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atgentertainment.de

https://atgentertainment.de· First analyzed 28 May 2026· Updated 28 May 2026
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atgentertainment.de
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Mobile

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Hosting Provider

Vercel
vercel.com

IP Address

216.150.16.129

Site Location

🇩🇪 Koeln, Germanyvia schema_nap

Server Location

🇺🇸 Walnut, United States

ASN

AS16509

Organization

Vercel, Inc

Server

Vercel

CDN

Cloudflare

WAF

Cloudflare

Nameservers

grace.ns.cloudflare.com.sid.ns.cloudflare.com.

Performance

98

Core Web Vitals

Weight

First Contentful Paint
886 ms10%
Speed Index
1.2 s10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
1.6 MB
62 requests

Image Optimization

Lazy LoadResponsive
0–49
50–89
90–100

Architecture Stack

JAMstack
🔀 Hybrid
Decoupled
Frontend
Framework
Next.js
Styling
Tailwind CSS
API
Data Source
Headless CMS
Contentful
Infrastructure
Platform
Vercel
CDN
Cloudflare

Detected API Sources

https://images.ctfassets.net/l...https://images.ctfassets.net/l...

Technology Stack

6 Technologies Detected

Analytics

2
Google Analytics
Google Analytics 4

Meta Frameworks

1
Next.js

CSS Frameworks

1
Tailwind CSS

Tag Managers

1
Google Tag Manager

Platforms

1
Vercel

SEO Analysis

A84/100
24
5
0
Meta Tags14/15
Content10/12
Headings7/8
Technical24/25
E-E-A-T2/7
Images6/7
Links5/5
URL5/5
Social4/5
Freshness0/4
Mobile4/4
Indexability3/3
A
atgentertainment.deatgentertainment.de

ATG Entertainment - Dein Live-Theatererlebnis

Willkommen bei ATG Entertainment – deinem Partner für außergewöhnliches Theatererlebnis in Köln, Berlin, Hamburg, Bochum und Düsseldorf.

Title Length45 chars

Recommended: 50-60 chars (~273px / 580px)

Description Length136 chars

Recommended: 120-160 chars

Issues (0)

    5 issues found

    Upgrade to view details

    Crawlability

    Sitemap

    Type: standard

    113 URLs

    robots.txt

    8 rules

    Sitemap reference found

    Local SEO

    Local Search Readiness

    33/100
    Needs Work
    9 11

    Sponsored

    AI & LLM Readiness

    D43/100
    Bot Access
    20/25
    Machine Read.
    7/25
    Schema Data
    3/25
    Citation
    13/25

    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:2%
    Words:1,599
    Token eff.:Optimal

    Structured Data

    1 JSON-LD
    Organization×1.1
    sameAs entity links

    Citation Readiness

    Opening Summary230w
    Descriptive Headingsavg 6.3w
    Canonical URL
    Open Graph3/3
    Twitter Card3/3
    Language Tag
    Publish Date
    Author Info
    Lists
    Tables
    TL;DR / Summary
    About Page Link
    Recommendations (10)
    AI readiness recommendation preview...
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    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
    88/100
    14
    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
    15/15
    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.
    57/100
    C
    163 mg
    CO₂e / view
    1.6 MB
    Page Weight
    60%
    Cleaner Than
    New Visitor
    186 mg
    vs
    Returning (cached)
    93 mg
    Annual (10K/mo)
    19.5 kg
    Emission Segments
    Data Center
    8 mg
    Network
    48 mg
    Device
    107 mg
    Resource Breakdown
    JavaScript
    423.5 KB
    Images
    1.5 KB
    CSS
    14.2 KB
    Fonts
    299.3 KB
    HTML
    93.2 KB
    Other
    777.1 KB
    Green Hosting Verified
    Vercel
    Provider Match
    4 recommendations
    • •Carbon footprint recommendation preview...
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    A+

    Security Score

    91%Excellent
    Static / Informational

    HTTPS

    No WAF

    49d

    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

    17.04.2026

    Valid Until

    16.07.2026

    Subject Alternative Names (1)

    www.atgentertainment.de

    SHA-256 Fingerprint

    9D:14:71:95:57:42:6C:FB:0F:BD:7B:76:1D:99:8E:FE:38:37:20:58...

