hfg-offenbach.de
HfG Offenbach
Last scanned Aug 24, 2026, 1:22 PM · 1 view
Overall score
Fair
Summary
This website uses Ruby on Rails hosted on HETZNER-AS - Hetzner Online GmbH, DE. SEO is fair (60/100) and accessibility is excellent (100/100). Security scores good (80/100) and performance good (85/100). Top issue: Missing meta description.
- Germany
- Hosted on HETZNER-AS - Hetzner Online GmbH, DE
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.
Missing meta description
SEOAdd a ~150-character meta description to control your search-result snippet and lift click-through rate.
2 cookies without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
Multiple H1 headings found
SEOKeep a single H1 per page and demote the others to H2/H3.
+3 more issues — details in the sections below.
SEO
6 issue(s) found
Performance
547 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Meta tags
- Title
- HfG Offenbach
- Description
- Canonical
- Language
- en
- Charset
- Viewport
- initial-scale=1, maximum-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- HETZNER-AS - Hetzner Online GmbH, DE
- CDN provider
- —
- IP address
- 49.12.115.22
- ASN
- AS24940 (HETZNER-AS - Hetzner Online GmbH, DE)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX |
|
| TXT |
|
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Hellenic Academic and Research Institutions CA
- Subject
- hfg-offenbach.de
- Valid from
- Jul 23, 2026
- Valid to
- Feb 7, 2027
- Days until expiry
- 166
- SAN domains
- hfg-offenbach.de
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: none · 2 cookie(s) observed
Content & assets
Headings
H1 5 · H2 3 · H3 10
Links
21 internal · 5 external · 0 broken
Images
11 total · 2 missing alt
Scripts / Styles
8 scripts · 1 stylesheets
JS / CSS size
1.0 MB · 98.3 KB
Page size
23.8 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing meta description
- Missing canonical link
- Multiple H1 headings found
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://hfg-offenbach.de
- Final URL
- https://hfg-offenbach.de
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 547 ms
- HTML size
- 23.8 KB
- Redirect chain
- https://hfg-offenbach.de
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does hfg-offenbach.de use?
- hfg-offenbach.de is built with Ruby on Rails.
- Is hfg-offenbach.de secure (HTTPS)?
- Yes. hfg-offenbach.de uses TLS 1.3 with a certificate issued by Hellenic Academic and Research Institutions CA, valid until Feb 7, 2027.
- Who hosts hfg-offenbach.de?
- hfg-offenbach.de is hosted on HETZNER-AS - Hetzner Online GmbH, DE.
- What is hfg-offenbach.de's SEO score?
- hfg-offenbach.de scored 60/100 for SEO in the latest analysis (fair).
- What is hfg-offenbach.de's overall website score?
- hfg-offenbach.de has an overall SiteGraph score of 79/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card