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nbnatlas.org

https://nbnatlas.org· First analyzed 16 May 2026· Updated 16 May 2026
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nbnatlas.org
Desktop screenshot of nbnatlas.org
Mobile screenshot of nbnatlas.org
Mobile

Sponsored

Hosting Provider

M247 UK Ltd

IP Address

194.187.248.148

Site Location

🇬🇧 United Kingdomvia ip

Server Location

🇬🇧 Manchester, United Kingdom

ASN

AS16247

Organization

M247 UK Ltd

Server

Nginx

Nameservers

ns-1154.awsdns-16.org.ns-1978.awsdns-55.co.uk.ns-490.awsdns-61.com.ns-919.awsdns-50.net.

Performance

81

Core Web Vitals

Weight

First Contentful Paint
2.2 s10%
Speed Index
2.8 s10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
2 MB
222 requests

Image Optimization

Responsive
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Frontend
Styling
Bootstrap
CMS
WordPress
Infrastructure
Hosting
M247 UK Ltd

Progressive Web App

Web ManifestApple Touch IconTheme Color

Technology Stack

10 Technologies Detected

Plugins

3
Cookie Notice
Gravity Forms Bootstrap 3 Style
Yoast SEO

CSS Frameworks

2
Bootstrap
Tailwind CSS

Libraries

1
jQueryv3.7.1

Icon Libraries

1
Font Awesome

Fonts

1
Google Fonts

Analytics

1
Google Analytics

Web Servers

1
Nginx

SEO Analysis

A84/100
24
6
0
Meta Tags14/15
Content10/12
Headings6/8
Technical24/25
E-E-A-T2/7
Images5/7
Links4/5
URL5/5
Social4/5
Freshness4/4
Mobile3/4
Indexability3/3
N
nbnatlas.orgnbnatlas.org

NBN Atlas - UK’s largest collection of biodiversity information

NBN Atlas is a free online tool hosting the UK's largest collection of biodiversity information enabling data to be shared, analysed and researched.

Title Length63 chars

Recommended: 50-60 chars (~371px / 580px)

Description Length148 chars

Recommended: 120-160 chars

Issues (0)

    6 issues found

    Upgrade to view details

    Crawlability

    Sitemap

    Type: index

    7 URLs

    7 sub-sitemaps

    robots.txt

    3 rules

    Sitemap reference found

    Allows all crawlers

    Local SEO

    Local Search Readiness

    28/100
    Needs Work
    8 9

    Sponsored

    AI & LLM Readiness

    D48/100
    Bot Access
    20/25
    Machine Read.
    6/25
    Schema Data
    8/25
    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
    code blocksnav
    Text ratio:15%
    Words:11,841
    Token eff.:Acceptable
    Sections/1K:9.4
    Depth:2/5

    Structured Data

    4 JSON-LD
    Organization×1.1WebSiteBreadcrumbListSearchAction
    sameAs entity links

    Citation Readiness

    Opening Summary340w
    Descriptive Headingsavg 3.9w
    Canonical URL
    Open Graph3/3
    Twitter Card1/3
    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
    76/100
    11
    Passed
    4
    Critical
    1
    Warnings
    Images & Alt Text
    20/20
    Checks if images have descriptive alt text for screen readers and visually impaired users.
    Semantic Structure
    13/20
    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
    11/15
    Ensures all interactive elements are reachable and operable via keyboard (tab, enter, escape).
    ARIA & Roles
    2/15
    Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.
    2 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.
    32/100
    D
    250 mg
    CO₂e / view
    2.0 MB
    Page Weight
    50%
    Cleaner Than
    New Visitor
    286 mg
    vs
    Returning (cached)
    143 mg
    Annual (10K/mo)
    30.0 kg
    Emission Segments
    Data Center
    56 mg
    Network
    60 mg
    Device
    134 mg
    Resource Breakdown
    JavaScript
    71.5 KB
    Images
    174.1 KB
    CSS
    1.7 MB
    Fonts
    889 B
    HTML
    29.4 KB
    Other
    441 B
    Green Hosting Not Verified
    M247 UK Ltd
    2 recommendations
    • •Carbon footprint recommendation preview...
    Upgrade to view recommendations
    C

    Security Score

    66%Fair
    Interactive

    HTTPS

    No WAF

    52d

    Certificate Details

    Type

    Domain Validated (DV)

    Certificate Authority

    Let's Encrypt

    Key Algorithm

    RSA (3072 bit)

    Signature

    SHA-256 with RSA

    TLS Version

    TLSv1.2

    HTTP Protocol

    HTTP/1.1

    Valid From

    08.04.2026

    Valid Until

    07.07.2026

    Subject Alternative Names (2)

    nbnatlas.orgwww.nbnatlas.org

    SHA-256 Fingerprint

    78:6B:DE:65:53:20:12:A2:66:83:B8:BF:4D:77:2B:5F:F3:5A:27:5E...

