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theanarchistlibrary.org

https://theanarchistlibrary.org· First analyzed 24 Apr 2026· Updated 24 Apr 2026
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theanarchistlibrary.org
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Mobile

Sponsored

Hosting Provider

IO Cooperative, Inc.

IP Address

216.252.162.140

Site Location

🇺🇸 United Statesvia ip

Server Location

🇺🇸 San Francisco, United States

ASN

AS6939

Organization

IO Cooperative, Inc.

Server

Nginx

Nameservers

ns1.openguild.net.ns2.openguild.net.

Performance

93

Core Web Vitals

Weight

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

Architecture Stack

Monolithic
⚙️ SSR
Frontend
Styling
Bootstrap
Infrastructure
Hosting
IO Cooperative, Inc.

Technology Stack

6 Technologies Detected

Libraries

2
jQueryv3.7.0
jQuery UI

CSS Frameworks

2
Bootstrap
Tailwind CSS

Icon Libraries

1
Font Awesome

Web Servers

1
Nginxv1.22.1

SEO Analysis

C61/100
18
8
0
Meta Tags10/15
Content10/12
Headings3/8
Technical15/25
E-E-A-T0/7
Images4/7
Links4/5
URL5/5
Social3/5
Freshness0/4
Mobile4/4
Indexability3/3
T
theanarchistlibrary.orgtheanarchistlibrary.org

The Anarchist Library | The Anarchist Library

The Anarchist Library

Title Length45 chars

Recommended: 50-60 chars (~268px / 580px)

Description Length21 chars

Recommended: 120-160 chars

Issues (0)

    8 issues found

    Upgrade to view details

    Crawlability

    Sitemap

    Type: standard

    27,365 URLs

    robots.txt

    7 rules

    Sitemap reference found

    Local SEO

    Local Search Readiness

    3/100
    Poor
    1 14 2

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

    Sponsored

    AI & LLM Readiness

    F37/100
    Bot Access
    20/25
    Machine Read.
    8/25
    Schema Data
    3/25
    Citation
    6/25

    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:7%
    Words:402
    Token eff.:Optimal

    Structured Data

    1 JSON-LD
    WebSiteSearchAction

    Citation Readiness

    Opening Summary
    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 (12)
    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
    12
    Passed
    4
    Critical
    0
    Warnings
    Images & Alt Text
    20/20
    Checks if images have descriptive alt text for screen readers and visually impaired users.
    Semantic Structure
    11/20
    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
    10/15
    Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.
    1 recommendation
    • •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.
    56/100
    A
    69 mg
    CO₂e / view
    556.6 KB
    Page Weight
    80%
    Cleaner Than
    New Visitor
    79 mg
    vs
    Returning (cached)
    39 mg
    Annual (10K/mo)
    8.3 kg
    Emission Segments
    Data Center
    15 mg
    Network
    17 mg
    Device
    37 mg
    Resource Breakdown
    JavaScript
    217.0 KB
    Images
    52.0 KB
    CSS
    278.4 KB
    HTML
    6.4 KB
    Other
    2.7 KB
    Green Hosting Not Verified
    IO Cooperative, Inc.
    3 recommendations
    • •Carbon footprint recommendation preview...
    Upgrade to view recommendations
    F

    Security Score

    21%Critical
    Interactive

    HTTPS

    No WAF

    64d

    Certificate Details

    Type

    Domain Validated (DV)

    Certificate Authority

    Let's Encrypt

    Key Algorithm

    RSA (2048 bit)

    Signature

    SHA-256 with RSA

    TLS Version

    TLSv1.3

    HTTP Protocol

    HTTP/1.1

    Valid From

    29.03.2026

    Valid Until

    27.06.2026

    Subject Alternative Names (6)

    bookshelf.theanarchistlibrary.orggr.theanarchistlibrary.orgja.theanarchistlibrary.orgkr.theanarchistlibrary.orgsea.theanarchistlibrary.orgtheanarchistlibrary.org

    SHA-256 Fingerprint

    7E:42:4C:52:08:C5:DE:B3:DB:17:C8:DA:BF:8C:C3:33:8D:E5:3E:9A...

    Top Recommendations

    Security recommendation preview

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    Upgrade to view header details

    HTTP Headers

    Developer Console

    cache-control
    🔴 No Cache(no-cache)
    connection
    keep-alive
    content-encoding
    📦 Gzip(gzip)
    content-type
    text/html; charset=utf-8
    date
    Fri, 24 Apr 2026 00:50:31 GMT
    etag
    W/"13a0a83b1e838da9d51f4a8f1f849c59ee46ce6f"
    Good Warning Issue

    Email Infrastructure

    Custom Mail Server

    Score

    65

    SPF
    DKIM
    DMARC

    DMARC Policy

    None (Monitor Only)

    MX Records (1)

    mail.theanarchistlibrary.org

    Domain Information

    theanarchistlibrary.org

    Domain Age
    17y 11m

    Created

    27.05.2008

    Expires

    27.05.2026

    Last Updated

    17.07.2025

    Registrar

    Squarespace Domains II LLC

    DNSSEC
    Not Enabled

    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
    62/100
    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
    2 recommendations
    • •Mobile compatibility recommendation preview...
    Upgrade to view recommendations

    Typography & Readability

    Helvetica Neue

    WCAG Partial
    70/100
    Readability
    /30
    20/30

    14px · LH 1.43

    Hierarchy
    /20
    15/20

    2.57x ratio

    WCAG
    /25
    16/25

    4.48:1 min contrast

    Performance
    /25
    19/25

    System fonts

    Heading Font

    Helvetica Neue

    Sans36px

    Body Font

    Helvetica Neue

    Sans14px

    Contrast Ratio

    4.48:1

    11 issues

    Reading Comfort

    Single Font Family

    left aligned
    36px
    h1
    18px
    h4
    14px
    p

    ⚠️ Small text: 14px may strain on mobile. Use ≥16px for WCAG compliance.

    ✅ Optimal line spacing: 1.43 ratio (ideal range 1.4–1.6).

    ⚠️ Hard to read: Flesch score 46/100. Simplify sentences for wider reach.

    ⚠️ Partial contrast: 11 elements below WCAG AA threshold (min 4.5:1).

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

    ✅ Strong hierarchy: Headlines are 2.6x larger than body text.

    Flesch 46

    Color Palette

    4 unique colors
    2.97:1 Fail Light
    #ffffff
    Background· 85.3%
    #989594
    Other· 3%

    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

    13 Resources

    9
    Scripts
    4
    Styles
    0
    Async
    0
    Defer

    Top Script Sources

    theanarchistlibrary.org(9)

    Website Identity

    theanarchistlibrary.org

    17 years old
    Location detected: 🇺🇸 United Statesvia ip
    Squarespace Domains II LLCen

    Sponsored

    Last analyzed: 24 Apr 2026 at 00:50

    Historical Analysis & Change Tracking