zkm.de
Zentrum für Kunst und Medien | ZKM
Last scanned Jul 26, 2026, 5:47 AM
Overall score
Excellent
Summary
Das ZKM Karlsruhe ist eine weltweit einzigartige Kulturinstitution – Erleben Sie vielfältige Ausstellungen und Veranstaltungen rund um das Thema Medienkunst. This website uses Nginx hosted on BELWUE - Universitaet Stuttgart, DE. SEO is good (85/100) and accessibility is excellent (100/100). Security scores good (80/100) and performance excellent (100/100). Top issue: No structured data (JSON-LD) found.
Das ZKM Karlsruhe ist eine weltweit einzigartige Kulturinstitution – Erleben Sie vielfältige Ausstellungen und Veranstaltungen rund um das Thema Medienkunst.
- Germany
- Hosted on BELWUE - Universitaet Stuttgart, DE
Top issues to fix
5 issues found · 2 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
1 broken link on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
2 issue(s) found
Performance
525 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Contact
Email, phone, and address published on this site's own pages.
- info@zkm.de
Meta tags
- Title
- Zentrum für Kunst und Medien | ZKM
- Description
- Das ZKM Karlsruhe ist eine weltweit einzigartige Kulturinstitution – Erleben Sie vielfältige Ausstellungen und Veranstaltungen rund um das Thema Medienkunst.
- Canonical
- https://zkm.de/de
- Language
- de
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1.0
- Robots meta
- index, follow
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- BELWUE - Universitaet Stuttgart, DE
- CDN provider
- —
- IP address
- 193.197.168.188
- ASN
- AS553 (BELWUE - Universitaet Stuttgart, DE)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX |
|
| TXT |
|
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Hellenic Academic and Research Institutions CA
- Subject
- zkm.de
- Valid from
- Dec 30, 2025
- Valid to
- Dec 30, 2026
- Days until expiry
- 156
- SAN domains
- zkm.de, www.zkm.de
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 25 · H3 18
Links
71 internal · 21 external · 1 broken
Images
26 total · 0 missing alt
Scripts / Styles
3 scripts · 2 stylesheets
JS / CSS size
282 KB · 206 KB
Page size
93.2 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 34
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- No structured data (JSON-LD) found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Careers
This company has an active careers page, but individual openings weren't reliably parsed from it — visit the page above for current listings.
Scan details
- Requested URL
- https://zkm.de
- Final URL
- https://zkm.de/de
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 524 ms
- HTML size
- 93.2 KB
- Redirect chain
- https://zkm.de → https://zkm.de/de
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does zkm.de use?
- zkm.de is built with Drupal, Nginx.
- Is zkm.de secure (HTTPS)?
- Yes. zkm.de uses TLS 1.3 with a certificate issued by Hellenic Academic and Research Institutions CA, valid until Dec 30, 2026.
- Who hosts zkm.de?
- zkm.de is hosted on BELWUE - Universitaet Stuttgart, DE.
- What is zkm.de's SEO score?
- zkm.de scored 85/100 for SEO in the latest analysis (great).
- What is zkm.de's overall website score?
- zkm.de has an overall SiteGraph score of 91/100, combining SEO, performance, security, and accessibility.
- Is zkm.de hiring?
- zkm.de has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card