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theater-wien.at

https://theater-wien.at· First analyzed 18 May 2026· Updated 18 May 2026
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theater-wien.at
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Mobile

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Hosting Provider

WH IT Services GmbH

IP Address

185.26.190.146

Site Location

🇦🇹 Austriavia phone

Server Location

🇦🇹 Vienna, Austria

ASN

AS8412

Organization

WH IT Services GmbH

Server

Apache

Nameservers

ns6.kapper.net.ns5.kapper.net.ns1.kapper.net.ns3.kapper.net.+4 more

Performance

96

Core Web Vitals

Weight

First Contentful Paint
1.1 s10%
Speed Index
1.4 s10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
6.1 MB
79 requests

Image Optimization

Lazy LoadWebPResponsive
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Infrastructure
Hosting
WH IT Services GmbH

Technology Stack

11 Technologies Detected

Analytics

3
Google Analytics
Google Analytics 4
Matomo

Libraries

2
jQuery
Swiper

Advertising

2
Google AdsGoogle AdSense

CSS Frameworks

1
Tailwind CSS

Tag Managers

1
Google Tag Manager

Web Servers

1
Apache

Customer Support

1
Zendesk

SEO Analysis

C67/100
20
9
0
Meta Tags7/15
Content10/12
Headings6/8
Technical18/25
E-E-A-T3/7
Images4/7
Links5/5
URL5/5
Social0/5
Freshness2/4
Mobile4/4
Indexability3/3
T
theater-wien.attheater-wien.at

Home | theater-wien.at

As a stagione theatre, the MusikTheater an der Wien offers a varied programme: staged opera performances, concert evenings, a wide range of TaWumm! events (t...

Description truncated.
Title Length22 chars

Recommended: 50-60 chars (~135px / 580px)

Description Length236 chars

Recommended: 120-160 chars

Issues (0)

    9 issues found

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    Crawlability

    Sitemap
    robots.txt

    13 rules

    Local SEO

    Local Search Readiness

    17/100
    Poor
    5 11 2

    This site doesn't appear to be a local business. Local SEO signals are optional for non-local websites.

    Sponsored

    AI & LLM Readiness

    D41/100
    Bot Access
    19/25
    Machine Read.
    11/25
    Schema Data
    0/25
    Citation
    11/25

    AI Bot Access

    13/14 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:7%
    Words:724
    Token eff.:Optimal
    Sections/1K:33.1
    Depth:2/5

    Structured Data

    No Schema

    Citation Readiness

    Opening Summary13w
    Descriptive Headingsavg 3w
    Canonical URL
    Open Graph0/3
    Twitter Card0/3
    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+
    90/100
    16
    Passed
    3
    Critical
    1
    Warnings
    Images & Alt Text
    20/20
    Checks if images have descriptive alt text for screen readers and visually impaired users.
    Semantic Structure
    15/20
    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
    10/15
    Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.
    1 recommendation
    • •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.
    24/100
    F
    777 mg
    CO₂e / view
    6.1 MB
    Page Weight
    5%
    Cleaner Than
    New Visitor
    888 mg
    vs
    Returning (cached)
    444 mg
    Annual (10K/mo)
    93.3 kg
    Emission Segments
    Data Center
    174 mg
    Network
    187 mg
    Device
    417 mg
    Resource Breakdown
    JavaScript
    153.6 KB
    Images
    5.1 MB
    CSS
    935.4 KB
    HTML
    11.7 KB
    Other
    491 B
    Green Hosting Not Verified
    WH IT Services GmbH
    7 recommendations
    • •Carbon footprint recommendation preview...
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    D

    Security Score

    56%Poor
    Interactive

    HTTPS

    No WAF

    270d

    Certificate Details

    Type

    Domain Validated (DV)

    Certificate Authority

    GoDaddy.com, Inc.

