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londontheatre.co.uk

https://londontheatre.co.uk· First analyzed 29 Apr 2026· Updated 29 Apr 2026
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londontheatre.co.uk
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Mobile

Sponsored

Hosting Provider

Vercel
vercel.com

IP Address

76.76.21.21

Site Location

🇬🇧 United Kingdomvia tld

Server Location

🇺🇸 Walnut, United States

ASN

AS16509

Organization

Vercel, Inc

Server

Vercel

Nameservers

ns-952.awsdns-55.net.ns-1485.awsdns-57.org.ns-1905.awsdns-46.co.uk.ns-21.awsdns-02.com.

Performance

92

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%
4.2 MB
148 requests

Image Optimization

Lazy LoadWebPAVIFResponsive
0–49
50–89
90–100

Architecture Stack

JAMstack
⚙️ SSR
Decoupled
Frontend
Framework
Next.js
Styling
Bootstrap
API
Data Source
Headless CMS
Contentful
Infrastructure
Platform
Vercel

Detected API Sources

//images.ctfassets.net/6pezt69...//images.ctfassets.net/6pezt69...

Technology Stack

17 Technologies Detected

Analytics

5
Google Analytics
Google Analytics 4
Facebook Pixel
Hotjar
Segment

CSS Frameworks

4
Bootstrap
Tailwind CSS
Ant DesignMaterial UI

Advertising

2
Google AdsMicrosoft Advertising

Meta Frameworks

1
Next.js

Fonts

1
Google Fonts

Tag Managers

1
Google Tag Manager

Other

1
Unbounce

Reviews

1
Trustpilot

Platforms

1
Vercel

SEO Analysis

A85/100
26
3
0
Meta Tags14/15
Content10/12
Headings8/8
Technical23/25
E-E-A-T2/7
Images4/7
Links5/5
URL5/5
Social5/5
Freshness2/4
Mobile4/4
Indexability3/3
L
londontheatre.co.uklondontheatre.co.uk

London Theatre tickets | Official West End tickets | Book today

Book official London theatre tickets for the top musicals and plays in the West End, and get the latest London theatre news and show reviews.

Title Length63 chars

Recommended: 50-60 chars (~380px / 580px)

Description Length143 chars

Recommended: 120-160 chars

Issues (0)

    3 issues found

    Upgrade to view details

    Crawlability

    Sitemap

    Type: index

    2 URLs

    2 sub-sitemaps

    robots.txt

    15 rules

    Sitemap reference found

    Local SEO

    Local Search Readiness

    23/100
    Needs Work
    6 11

    Sponsored

    AI & LLM Readiness

    D51/100
    Bot Access
    20/25
    Machine Read.
    12/25
    Schema Data
    7/25
    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.txtinvalid
    llms-full.txt
    Semantic HTML
    Heading Hierarchy
    Text ratio:1%
    Words:1,067
    Token eff.:Optimal

    Structured Data

    3 JSON-LD
    Organization×1.1WebSiteBreadcrumbList
    sameAs entity links

    Citation Readiness

    Opening Summary10w
    Descriptive Headingsavg 2.8w
    Canonical URL
    Open Graph3/3
    Twitter Card3/3
    Language Tag
    Publish Date
    Author Info
    Lists
    Tables
    TL;DR / Summary
    About Page Link
    Recommendations (11)
    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
    65/100
    8
    Passed
    7
    Critical
    1
    Warnings
    Images & Alt Text
    13/20
    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
    10/15
    Verifies form fields have labels, error messages are clear, and inputs are properly associated.
    Color & Contrast
    12/15
    Tests text-to-background color contrast ratios against WCAG AA/AAA minimum requirements.
    Keyboard & Focus
    7/15
    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.
    3 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.
    40/100
    F
    430 mg
    CO₂e / view
    4.2 MB
    Page Weight
    15%
    Cleaner Than
    New Visitor
    492 mg
    vs
    Returning (cached)
    246 mg
    Annual (10K/mo)
    51.6 kg
    Emission Segments
    Data Center
    21 mg
    Network
    126 mg
    Device
    283 mg
    Resource Breakdown
    JavaScript
    2.5 MB
    Images
    3.7 KB
    CSS
    1.5 MB
    Fonts
    2.0 KB
    HTML
    179.6 KB
    Green Hosting Verified
    Vercel
    Provider Match
    5 recommendations
    • •Carbon footprint recommendation preview...
    Upgrade to view recommendations
    D

    Security Score

    46%Poor
    Interactive

    HTTPS

    No WAF

    30d

    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

    01.03.2026

    Valid Until

    30.05.2026

    Subject Alternative Names (1)

    www.londontheatre.co.uk

    SHA-256 Fingerprint

    BF:3E:00:0A:42:E1:D5:F3:B0:4D:6B:A7:77:A2:33:17:FD:F1:CB:ED...

