duh.de
Wir setzen Umweltschutz durch – Deutsche Umwelthilfe e.V.
Last scanned Jul 26, 2026, 5:47 AM
Overall score
Great
Summary
Die Deutsche Umwelthilfe verbindet Naturschutz mit Verbraucherschutz und setzt sich für den Erhalt unserer natürlichen Lebensgrundlagen ein. This website uses PHP. SEO is good (80/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: No structured data (JSON-LD) found.
Die Deutsche Umwelthilfe verbindet Naturschutz mit Verbraucherschutz und setzt sich für den Erhalt unserer natürlichen Lebensgrundlagen ein.
Top issues to fix
8 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.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
+2 more issues — details in the sections below.
SEO
3 issue(s) found
Performance
612 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Die Deutsche Umwelthilfe verbindet Naturschutz mit Verbraucherschutz und setzt sich für den Erhalt unserer natürlichen Lebensgrundlagen ein.
Meta tags
- Title
- Wir setzen Umweltschutz durch – Deutsche Umwelthilfe e.V.
- Description
- Die Deutsche Umwelthilfe verbindet Naturschutz mit Verbraucherschutz und setzt sich für den Erhalt unserer natürlichen Lebensgrundlagen ein.
- Canonical
- https://www.duh.de/home/
- Language
- de
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- index,follow,noarchive
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- —
- 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
- DigiCert Inc
- Subject
- *.duh.de
- Valid from
- Jun 29, 2026
- Valid to
- Jan 13, 2027
- Days until expiry
- 169
- SAN domains
- *.duh.de, duh.de
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 22 · H3 11
Links
94 internal · 20 external · 20 broken
Images
64 total · 3 missing alt
Scripts / Styles
31 scripts · 6 stylesheets
JS / CSS size
1.9 KB · 2.8 KB
Page size
152 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://duh.de
- Final URL
- https://www.duh.de/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 609 ms
- HTML size
- 152 KB
- Redirect chain
- https://duh.de → https://www.duh.de/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does duh.de use?
- duh.de is built with PHP, jQuery, Meta Pixel, TikTok Pixel, Nginx.
- Is duh.de secure (HTTPS)?
- Yes. duh.de uses TLS 1.3 with a certificate issued by DigiCert Inc, valid until Jan 13, 2027.
- Who hosts duh.de?
- Hosting provider information for duh.de is not available yet.
- What is duh.de's SEO score?
- duh.de scored 80/100 for SEO in the latest analysis (great).
- What is duh.de's overall website score?
- duh.de has an overall SiteGraph score of 85/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card