Is duh.de secure (HTTPS)?

Yes. duh.de uses TLS 1.3 with a certificate issued by DigiCert Inc, valid until Jan 13, 2027.

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.

Has duh.de's score changed over time?

duh.de's overall score has stayed steady at 85/100 since Jul 26, 2026.

duh.de

Wir setzen Umweltschutz durch – Deutsche Umwelthilfe e.V.

Last scanned Aug 6, 2026, 2:00 AM · 18 views

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

7 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 X-Content-Type-Options header
Security
Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
Security
Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
No structured data (JSON-LD) found
SEO
Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.
robots.txt not found
SEO
Publish /robots.txt with a Sitemap: directive to guide crawlers.

+1 more issue — details in the sections below.

SEO

3 issue(s) found

100

Performance

433 ms

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Score history

0 overall since Jul 26, 2026

Overall: 85
SEO: 80
Security: 65
Performance: 100
Accessibility: 100

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.

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

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.

PHP jQuery Google Analytics Google Ads Meta Pixel TikTok Pixel Nginx

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: 160
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

92 internal · 22 external · 0 broken

Images

65 total · 3 missing alt

Scripts / Styles

53 scripts · 6 stylesheets

JS / CSS size

718 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

Scan details

Requested URL: https://duh.de
Final URL: https://www.duh.de/
HTTP status: 200
HTTP version: HTTP/2
Response time: 430 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, Google Analytics, Google Ads, 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.
Has duh.de's score changed over time?: duh.de's overall score has stayed steady at 85/100 since Jul 26, 2026.