dena.de
Deutsche Energie-Agentur GmbH (dena) | dena
Last scanned Aug 3, 2026, 9:00 PM · 10 views
Overall score
Excellent
Summary
Effizient, intelligent und nachhaltig – so soll Energie in Zukunft erzeugt und genutzt werden. This website uses PHP. SEO is good (85/100) and accessibility is excellent (100/100). Security scores good (80/100) and performance excellent (100/100). Top issue: Meta description longer than 160 characters.
Effizient, intelligent und nachhaltig – so soll Energie in Zukunft erzeugt und genutzt werden. Das erreicht die Deutsche Energie-Agentur mit Partnern und Kunden aus dem öffentlichen und privaten Sektor. Gemeinsam treiben wir die Energiewende und den Klimaschutz voran.
Top issues to fix
6 issues found · 1 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
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.
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.
2 broken links on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
3 issue(s) found
Performance
371 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
0 overall since Jul 26, 2026
- Overall
- 91
- SEO
- 85
- Security
- 80
- Performance
- 100
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Effizient, intelligent und nachhaltig – so soll Energie in Zukunft erzeugt und genutzt werden. Das erreicht die Deutsche Energie-Agentur mit Partnern und Kunden aus dem öffentlichen und privaten Sektor. Gemeinsam treiben wir die Energiewende und den Klimaschutz voran.
Meta tags
- Title
- Deutsche Energie-Agentur GmbH (dena) | dena
- Description
- Effizient, intelligent und nachhaltig – so soll Energie in Zukunft erzeugt und genutzt werden. Das erreicht die Deutsche Energie-Agentur mit Partnern und Kunden aus dem öffentlichen und privaten Sektor. Gemeinsam treiben wir die Energiewende und den Klimaschutz voran.
- Canonical
- https://www.dena.de/
- Language
- de-DE
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1.0
- Robots meta
- index, follow
- Manifest
- https://www.dena.de/site.webmanifest
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
- Sectigo Limited
- Subject
- *.dena.de
- Valid from
- Jun 30, 2026
- Valid to
- Jan 14, 2027
- Days until expiry
- 164
- SAN domains
- *.dena.de, dena.de
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyEnabled
- X-Frame-OptionsMissing
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 9 · H3 18
Links
80 internal · 12 external · 2 broken
Images
26 total · 2 missing alt
Scripts / Styles
10 scripts · 2 stylesheets
JS / CSS size
1.5 KB · 3.2 KB
Page size
87.6 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
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://dena.de
- Final URL
- https://www.dena.de/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 370 ms
- HTML size
- 87.6 KB
- Redirect chain
- https://dena.de → https://www.dena.de/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does dena.de use?
- dena.de is built with Vue.js, PHP, Apache.
- Is dena.de secure (HTTPS)?
- Yes. dena.de uses TLS 1.3 with a certificate issued by Sectigo Limited, valid until Jan 14, 2027.
- Who hosts dena.de?
- Hosting provider information for dena.de is not available yet.
- What is dena.de's SEO score?
- dena.de scored 85/100 for SEO in the latest analysis (great).
- What is dena.de's overall website score?
- dena.de has an overall SiteGraph score of 91/100, combining SEO, performance, security, and accessibility.
- Has dena.de's score changed over time?
- dena.de's overall score has stayed steady at 91/100 since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card