adk.de
Startseite | Akademie der Künste
Last scanned Jul 27, 2026, 2:43 PM · 1 view
Overall score
Great
Summary
Die internationale Künstler*innensozietät schafft durch Ausstellungen und Veranstaltungen eine Stätte der Begegnung für Kunst- und Kulturinteressierte. This website uses Angular hosted on HETZNER-AS - Hetzner Online GmbH, DE. SEO is excellent (90/100) and accessibility is excellent (100/100). Security scores good (75/100) and performance good (80/100). Top issue: robots.txt not found.
Die internationale Künstler*innensozietät schafft durch Ausstellungen und Veranstaltungen eine Stätte der Begegnung für Kunst- und Kulturinteressierte.
- Germany
- Hosted on HETZNER-AS - Hetzner Online GmbH, DE
Top issues to fix
6 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.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
6 broken links on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
2 issue(s) found
Performance
321 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.
Source: https://adk.de/contact
Meta tags
- Title
- Startseite | Akademie der Künste
- Description
- Die internationale Künstler*innensozietät schafft durch Ausstellungen und Veranstaltungen eine Stätte der Begegnung für Kunst- und Kulturinteressierte.
- Canonical
- https://adk.de/startseite
- Language
- de
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- all
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- HETZNER-AS - Hetzner Online GmbH, DE
- CDN provider
- —
- IP address
- 95.217.6.39
- ASN
- AS24940 (HETZNER-AS - Hetzner Online GmbH, DE)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX |
|
| TXT |
|
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- adk.de
- Valid from
- Jun 18, 2026
- Valid to
- Sep 16, 2026
- Days until expiry
- 50
- SAN domains
- adk.berlin, adk.de, akademie-der-kuenste.eu, anna-seghers-museum.de, bertolt-brecht-archiv.de, brecht-weigel-museum.de, die-oeffentliche-sache.de, die-oeffentliche-sache.eu, die-oeffentliche-sache.net, exilarchive.adk.de, frontend.adk.de, heinrich-zille.net, initial.adk.de, initial2.adk.de, pariserplatz4.de, wokommenwirhin.de, www.adk.berlin, www.adk.de, www.akademie-der-kuenste.eu, www.anna-seghers-museum.de, www.bertolt-brecht-archiv.de, www.brecht-weigel-museum.de, www.die-oeffentliche-sache.de, www.die-oeffentliche-sache.eu, www.die-oeffentliche-sache.net, www.exilarchive.adk.de, www.frontend.adk.de, www.heinrich-zille.net, www.initial.adk.de, www.initial2.adk.de, www.pariserplatz4.de, www.wokommenwirhin.de
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 14 · H3 25
Links
93 internal · 8 external · 6 broken
Images
25 total · 0 missing alt
Scripts / Styles
6 scripts · 1 stylesheets
JS / CSS size
245 KB · 455 KB
Page size
573 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- robots.txt not 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://adk.de
- Final URL
- https://adk.de
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 310 ms
- HTML size
- 573 KB
- Redirect chain
- https://adk.de
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does adk.de use?
- adk.de is built with Angular, Express, Node.js, Nginx.
- Is adk.de secure (HTTPS)?
- Yes. adk.de uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 16, 2026.
- Who hosts adk.de?
- adk.de is hosted on HETZNER-AS - Hetzner Online GmbH, DE.
- What is adk.de's SEO score?
- adk.de scored 90/100 for SEO in the latest analysis (excellent).
- What is adk.de's overall website score?
- adk.de has an overall SiteGraph score of 86/100, combining SEO, performance, security, and accessibility.
- Is adk.de hiring?
- adk.de has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card