rudern.de
rudern.de
Last scanned Aug 24, 2026, 1:22 PM · 1 view
Overall score
Fair
Summary
This website uses Nginx. SEO is fair (55/100) and accessibility is excellent (90/100). Security scores excellent (90/100) and performance good (75/100). Top issue: Missing meta description.
Top issues to fix
7 issues found · 3 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing meta description
SEOAdd a ~150-character meta description to control your search-result snippet and lift click-through rate.
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.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
Missing OpenGraph tags
SEOAdd og:title/og:description/og:image so shared links render a proper preview card.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
+1 more issue — details in the sections below.
SEO
6 issue(s) found
Performance
402 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
Meta tags
- Title
- rudern.de
- Description
- Canonical
- https://www.rudern.de/
- Language
- de
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
- https://www.rudern.de/favicon-assets/manifest.json
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
- Let's Encrypt
- Subject
- rudern.de
- Valid from
- Aug 1, 2026
- Valid to
- Oct 30, 2026
- Days until expiry
- 65
- SAN domains
- aktivenpass.rudern.de, archiv.rudern.de, assets.rudern.de, attention.rudern.de, bilder.rudern.de, downloads.rudern.de, fotos.rudern.de, gewaesser.rudern.de, guru.rudern.de, klasse.rudern.de, legacy.rudern.de, opus.rudern.de, ruderjugend.org, rudern.de, schemas.rudern.de, sicher.rudern.de, styleguide.rudern.de, trainingsdaten-mobil.rudern.de, trainingsdaten.rudern.de, verwaltung.rudern.de, www.ruderjugend.org, www.rudern.de
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 0 · H2 16 · H3 35
Links
362 internal · 35 external · 0 broken
Images
166 total · 26 missing alt
Scripts / Styles
13 scripts · 2 stylesheets
JS / CSS size
1.1 MB · 57.1 KB
Page size
570 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing meta description
- No H1 heading found
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- No H1 heading found
Scan details
- Requested URL
- https://rudern.de
- Final URL
- https://www.rudern.de/
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 391 ms
- HTML size
- 570 KB
- Redirect chain
- https://rudern.de → https://www.rudern.de/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does rudern.de use?
- rudern.de is built with Drupal, Google Analytics, Nginx.
- Is rudern.de secure (HTTPS)?
- Yes. rudern.de uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 30, 2026.
- Who hosts rudern.de?
- Hosting provider information for rudern.de is not available yet.
- What is rudern.de's SEO score?
- rudern.de scored 55/100 for SEO in the latest analysis (fair).
- What is rudern.de's overall website score?
- rudern.de has an overall SiteGraph score of 76/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card