    Top Recommendations

    Security recommendation preview

    Upgrade to view recommendations
    Upgrade to view header details

    HTTP Headers

    Developer Console

    age
    209
    cache-control
    🟡 0s(public, max-age=0, must-revalidate)
    content-encoding
    ⚡ Brotli(br)
    content-type
    text/html; charset=utf-8
    date
    Wed, 29 Apr 2026 19:29:09 GMT
    etag
    W/"bv2z1nlprqr3uo"
    Good Warning Issue

    Email Infrastructure

    Google Workspace

    Score

    95

    SPF
    DKIM
    DMARC

    DMARC Policy

    Reject (Strictest)

    MX Records (4)

    alt2.aspmx.l.google.com
    aspmx.l.google.com
    alt1.aspmx.l.google.com
    aspmx2.googlemail.com

    Domain Information

    londontheatre.co.uk

    DNSSEC
    Not Enabled

    Privacy & Compliance

    Cookiebot

    Cookie Consent Banner
    Cookiebot
    Privacy Policy
    Terms of Service

    GDPR Indicators

    Cookie consent banner detected
    CMP: Cookiebot
    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
    72/100
    Mobile Friendly242 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
    minimum-scale=1, initial-scale=1, width=device-width, shrink-to-fit=no
    1 recommendation
    • •Mobile compatibility recommendation preview...
    Upgrade to view recommendations

    Typography & Readability

    Noto Serif + Roboto

    WCAG Partial
    76/100
    Readability
    /30
    24/30

    16px · LH 1.45

    Hierarchy
    /20
    20/20

    3.38x ratio · ✓ H1→H6

    WCAG
    /25
    14/25

    1:1 min contrast

    Performance
    /25
    18/25

    2 fonts · 5 req

    Heading Font

    Noto Serif

    Serif54px

    Body Font

    Roboto

    Sans16px

    Contrast Ratio

    1:1

    4 issues

    Reading Comfort

    ~41 CPL

    Narrow lines
    54px
    h1
    32px
    h2
    32px
    h3
    16px
    h4
    16px
    p

    ✅ Excellent readability: 16px body text is ideal for all devices.

    ✅ Optimal line spacing: 1.45 ratio (ideal range 1.4–1.6).

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

    ⚠️ Partial contrast: 4 elements below WCAG AA threshold (min 1.0:1).

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

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

    GGoogle FontsBuy on MyFontsFlesch 48

    Color Palette

    5 unique colors
    Light
    #ffffff
    Background· 32.400000000000006%
    #06050a
    Primary· 40.1%
    #2c3971
    Secondary· 11.9%
    #020d3a
    Accent· 11%
    #a7acbd
    Secondary· 4.7%

    Business & Marketing Stack

    5 Tools Detected

    Enterprise

    Behavior Analytics

    2
    Google Tag ManagerFree
    Google AnalyticsFree

    User behavior and product analytics

    Advertising

    2
    Facebook PixelMid-Market
    Microsoft AdsEnterprise

    Ad platforms and retargeting pixels

    Reviews & Social Proof

    1
    TrustpilotMid-Market

    Customer reviews and testimonials

    3

    Categories

    5

    Total Tools

    1

    Enterprise

    2

    Mid-Market

    Assessment: Sophisticated marketing and sales technology infrastructure

    Sponsored

    Scripts & Styles

    23 Resources

    20
    Scripts
    3
    Styles
    18
    Async
    2
    Defer

    Top Script Sources

    sc.todaytix.com(6)bat.bing.com(3)googletagmanager.com(3)datadoghq-browser-agent.com(2)connect.facebook.net(2)

    Website Identity

    LondonTheatre.co.uk

    LondonTheatre.co.uk

    Organization
    www.londontheatre.co.uk
    Location detected: 🇬🇧 United Kingdomvia tld
    📧 Google Workspaceen

    Sponsored

    Last analyzed: 29 Apr 2026 at 19:33

    Historical Analysis & Change Tracking