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fissilematerials.org

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

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Hosting Provider

IONOS (1&1)
ionos.com

IP Address

198.71.48.39

Site Location

🇺🇸 United Statesvia ip

Server Location

🇺🇸 Sulphur Springs, United States

ASN

AS8560

Organization

IONOS Inc

Server

Nginx

Nameservers

ns1045.ui-dns.org.ns1045.ui-dns.biz.ns1045.ui-dns.com.ns1045.ui-dns.de.

Performance

93

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%
338 KB
31 requests
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Infrastructure
Hosting
IONOS (1&1)

Technology Stack

6 Technologies Detected

Analytics

3
Google Analytics
Google Analytics 4
Segment

Libraries

1
jQuery

Icon Libraries

1
Font Awesome

Web Servers

1
Nginx

SEO Analysis

B73/100
22
6
0
Meta Tags13/15
Content10/12
Headings8/8
Technical19/25
E-E-A-T0/7
Images4/7
Links2/5
URL5/5
Social3/5
Freshness2/4
Mobile4/4
Indexability3/3
F
fissilematerials.orgfissilematerials.org

International Panel on Fissile Materials

Fostering initiatives to reduce stocks and end the production and use of highly enriched uranium and plutonium

Title Length40 chars

Recommended: 50-60 chars (~231px / 580px)

Description Length110 chars

Recommended: 120-160 chars

Issues (0)

    6 issues found

    Upgrade to view details

    Crawlability

    Sitemap

    Type: index

    3 URLs

    3 sub-sitemaps

    robots.txt

    6 rules

    Sitemap reference found

    Local SEO

    Local Search Readiness

    6/100
    Poor
    2 13 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.
    14/25
    Schema Data
    0/25
    Citation
    11/25

    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
    navheader/footer
    Text ratio:16%
    Words:385
    Token eff.:Optimal
    Sections/1K:15.6
    Depth:2/5

    Structured Data

    Microdata

    Citation Readiness

    Opening Summary17w
    Descriptive Headingsavg 1.5w
    Canonical URL
    Open Graph3/3
    Twitter Card0/3
    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.
    B
    72/100
    11
    Passed
    2
    Critical
    3
    Warnings
    Images & Alt Text
    20/20
    Checks if images have descriptive alt text for screen readers and visually impaired users.
    Semantic Structure
    20/20
    Evaluates proper use of HTML5 semantic elements (header, nav, main, footer) and heading hierarchy.
    Forms & Inputs
    7/15
    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
    1/15
    Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.
    3 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.
    72/100
    A+
    34 mg
    CO₂e / view
    338.0 KB
    Page Weight
    90%
    Cleaner Than
    New Visitor
    39 mg
    vs
    Returning (cached)
    20 mg
    Annual (10K/mo)
    4.1 kg
    Emission Segments
    Data Center
    2 mg
    Network
    10 mg
    Device
    22 mg
    Resource Breakdown
    JavaScript
    40.3 KB
    Images
    1.6 KB
    CSS
    292.4 KB
    HTML
    3.7 KB
    Green Hosting Verified
    IONOS SE
    GWF Verified
    3 recommendations
    • •Carbon footprint recommendation preview...
    Upgrade to view recommendations
    F

    Security Score

    21%Critical
    Interactive

    HTTPS

    No WAF

    62d

    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/2

    Valid From

    01.05.2026

    Valid Until

    30.07.2026

    Subject Alternative Names (1)

    fissilematerials.org

    SHA-256 Fingerprint

    69:D9:15:F4:AD:3E:5D:D3:57:97:20:66:68:CE:33:32:8C:6B:75:E0...

    Top Recommendations

    Security recommendation preview

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    Upgrade to view header details

    HTTP Headers

    Developer Console

    content-encoding
    ⚡ Brotli(br)
    content-type
    text/html
    date
    Thu, 28 May 2026 12:44:36 GMT
    etag
    W/"6a10472e-3d72"
    last-modified
    Fri, 22 May 2026 12:08:14 GMT
    server
    nginx
    Good Warning Issue

    Email Infrastructure

    Custom Mail Server

    Score

    65

    SPF
    DKIM
    DMARC

    DMARC Policy

    None (Monitor Only)

    MX Records (2)

    mx01.ionos.com
    mx00.ionos.com

    Domain Information

    fissilematerials.org

    Domain Age
    20y 4m

    Created

    23.01.2006

    Expires

    23.01.2027

    Last Updated

    09.03.2026

    Registrar

    IONOS SE

    DNSSEC
    Not Enabled

    Privacy & Compliance

    Cookie Consent Banner
    Privacy Policy
    Terms of Service

    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
    54/100
    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

    InfoDisplay + PT Serif

    WCAG Partial
    69/100
    Readability
    /30
    25/30

    17px · LH 1.60

    Hierarchy
    /20
    17/20

    2.65x ratio · ✓ H1→H6

    WCAG
    /25
    16/25

    2.73:1 min contrast

    Performance
    /25
    11/25

    2 fonts · 5 req

    Heading Font

    InfoDisplay

    Sans45px

    Body Font

    PT Serif

    Serif17px

    Contrast Ratio

    2.73:1

    4 issues

    Reading Comfort

    ~37 CPL

    Narrow lines
    45px
    h1
    32px
    h2
    18px
    h3
    17px
    p

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

    ✅ Optimal line spacing: 1.60 ratio (ideal range 1.4–1.6).

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

    ⚠️ Partial contrast: 4 elements below WCAG AA threshold (min 2.7:1).

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

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

    Buy on MyFontsFlesch 34

    Color Palette

    6 unique colors
    8.96:1 AAA Light
    #f2f2f2
    Background· 65.7%
    #424244
    Other· 7.2%
    #a8b697
    Primary· 4.7%
    #919e7f
    Secondary· 4.4%

    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

    14 Resources

    13
    Scripts
    1
    Styles
    3
    Async
    0
    Defer

    Top Script Sources

    d3js.org(6)fissilematerials.org(4)google-analytics.com(2)googletagmanager.com(1)

    Website Identity

    fissilematerials.org

    20 years old
    Location detected: 🇺🇸 United Statesvia ip
    IONOS SEen-us

    Social Profiles

    FacebookX (Twitter)

    Sponsored

    Last analyzed: 28 May 2026 at 12:44

    Historical Analysis & Change Tracking