    Top Recommendations

    Security recommendation preview

    Upgrade to view recommendations
    Upgrade to view header details

    HTTP Headers

    Developer Console

    accept-ranges
    bytes
    access-control-allow-origin
    *
    cache-control
    🔴 No Cache(max-age=0, no-cache, no-store, must-revalidate)
    connection
    keep-alive
    content-encoding
    📦 Gzip(gzip)
    content-length
    29821
    Good Warning Issue

    Email Infrastructure

    Custom Mail Server

    Score

    65

    SPF
    DKIM
    DMARC

    DMARC Policy

    None (Monitor Only)

    MX Records (1)

    c.mx.fluent.ltd.uk

    Domain Information

    nbnatlas.org

    Domain Age
    9y 9m

    Created

    05.08.2016

    Expires

    05.08.2026

    Last Updated

    19.09.2024

    Registrar

    Mesh Digital Limited

    DNSSEC
    Not Enabled

    Privacy & Compliance

    Cookie Notice (WP)

    Cookie Consent Banner
    Cookie Notice (WP)
    Privacy Policy
    Terms of Service

    GDPR Indicators

    Cookie consent banner detected
    CMP: Cookie Notice (WP)
    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.
    B
    74/100
    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

    Pontano Sans

    WCAG Partial
    69/100
    Readability
    /30
    25/30

    21px · LH 1.43

    Hierarchy
    /20
    13/20

    2.31x ratio

    WCAG
    /25
    16/25

    1:1 min contrast

    Performance
    /25
    15/25

    2 fonts · 1 req

    Heading Font

    Pontano Sans

    Sans48px

    Body Font

    Pontano Sans

    Sans21px

    Contrast Ratio

    1:1

    14 issues

    Reading Comfort

    ~38 CPL

    Narrow lines
    48px
    h1
    30px
    h2
    24px
    h3
    24px
    h4
    21px
    p

    ✅ Excellent readability: 21px body text is ideal for all devices.

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

    ❌ Very complex text: Flesch score 22/100. Consider shorter sentences and simpler words.

    ⚠️ Partial contrast: 14 elements below WCAG AA threshold (min 1.0:1).

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

    ✅ Strong hierarchy: Headlines are 2.3x larger than body text.

    GGoogle FontsFlesch 22

    Color Palette

    13 unique colors
    2.6:1 Fail Light
    #9e9fa2
    Other· 18.7%
    #fdfdfd
    Primary· 8.4%
    #544f45
    Secondary· 8.9%
    #8a7646
    Secondary· 6.3%
    #221a0b
    Accent· 6%
    #322b18
    Primary· 5.8%
    #3672a5
    Accent· 5.3%
    #080603
    Primary· 5%

    Business & Marketing Stack

    2 Tools Detected

    Growing

    Behavior Analytics

    1
    Google AnalyticsFree

    User behavior and product analytics

    Social Media

    1
    Twitter/X WidgetsFree

    Social widgets and sharing tools

    2

    Categories

    2

    Total Tools

    0

    Enterprise

    0

    Mid-Market

    Assessment: Growing marketing technology adoption

    Sponsored

    Scripts & Styles

    13 Resources

    7
    Scripts
    6
    Styles
    2
    Async
    1
    Defer

    Top Script Sources

    local(4)googletagmanager.com(1)layout.nbnatlas.org(1)use.fontawesome.com(1)

    Website Identity

    National Biodiversity Network UK Atlas

    National Biodiversity Network UK Atlas

    Organization

    NBN Atlas is a free online tool hosting the UK's largest collection of biodiversity information enabling data to be shared, analysed and researched.

    support@nbnatlas.org
    nbnatlas.org/
    9 years old
    Location detected: 🇬🇧 United Kingdomvia ip
    Mesh Digital Limiteden-GB

    Social Profiles

    X (Twitter)

    Sponsored

    Last analyzed: 16 May 2026 at 05:03

    Historical Analysis & Change Tracking