    Key Algorithm

    RSA (4096 bit)

    Signature

    SHA-256 with RSA

    TLS Version

    TLSv1.3

    HTTP Protocol

    HTTP/2

    Valid From

    12.01.2026

    Valid Until

    13.02.2027

    OCSP Stapling

    Enabled

    Subject Alternative Names (2)

    *.theater-wien.attheater-wien.at

    SHA-256 Fingerprint

    8D:E6:FF:40:BF:C0:75:63:DF:27:9F:20:25:3B:FE:8C:92:E2:75:63...

    Top Recommendations

    Security recommendation preview

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    Upgrade to view header details

    HTTP Headers

    Developer Console

    cache-control
    🔴 No Cache(no-store, no-cache, must-revalidate)
    content-encoding
    📦 Gzip(gzip)
    content-language
    en
    content-length
    11700
    content-type
    text/html; charset=UTF-8
    date
    Mon, 18 May 2026 20:03:54 GMT
    Good Warning Issue

    Email Infrastructure

    Microsoft 365

    Score

    75

    SPF
    DKIM
    DMARC

    MX Records (1)

    theaterwien-at01i.mail.protection.outlook.com

    Domain Information

    theater-wien.at

    Registrar

    kapper.net - Kapper NETWORK-COMMUNICATIONS GmbH ( https://nic.at/registrar/114 )

    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

    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.
    C
    67/100
    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=1.0
    1 recommendation
    • •Mobile compatibility recommendation preview...
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    Typography & Readability

    PPAgrandirWideBold + PPAgrandir

    WCAG Partial
    62/100
    Readability
    /30
    18/30

    15px · LH 1.40

    Hierarchy
    /20
    16/20

    4.94x ratio · ✓ H1→H6

    WCAG
    /25
    14/25

    1:1 min contrast

    Performance
    /25
    14/25

    3 fonts · 6 req

    Heading Font

    PPAgrandirWideBold

    Sans74px

    Body Font

    PPAgrandir

    Sans15px

    Contrast Ratio

    1:1

    12 issues

    Reading Comfort

    ~41 CPL

    Narrow lines
    74px
    h1
    40px
    h2
    28px
    h3
    22px
    h4
    15px
    p

    ⚠️ Small text: 15px may strain on mobile. Use ≥16px for WCAG compliance.

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

    ⚠️ Partial contrast: 12 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 4.9x larger than body text.

    ⚠️ Fluid type without rem: clamp() detected but missing rem units. May fail WCAG 1.4.4 zoom test.

    Buy on MyFontsFluid TypeFlesch 55

    Color Palette

    9 unique colors
    Light
    #09202d
    Primary· 18.6%
    #000e16
    Accent· 16.099999999999998%
    #534e6a
    Secondary· 15.8%
    #004562
    Accent· 14.2%
    #734565
    Secondary· 12.4%
    #012e42
    Accent· 10.4%
    #234e6a
    Secondary· 8.8%
    #919aa8
    Secondary· 3.2%

    Business & Marketing Stack

    3 Tools Detected

    Advanced

    Behavior Analytics

    2
    Google Tag ManagerFree
    Google AnalyticsFree

    User behavior and product analytics

    Advertising

    1
    Google AdsEnterprise

    Ad platforms and retargeting pixels

    2

    Categories

    3

    Total Tools

    1

    Enterprise

    0

    Mid-Market

    Assessment: Well-developed marketing technology stack

    Ad Networks

    Google AdSense

    Sponsored

    Scripts & Styles

    25 Resources

    15
    Scripts
    10
    Styles
    2
    Async
    0
    Defer

    Top Script Sources

    local(14)cdn.priv.center(1)

    Website Identity

    theater-wien.at

    +43158885111
    Location detected: 🇦🇹 Austriavia phone
    kapper.net - Kapper NETWORK-COMMUNICATIONS GmbH ( https://nic.at/registrar/114 )📧 Microsoft 365en

    Sponsored

    Last analyzed: 18 May 2026 at 20:04

    Historical Analysis & Change Tracking

    theater-wien.at Technology Stack - Built With jQuery, Tailwind CSS, Google Analytics, Google Analytics 4, Google Tag Manager | StackOptic | StackOptic