dbu.de
DBU - Deutsche Bundesstiftung Umwelt
Last scanned Aug 5, 2026, 3:00 AM · 7 views
Overall score
Fair
Summary
Die Deutsche Bundesstiftung Umwelt (DBU) fördert dem Stiftungsauftrag und dem Leitbild entsprechend innovative, modellhafte und lösungsorientierte Vorhaben…. This website uses WordPress. SEO is excellent (95/100) and accessibility is fair (60/100). Security scores fair (65/100) and performance fair (60/100). Top issue: sitemap.xml not found.
Die Deutsche Bundesstiftung Umwelt (DBU) fördert dem Stiftungsauftrag und dem Leitbild entsprechend innovative, modellhafte und lösungsorientierte Vorhaben…
Top issues to fix
9 issues found · 3 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.
Over half of images are missing alt text
AccessibilityAdd alt attributes to images — screen readers depend on them, and they help image SEO.
TLS certificate expires in 22 days
SecurityRenew soon or enable auto-renewal to avoid a browser-warning outage.
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.
+3 more issues — details in the sections below.
SEO
1 issue(s) found
Performance
589 ms
Security
HTTPS & header checks
Accessibility
2 issue(s) found
Score history
-1 overall since Jul 27, 2026
- Overall
- 72
- SEO
- 95
- Security
- 65
- Performance
- 60
- Accessibility
- 60
Organization
Company details published in this site's own structured data.
Meta tags
- Title
- DBU - Deutsche Bundesstiftung Umwelt
- Description
- Die Deutsche Bundesstiftung Umwelt (DBU) fördert dem Stiftungsauftrag und dem Leitbild entsprechend innovative, modellhafte und lösungsorientierte Vorhaben…
- Canonical
- https://www.dbu.de/
- Language
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- max-snippet:-1,max-image-preview:large,max-video-preview:-1
- Manifest
- https://www.dbu.de/app/themes/dbu/site.webmanifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- —
- IP address
- 195.60.121.223
- 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
- www.dbu.eu
- Valid from
- Jul 29, 2025
- Valid to
- Aug 27, 2026
- Days until expiry
- 22
- SAN domains
- www.dbu.eu, dbu.eu, deutsche-bundesstiftung-umwelt.de, www.deutsche-bundesstiftung-umwelt.de, ausstellung-menschenwelt.de, www.ausstellung-menschenwelt.de, ausstellung-ueberlebensmittel.de, www.ausstellung-ueberlebensmittel.de, energie-at-home.de, www.energie-at-home.de, faszinatur.net, www.faszinatur.net, inspiration-natur.net, www.inspiration-natur.net, jugend-natur-landwirtschaft.de, www.jugend-natur-landwirtschaft.de, jugend-zukunft-vielfalt.de, www.jugend-zukunft-vielfalt.de, jugendwerkstatt-wandelbar.de, www.jugendwerkstatt-wandelbar.de, klimawerkstatt.net, www.klimawerkstatt.net, konsumkompass.com, www.konsumkompass.com, modernisierungsbuendnisse.de, www.modernisierungsbuendnisse.de, nachhaltig.digital, www.nachhaltig.digital, nationalesnetzwerknatur.de, www.nationalesnetzwerknatur.de, nationales-netzwerk-natur.de, www.nationales-netzwerk-natur.de, planetgesundheit.org, www.planetgesundheit.org, sanieren-profitieren.de, www.sanieren-profitieren.de, t-shirts-tueten-und-tenside.de, www.t-shirts-tueten-und-tenside.de, umweltstiftung.de, www.umweltstiftung.de, wasser-wissen.net, www.wasser-wissen.net, wildnis-naturerbe.de, www.wildnis-naturerbe.de, woche-der-umwelt.de, www.woche-der-umwelt.de, zsm-2015.de, www.zsm-2015.de, zukunftsprojekt-energiewende.de, www.zukunftsprojekt-energiewende.de, *.dbu.de, dbu-alumni.de, www.dbu-alumni.de, dbu.de, gruenstadtgrau.org, www.gruenstadtgrau.org, zukunft-zuhause.net, www.zukunft-zuhause.net, jetztgehtsrund.org, www.jetztgehtsrund.org, webmail.jugend-zukunft-vielfalt.de
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: none · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 2 · H3 0
Links
134 internal · 14 external · 2 broken
Images
1 total · 1 missing alt
Scripts / Styles
9 scripts · 3 stylesheets
JS / CSS size
4.7 MB · 629 KB
Page size
72.5 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 1
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- sitemap.xml not found
Accessibility issues
- Over half of images are missing alt text
- Missing <html lang> attribute
Scan details
- Requested URL
- https://dbu.de
- Final URL
- https://www.dbu.de/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 588 ms
- HTML size
- 72.5 KB
- Redirect chain
- https://dbu.de → https://www.dbu.de/
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Frequently asked questions
- What technology does dbu.de use?
- dbu.de is built with WordPress, Nginx.
- Is dbu.de secure (HTTPS)?
- Yes. dbu.de uses TLS 1.3 with a certificate issued by DigiCert Inc, valid until Aug 27, 2026.
- Who hosts dbu.de?
- Hosting provider information for dbu.de is not available yet.
- What is dbu.de's SEO score?
- dbu.de scored 95/100 for SEO in the latest analysis (excellent).
- What is dbu.de's overall website score?
- dbu.de has an overall SiteGraph score of 72/100, combining SEO, performance, security, and accessibility.
- Has dbu.de's score changed over time?
- dbu.de's overall score has declined by 1 point (from 73 to 72) since Jul 27, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card