    Recommendations

    Security recommendation preview

    Upgrade to view recommendations
    Upgrade to view header details

    HTTP Headers

    Developer Console

    age
    527
    cache-control
    🟡 0s(public, max-age=0, must-revalidate)
    content-encoding
    ⚡ Brotli(br)
    content-security-policy
    default-src 'self'; script-src 'self' 'unsafe-eval' 'unsafe-...
    content-type
    text/html; charset=utf-8
    date
    Thu, 28 May 2026 11:54:31 GMT
    Good Warning Issue

    Email Infrastructure

    Mimecast

    Score

    93

    SPF
    DKIM
    DMARC

    DMARC Policy

    Quarantine (Moderate)

    MX Records (2)

    eu-smtp-inbound-2.mimecast.com
    eu-smtp-inbound-1.mimecast.com

    Domain Information

    atgentertainment.de

    Last Updated

    07.02.2024

    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
    Legitimate interest basis 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
    78/100
    Mobile Friendly24 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
    width=device-width, initial-scale=1
    1 recommendation
    • •Mobile compatibility recommendation preview...
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    Typography & Readability

    fontSecondary + fontPrimary

    WCAG Partial
    72/100
    Readability
    /30
    23/30

    16px · LH 1.50

    Hierarchy
    /20
    16/20

    3.5x ratio

    WCAG
    /25
    17/25

    1:1 min contrast

    Performance
    /25
    16/25

    2 fonts · 7 req

    Heading Font

    fontSecondary

    Sans56px

    Body Font

    fontPrimary

    Sans16px

    Contrast Ratio

    1:1

    4 issues

    Reading Comfort

    ~37 CPL

    Narrow lines
    56px
    h1
    48px
    h2
    24px
    h3
    16px
    p

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

    ✅ Optimal line spacing: 1.50 ratio (ideal range 1.4–1.6).

    ❌ Very complex text: Flesch score 29/100. Consider shorter sentences and simpler words.

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

    ⚠️ Minor heading issue: 1 level skip(s) detected. Maintain sequential order for screen readers.

    ✅ Strong hierarchy: Headlines are 3.5x larger than body text.

    Buy on MyFontsFlesch 29

    Color Palette

    6 unique colors
    12.38:1 AAA Dark
    #30353a
    Text· 32.6%
    #ffffff
    Background· 29.7%
    #332218
    Primary· 25.000000000000004%
    #0e0b09
    Secondary· 3.8%

    Business & Marketing Stack

    3 Tools Detected

    Advanced

    Behavior Analytics

    2
    Google Tag ManagerFree
    Google AnalyticsFree

    User behavior and product analytics

    Privacy & Cookies

    1
    CookiebotMid-Market

    Cookie consent and privacy compliance tools

    2

    Categories

    3

    Total Tools

    0

    Enterprise

    1

    Mid-Market

    Assessment: Well-developed marketing technology stack

    Sponsored

    Scripts & Styles

    21 Resources

    20
    Scripts
    1
    Styles
    16
    Async
    1
    Defer

    Top Script Sources

    local(17)consent.cookiebot.com(2)consentcdn.cookiebot.com(1)

    Website Identity

    ATG Entertainment GmbH

    ATG Entertainment GmbH

    Organization

    ATG Entertainment – Erlebe fantastische Shows! …

    kontakt@atgentertainment.de
    +49 221 569395-0

    Hans-Imhoff-Straße 2, Koeln

    50679, Koeln, Nordrhein-Westfalen

    DE

    Location detected: 🇩🇪 Germany, Koelnvia schema_nap
    📧 Mimecastde

    Sponsored

    Last analyzed: 28 May 2026 at 12:03

    Historical Analysis & Change Tracking