dlr.de
Deutsches Zentrum für Luft- und Raumfahrt
Last scanned Aug 1, 2026, 7:00 AM · 11 views
Overall score
Fair
Summary
Das Deutsche Zentrum für Luft- und Raumfahrt (DLR) ist das Forschungszentrum der Bundesrepublik Deutschland für Luft- und Raumfahrt. This website uses React behind Fastly CDN. SEO is fair (60/100) and accessibility is excellent (90/100). Security scores good (75/100) and performance good (80/100). Top issue: Meta description longer than 160 characters.
Das Deutsche Zentrum für Luft- und Raumfahrt (DLR) ist das Forschungszentrum der Bundesrepublik Deutschland für Luft- und Raumfahrt. Seine Forschungs- und Entwicklungsarbeiten in Luftfahrt, Raumfahrt, Energie, Verkehr und Sicherheit sind in nationale und internationale Kooperationen eingebunden.
Top issues to fix
10 issues found · 2 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
No H1 heading found
SEOAdd exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
+4 more issues — details in the sections below.
SEO
6 issue(s) found
Performance
1.18 s
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Score history
+7 overall since Jul 25, 2026
- Overall
- 75
- SEO
- 60
- Security
- 75
- Performance
- 80
- Accessibility
- 90
Organization
Company details published in this site's own structured data.
Das Deutsche Zentrum für Luft- und Raumfahrt (DLR) ist das Forschungszentrum der Bundesrepublik Deutschland für Luft- und Raumfahrt. Seine Forschungs- und Entwicklungsarbeiten in Luftfahrt, Raumfahrt, Energie, Verkehr und Sicherheit sind in nationale und internationale Kooperationen eingebunden.
Meta tags
- Title
- Deutsches Zentrum für Luft- und Raumfahrt
- Description
- Das Deutsche Zentrum für Luft- und Raumfahrt (DLR) ist das Forschungszentrum der Bundesrepublik Deutschland für Luft- und Raumfahrt. Seine Forschungs- und Entwicklungsarbeiten in Luftfahrt, Raumfahrt, Energie, Verkehr und Sicherheit sind in nationale und internationale Kooperationen eingebunden.
- Canonical
- Language
- de
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
- https://WWW.DLR.DE/site.webmanifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- Fastly
- IP address
- —
- ASN
- —
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
- www.dlr.de
- Valid from
- Nov 5, 2025
- Valid to
- Nov 5, 2026
- Days until expiry
- 96
- SAN domains
- www.dlr.de, dlr.de, web-datastore.dlr.de, www.web-datastore.dlr.de
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 0 · H2 31 · H3 0
Links
140 internal · 17 external · 20 broken
Images
29 total · 0 missing alt
Scripts / Styles
7 scripts · 1 stylesheets
JS / CSS size
456 KB · 0 B
Page size
545 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Meta description longer than 160 characters
- Missing canonical link
- 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://dlr.de
- Final URL
- https://WWW.DLR.DE/de
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 1.17 s
- HTML size
- 545 KB
- Redirect chain
- https://dlr.de → https://WWW.DLR.DE/ → https://WWW.DLR.DE/de
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Frequently asked questions
- What technology does dlr.de use?
- dlr.de is built with React.
- Is dlr.de secure (HTTPS)?
- Yes. dlr.de uses TLS 1.3 with a certificate issued by Hellenic Academic and Research Institutions CA, valid until Nov 5, 2026.
- Who hosts dlr.de?
- Hosting provider information for dlr.de is not available yet.
- What is dlr.de's SEO score?
- dlr.de scored 60/100 for SEO in the latest analysis (fair).
- What is dlr.de's overall website score?
- dlr.de has an overall SiteGraph score of 75/100, combining SEO, performance, security, and accessibility.
- Has dlr.de's score changed over time?
- dlr.de's overall score has improved by 7 points (from 68 to 75) since Jul 25, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card