What technology does belvedere.at use?

belvedere.at is built with Drupal, jQuery, Apache.

Is belvedere.at secure (HTTPS)?

Yes. belvedere.at uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 7, 2026.

Who hosts belvedere.at?

belvedere.at is hosted on internex-as - interneX GmbH, AT.

What is belvedere.at's SEO score?

belvedere.at scored 95/100 for SEO in the latest analysis (excellent).

What is belvedere.at's overall website score?

belvedere.at has an overall SiteGraph score of 87/100, combining SEO, performance, security, and accessibility.

belvedere.at

Belvedere Museum Wien | Österreichische Galerie Belvedere

Last scanned Jul 26, 2026, 5:47 AM

Overall score

Great

Summary

Eines der bedeutensten Museen und UNESCO-Weltkulturerbe. This website uses Apache hosted on internex-as - interneX GmbH, AT. SEO is excellent (95/100) and accessibility is excellent (100/100). Security scores good (80/100) and performance good (75/100). Top issue: Missing OpenGraph tags.

Eines der bedeutensten Museen und UNESCO-Weltkulturerbe. 800 Jahre Kunstgeschichte an drei Standorten. Ein einzigartiges Kulturerlebnis in Österreich.

Austria

Hosted on internex-as - interneX GmbH, AT

Top issues to fix

3 issues found · 2 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.
Missing OpenGraph tags
SEO
Add og:title/og:description/og:image so shared links render a proper preview card.

SEO

1 issue(s) found

Performance

463 ms

Security

HTTPS & header checks

100

Accessibility

0 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.

Eines der bedeutensten Museen und UNESCO-Weltkulturerbe. 800 Jahre Kunstgeschichte an drei Standorten. Ein einzigartiges Kulturerlebnis in Österreich.

Instagram Facebook X (Twitter)YouTube LinkedIn Instagram Facebook X (Twitter)YouTube

Contact

Email, phone, and address published on this site's own pages.

Phone: +43179557-0

Meta tags

Title: Belvedere Museum Wien | Österreichische Galerie Belvedere
Description: Eines der bedeutensten Museen und UNESCO-Weltkulturerbe. 800 Jahre Kunstgeschichte an drei Standorten. Ein einzigartiges Kulturerlebnis in Österreich.
Canonical: https://www.belvedere.at/
Language: de
Charset: utf-8
Viewport: width=device-width, initial-scale=1.0
Robots meta
Manifest

Technologies

Detected frameworks, languages, and tools.

Drupal jQuery Apache

Hosting & CDN

Hosting provider: internex-as - interneX GmbH, AT
CDN provider: —
IP address: 128.204.132.128
ASN: AS44453 (internex-as - interneX GmbH, AT)

DNS records

Type	Value
A	128.204.132.128
AAAA	—
MX	exchange.belvedere.at
TXT	apple-domain-verification=xnu9ARJ0TMDVvZ85 MS=ms95711379 v=spf1 ip4:193.170.121.0/24 ip4:213.143.97.19 a:smtp.jart.org a:serv38952511.secure-node.at a:mgw-01.sagedpw.at a:mgw-02.sagedpw.at include:spf.mailjet.com include:spf.crsend.com include:spf.protection.outlook.com -all MS=ms81320241 HARICA-W5vimNTPe8Zs8PdQAtq google-site-verification=6FAQCsXVNdUfjkXCUx1NLMJM6hOPvQphk62cRQh9E3k
NS	ns1.nameservice.at ns2.nameservice.at
CAA	—
CNAME	belvedere.at
IPv6 support	No

TLS / SSL certificate

Version: TLS 1.3
Issuer: Let's Encrypt
Subject: belvedere.at
Valid from: Jun 9, 2026
Valid to: Sep 7, 2026
Days until expiry: 42
SAN domains: belvedere.at, www.belvedere.at

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 12 · H3 32

Links

83 internal · 14 external · 0 broken

Images

51 total · 0 missing alt

Scripts / Styles

14 scripts · 5 stylesheets

JS / CSS size

1.1 MB · 2.3 MB

Page size

183 KB

Robots.txt & Sitemap

robots.txt: Found
Disallow rules: 48
sitemap.xml: Found
URLs in sitemap: 1638

SEO issues

Missing OpenGraph tags

Scan details

Requested URL: https://belvedere.at
Final URL: https://www.belvedere.at/
HTTP status: 200
HTTP version: HTTP/2
Response time: 460 ms
HTML size: 183 KB
Redirect chain: https://belvedere.at → https://www.belvedere.at/

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does belvedere.at use?: belvedere.at is built with Drupal, jQuery, Apache.
Is belvedere.at secure (HTTPS)?: Yes. belvedere.at uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 7, 2026.
Who hosts belvedere.at?: belvedere.at is hosted on internex-as - interneX GmbH, AT.
What is belvedere.at's SEO score?: belvedere.at scored 95/100 for SEO in the latest analysis (excellent).
What is belvedere.at's overall website score?: belvedere.at has an overall SiteGraph score of 87/100, combining SEO, performance, security, and accessibility.