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wiener-staatsoper.at

Die Wiener Staatsoper

Last scanned Jul 26, 2026, 5:47 AM

79

Overall score

Fair

Summary

Oper und Ballett in einem der berühmtesten Opernhäuser der Welt. This website uses Bootstrap behind Cloudflare CDN. SEO is fair (70/100) and accessibility is excellent (90/100). Security scores fair (70/100) and performance excellent (90/100). Top issue: No H1 heading found.

Oper und Ballett in einem der berühmtesten Opernhäuser der Welt.

Top issues to fix

8 issues found · 3 high priority

  • Missing Strict-Transport-Security header

    Security

    Add HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.

  • Missing Content-Security-Policy header

    Security

    Add a CSP to control which sources can run scripts — the strongest single defense against XSS.

  • No H1 heading found

    SEO

    Add exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.

  • Missing X-Frame-Options header

    Security

    Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.

  • No structured data (JSON-LD) found

    SEO

    Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.

  • robots.txt not found

    SEO

    Publish /robots.txt with a Sitemap: directive to guide crawlers.

+2 more issues — details in the sections below.

70

SEO

4 issue(s) found

90

Performance

1.42 s

70

Security

HTTPS & header checks

90

Accessibility

1 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

Organization

Company details published in this site's own structured data.

Oper und Ballett in einem der berühmtesten Opernhäuser der Welt.

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Meta tags

Title
Die Wiener Staatsoper
Description
Oper und Ballett in einem der berühmtesten Opernhäuser der Welt.
Canonical
https://www.wiener-staatsoper.at/
Language
de-at
Charset
utf-8
Viewport
width=device-width, initial-scale=1.0
Robots meta
Manifest
https://www.wiener-staatsoper.at/_assets/910bee06d528491db7b4da31de9d67ca/Icons/Favicon/site.webmanifest

OpenGraph & Twitter Card

OpenGraph

og:title
Die Wiener Staatsoper
og:description
Oper und Ballett in einem der berühmtesten Opernhäuser der Welt.
og:type
—
og:url
—

Twitter Card

twitter:card
summary
twitter:title
—
twitter:description
—

Technologies

Detected frameworks, languages, and tools.

Bootstrap

Hosting & CDN

Hosting provider
—
CDN provider
Cloudflare
IP address
—
ASN
—

DNS records

TypeValue
A—
AAAA—
MX—
TXT—
NS—
CAA—
CNAME—
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
Google Trust Services
Subject
wiener-staatsoper.at
Valid from
Jul 11, 2026
Valid to
Oct 9, 2026
Days until expiry
72
SAN domains
wiener-staatsoper.at, *.wiener-staatsoper.at

Security headers

  • Strict-Transport-SecurityMissing
  • Content-Security-PolicyMissing
  • X-Frame-OptionsMissing
  • X-Content-Type-OptionsEnabled
  • Referrer-PolicyMissing
  • Permissions-PolicyMissing

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 0 · H2 5 · H3 9

Links

123 internal · 24 external · 20 broken

Images

21 total · 0 missing alt

Scripts / Styles

13 scripts · 1 stylesheets

JS / CSS size

0 B · 0 B

Page size

217 KB

Robots.txt & Sitemap

robots.txt
Not found
Disallow rules
0
sitemap.xml
Not found
URLs in sitemap
0

SEO issues

  • No H1 heading found
  • No structured data (JSON-LD) found
  • robots.txt not found
  • sitemap.xml not found

Accessibility issues

  • No H1 heading found

Scan details

Requested URL
https://wiener-staatsoper.at
Final URL
https://www.wiener-staatsoper.at/
HTTP status
200
HTTP version
HTTP/2
Response time
1.42 s
HTML size
217 KB
Redirect chain
https://wiener-staatsoper.at → https://www.wiener-staatsoper.at/

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does wiener-staatsoper.at use?
wiener-staatsoper.at is built with Bootstrap.
Is wiener-staatsoper.at secure (HTTPS)?
Yes. wiener-staatsoper.at uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 9, 2026.
Who hosts wiener-staatsoper.at?
Hosting provider information for wiener-staatsoper.at is not available yet.
What is wiener-staatsoper.at's SEO score?
wiener-staatsoper.at scored 70/100 for SEO in the latest analysis (fair).
What is wiener-staatsoper.at's overall website score?
wiener-staatsoper.at has an overall SiteGraph score of 79/100, combining SEO, performance, security, and accessibility.