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gsttcharity.org.uk

https://gsttcharity.org.uk· First analyzed 02 Jun 2026· Updated 02 Jun 2026
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gsttcharity.org.uk
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Mobile

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Hosting Provider

WP Engine
wpengine.com

IP Address

141.193.213.11

Site Location

🇬🇧 United Kingdomvia schema_nap

Server Location

🇺🇸 Austin, United States

ASN

AS209242

Organization

WPEngine, Inc.

Server

Cloudflare

CDN

Cloudflare

WAF

Cloudflare

Nameservers

ns20.domaincontrol.com.ns19.domaincontrol.com.

Performance

100

Core Web Vitals

Weight

First Contentful Paint
236 ms10%
Speed Index
307 ms10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
123 KB
35 requests

Image Optimization

Lazy LoadWebPResponsive
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
WordPress
cms
gstc-charityCustom

Progressive Web App

Web ManifestApple Touch IconTheme Color

Technology Stack

11 Technologies Detected

Analytics

3
Google Analytics
Google Analytics 4
Fathom Analytics

Fonts

2
Google FontsAdobe Fonts (Typekit)

CSS Frameworks

1
Tailwind CSS

Icon Libraries

1
Font Awesome

Tag Managers

1
Google Tag Manager

Other

1
VWO

CDN

1
Cloudflare

Plugins

1
Yoast SEO

SEO Analysis

A82/100
25
4
0
Meta Tags15/15
Content11/12
Headings8/8
Technical21/25
E-E-A-T2/7
Images5/7
Links2/5
URL5/5
Social4/5
Freshness2/4
Mobile4/4
Indexability3/3
G
gsttcharity.org.ukgsttcharity.org.uk

Care never stands still - Guy's & St Thomas' Charity

We're the charity supporting Guy's and St Thomas' provide exceptional and pioneering healthcare today, tomorrow and always.

Title Length52 chars

Recommended: 50-60 chars (~314px / 580px)

Description Length123 chars

Recommended: 120-160 chars

Issues (0)

    4 issues found

    Upgrade to view details

    Crawlability

    Sitemap

    Type: index

    5 URLs

    5 sub-sitemaps

    robots.txt

    10 rules

    Sitemap reference found

    Allows all crawlers

    Local SEO

    Local Search Readiness

    15/100
    Poor
    4 15 1

    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.
    12/25
    Schema Data
    1/25
    Citation
    12/25

    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
    blockquotesnavheader/footer
    Text ratio:5%
    Words:646
    Token eff.:Optimal
    Sections/1K:23.2
    Depth:3/5

    Structured Data

    1 JSON-LD
    sameAs entity links

    Citation Readiness

    Opening Summary18w
    Descriptive Headingsavg 4w
    Canonical URL
    Open Graph3/3
    Twitter Card1/3
    Language Tag
    Publish Date
    Author Info
    Lists
    Tables
    TL;DR / Summary
    About Page Link
    Recommendations (10)
    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
    86/100
    13
    Passed
    1
    Critical
    0
    Warnings
    Images & Alt Text
    20/20
    Checks if images have descriptive alt text for screen readers and visually impaired users.
    Semantic Structure
    17/20
    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
    13/15
    Ensures all interactive elements are reachable and operable via keyboard (tab, enter, escape).
    ARIA & Roles
    6/15
    Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.

    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.
    89/100
    A+
    13 mg
    CO₂e / view
    123.5 KB
    Page Weight
    95%
    Cleaner Than
    New Visitor
    14 mg
    vs
    Returning (cached)
    7 mg
    Annual (10K/mo)
    1.5 kg
    Emission Segments
    Data Center
    <0.001 g
    Network
    4 mg
    Device
    8 mg
    Resource Breakdown
    Images
    107.0 KB
    HTML
    12.5 KB
    Other
    3.9 KB
    Green Hosting Verified
    Google Cloud
    GWF Verified
    2 recommendations
    • •Carbon footprint recommendation preview...
    Upgrade to view recommendations
    D

    Security Score

    41%Poor
    Interactive

    HTTPS

    WAF

    58d

    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

    01.05.2026

    Valid Until

    30.07.2026

    Subject Alternative Names (1)

    gsttcharity.org.uk

    SHA-256 Fingerprint

    4B:75:2F:04:B8:E0:60:9E:39:06:CD:0E:69:77:B7:A9:BE:DB:1A:2B...

