon.com
Mobile screenshot of cryptonomicon.com
Mobile

Sponsored

Hosting Provider

Enflow B.V

IP Address

89.106.200.181

Site Location

🇳🇱 Netherlandsvia ip

Server Location

🇳🇱 Alphen aan den Rijn, The Netherlands

ASN

AS209626

Organization

Enflow B.V

Server

Cloudflare

CDN

Cloudflare

WAF

Cloudflare

Nameservers

ns7.markmonitor.com.ns1.markmonitor.com.ns2.markmonitor.com.ns3.markmonitor.com.+3 more

Performance

100

Core Web Vitals

Weight

First Contentful Paint
464 ms10%
Speed Index
603 ms10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
2.7 MB
507 requests

Image Optimization

Lazy Load
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Frontend
Styling
Bootstrap
CMS
WordPress
Infrastructure
Hosting
Enflow B.V
CDN
Cloudflare

Technology Stack

23 Technologies Detected

Analytics

5
Google Analytics
Google Analytics 4
Facebook PixelCrazy EggFullStory

Advertising

3
TikTok PixelSnapchat PixelMicrosoft Advertising

Libraries

2
jQueryv3.4.1
Moment.js

CSS Frameworks

2
Bootstrap
Tailwind CSS

Fonts

2
Google FontsAdobe Fonts (Typekit)

Customer Support

2
Tawk.toZendesk

Frameworks

1
Vue.js

UI Components

1
Fancybox

Icon Libraries

1
Font Awesome

Tag Managers

1
Google Tag Manager

Other

1
VWO

CDN

1
Cloudflare

Security

1
reCAPTCHA

SEO Analysis

B71/100
20
7
0
Meta Tags9/15
Content10/12
Headings6/8
Technical20/25
E-E-A-T2/7
Images3/7
Links5/5
URL5/5
Social5/5
Freshness0/4
Mobile3/4
Indexability3/3
C
cryptonomicon.comcryptonomicon.com

Cryptonomicon – HarperCollins

With this extraordinary first volume in an epoch-making masterpiece, Neal Stephenson hacks into the secret histories of nations and the private obsessions o...

Title Length29 chars

Recommended: 50-60 chars (~173px / 580px)

Description Length160 chars

Recommended: 120-160 chars

Issues (0)

    7 issues found

    Upgrade to view details

    Crawlability

    Sitemap
    robots.txt

    166 rules

    Sitemap reference found

    Local SEO

    Local Search Readiness

    15/100
    Poor
    4 13

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

    Sponsored

    AI & LLM Readiness

    D57/100
    Bot Access
    20/25
    Machine Read.
    15/25
    Schema Data
    6/25
    Citation
    16/25

    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.txtvalid
    llms-full.txt
    Semantic HTML
    Heading Hierarchy
    Text ratio:3%
    Words:2,041
    Token eff.:Optimal
    Sections/1K:0.5

    Structured Data

    2 JSON-LD
    Organization×1.1Product
    sameAs entity links

    Citation Readiness

    Opening Summary21w
    Descriptive Headingsavg 4w
    Canonical URL
    Open Graph3/3
    Twitter Card3/3
    Language Tag
    Publish Date
    Author Info
    Lists
    Tables
    TL;DR / Summary
    About Page Link
    Recommendations (9)
    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
    60/100
    11
    Passed
    4
    Critical
    3
    Warnings
    Images & Alt Text
    10/20
    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
    2/15
    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
    11/15
    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.
    4 recommendations
    • •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.
    29/100
    E
    346 mg
    CO₂e / view
    2.7 MB
    Page Weight
    30%
    Cleaner Than
    New Visitor
    396 mg
    vs
    Returning (cached)
    198 mg
    Annual (10K/mo)
    41.5 kg
    Emission Segments
    Data Center
    77 mg
    Network
    83 mg
    Device
    186 mg
    Resource Breakdown
    JavaScript
    1.5 MB
    Images
    77.8 KB
    CSS
    248.3 KB
    Fonts
    3.7 KB
    HTML
    78.9 KB
    Other
    894.5 KB
    Green Hosting Not Verified
    Enflow B.V
    7 recommendations
    • •Carbon footprint recommendation preview...
    Upgrade to view recommendations
    A

    Security Score

    81%Very Good
    Interactive

    HTTPS

    WAF

    202d

    Certificate Details

    Type

    Organization Validated (OV)

    Certificate Authority

    DigiCert Inc

    Key Algorithm

    RSA (2048 bit)

    Signature

    SHA-256 with RSA

    TLS Version

    TLSv1.3

    HTTP Protocol

    HTTP/2

    Valid From

    05.11.2025

    Valid Until

    06.12.2026

    OCSP Stapling

    Enabled

    Subject Alternative Names (2)

    harpercollins.comwww.harpercollins.com

    SHA-256 Fingerprint

    08:A2:8F:B2:EB:51:DD:91:B6:75:EB:F7:6F:13:03:92:03:25:7A:76...