    Top Recommendations

    Security recommendation preview

    Upgrade to view recommendations
    Upgrade to view header details

    HTTP Headers

    Developer Console

    alt-svc
    h3=":443"; ma=86400
    cache-control
    🟡 600s(max-age=600, must-revalidate)
    cf-cache-status
    DYNAMIC
    cf-ray🇮🇹 Milan
    a057a6e82f9bedde-MXP
    content-encoding
    ⚡ Brotli(br)
    content-type
    text/html; charset=UTF-8
    Good Warning Issue

    Email Infrastructure

    Microsoft 365

    Score

    95

    SPF
    DKIM
    DMARC

    DMARC Policy

    None (Monitor Only)

    MX Records (1)

    gsttcharity-org-uk.mail.protection.outlook.com

    Domain Information

    gsttcharity.org.uk

    DNSSEC
    Not Enabled

    Privacy & Compliance

    Civic Cookie Control

    Cookie Consent Banner
    Civic Cookie Control
    Privacy Policy
    Terms of Service

    GDPR Indicators

    Cookie consent banner detected
    CMP: Civic Cookie Control
    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.
    A
    82/100
    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,maximum-scale=5

    Typography & Readability

    Suisse Intl SemiBold + Arial

    WCAG Partial
    74/100
    Readability
    /30
    22/30

    14px · LH 1.40

    Hierarchy
    /20
    20/20

    3.43x ratio · ✓ H1→H6

    WCAG
    /25
    18/25

    3.25:1 min contrast

    Performance
    /25
    14/25

    System fonts

    Heading Font

    Suisse Intl SemiBold

    Sans48px

    Body Font

    Arial

    Sans14px

    Contrast Ratio

    3.25:1

    1 issue

    Reading Comfort

    ~37 CPL

    Narrow lines
    48px
    h1
    48px
    h2
    34px
    h3
    28px
    h4
    14px
    p

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

    ✅ Optimal line spacing: 1.40 ratio (ideal range 1.4–1.6).

    ⚠️ Partial contrast: 1 elements below WCAG AA threshold (min 3.2:1).

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

    ✅ Strong hierarchy: Headlines are 3.4x larger than body text.

    ✅ System fonts: Zero font loading delay — best possible LCP impact.

    GGoogle FontsAAdobe FontsBuy on MyFontsFlesch 54

    Color Palette

    11 unique colors
    4.84:1 AA Light
    #ffffff
    Primary· 70.09999999999998%
    #6c7374
    Other· 4.1%
    #1e2733
    Primary· 4.5%
    #dcd3c8
    Secondary· 3.2%
    #d37337
    Accent· 2.5%
    #cdb8ac
    Secondary· 1.8%
    #9e422f
    Accent· 1.7%
    #f0ede9
    Secondary· 1.7%

    Business & Marketing Stack

    4 Tools Detected

    Advanced

    Behavior Analytics

    3
    Google Tag ManagerFree
    Google AnalyticsFree
    FathomSMB

    User behavior and product analytics

    A/B Testing & Optimization

    1
    VWO (Visual Website Optimizer)Mid-Market

    Experimentation and conversion optimization

    2

    Categories

    4

    Total Tools

    0

    Enterprise

    1

    Mid-Market

    Assessment: Well-developed marketing technology stack

    Sponsored

    Scripts & Styles

    11 Resources

    6
    Scripts
    5
    Styles
    2
    Async
    3
    Defer

    Top Script Sources

    googletagmanager.com(2)gsttcharity.org.uk(2)cdn.usefathom.com(1)cc.cdn.civiccomputing.com(1)

    Website Identity

    Guy's & St Thomas' Charity

    Guy's & St Thomas' Charity

    NGO

    The Grain House, 46 Loman Street

    SE1 0EH, London

    UK

    Location detected: 🇬🇧 United Kingdomvia schema_nap
    📧 Microsoft 365en-GB

    Social Profiles

    FacebookInstagram

    Sponsored

    Last analyzed: 02 Jun 2026 at 15:57

    Historical Analysis & Change Tracking