    Upgrade to view header details

    HTTP Headers

    Developer Console

    access-control-allow-origin
    *
    alt-svc
    h3=":443"; ma=86400
    cf-cache-status
    DYNAMIC
    cf-ray🇦🇹 Vienna
    9fddf54029a1c30c-VIE
    content-encoding
    ⚡ Brotli(br)
    content-language
    en-US
    Good Warning Issue

    Email Infrastructure

    Custom Mail Server

    Score

    55

    SPF
    DKIM
    DMARC

    DMARC Policy

    Reject (Strictest)

    Domain Information

    cryptonomicon.com

    Domain Age
    28y 12m

    Created

    30.05.1997

    Expires

    29.05.2027

    Last Updated

    27.04.2026

    Registrar

    MarkMonitor Inc.

    DNSSEC
    Not Enabled

    Privacy & Compliance

    Cookie Consent Banner
    Privacy Policy
    Terms of Service

    GDPR Indicators

    Cookie consent banner detected
    Privacy policy page linked
    Data Protection Officer mentioned

    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
    76/100
    Mobile Friendly3 breakpoints
    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

    EB Garamond + Arial

    WCAG Partial
    71/100
    Readability
    /30
    26/30

    16px · LH 1.50

    Hierarchy
    /20
    16/20

    2.25x ratio · ✓ H1→H6

    WCAG
    /25
    15/25

    3.98:1 min contrast

    Performance
    /25
    14/25

    System fonts

    Heading Font

    EB Garamond

    Serif36px

    Body Font

    Arial

    Sans16px

    Contrast Ratio

    3.98:1

    6 issues

    Reading Comfort

    ~47 CPL

    Optimal (45–75)
    36px
    h1
    16px
    h2
    23px
    h3
    25px
    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).

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

    ⚠️ Hard to read: Flesch score 48/100. Simplify sentences for wider reach.

    ⚠️ Partial contrast: 6 elements below WCAG AA threshold (min 4.0:1).

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

    GGoogle FontsFluid TypeFlesch 48

    Color Palette

    7 unique colors
    11.81:1 AAA Light
    #ffffff
    Background· 64.89999999999999%
    #3c3639
    Other· 3.2%
    #3676b4
    Primary· 5%
    #836d65
    Border· 2.9%

    Business & Marketing Stack

    7 Tools Detected

    Enterprise

    Behavior Analytics

    3
    Google AnalyticsFree
    Crazy EggSMB
    Google Tag ManagerFree

    User behavior and product analytics

    Advertising

    3
    Facebook PixelMid-Market
    TikTok PixelMid-Market
    Microsoft AdsEnterprise

    Ad platforms and retargeting pixels

    A/B Testing & Optimization

    1
    VWO (Visual Website Optimizer)Mid-Market

    Experimentation and conversion optimization

    3

    Categories

    7

    Total Tools

    1

    Enterprise

    3

    Mid-Market

    Assessment: Sophisticated marketing and sales technology infrastructure

    Sponsored

    Scripts & Styles

    30 Resources

    20
    Scripts
    10
    Styles
    20
    Async
    0
    Defer

    Top Script Sources

    cdn.attn.tv(2)script.crazyegg.com(2)analytics.tiktok.com(2)googletagmanager.com(2)connect.facebook.net(2)

    Website Identity

    HarperCollins

    Organization

    With this extraordinary first volume in an epoch-making masterpiece, Neal Stephenson hacks into the secret histories of nations and the private obsessions of men, decrypting with dazzling virtuosity the forces that shaped this century. In 1942, Lawrence Pritchard Waterhouse—mathematical genius and

    www.harpercollins.com
    28 years old
    Location detected: 🇳🇱 Netherlandsvia ip
    MarkMonitor Inc.en

    Sponsored

    Last analyzed: 18 May 2026 at 21:30

    Historical Analysis & Change Tracking