gsi.de
GSI - Aktuelles
Last scanned Aug 2, 2026, 11:00 PM · 7 views
Overall score
Great
Summary
This website uses Apache. SEO is fair (65/100) and accessibility is excellent (100/100). Security scores fair (70/100) and performance excellent (100/100). Top issue: Missing meta description.
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.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Multiple H1 headings found
SEOKeep a single H1 per page and demote the others to H2/H3.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
+3 more issues — details in the sections below.
SEO
5 issue(s) found
Performance
573 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
-1 overall since Jul 26, 2026
- Overall
- 82
- SEO
- 65
- Security
- 70
- Performance
- 100
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Meta tags
- Title
- GSI - Aktuelles
- Description
- Canonical
- https://www.gsi.de/start/aktuelles
- Language
- de-DE
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1.0
- Robots meta
- ALL
- Manifest
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 1.2
- Issuer
- Hellenic Academic and Research Institutions CA
- Subject
- www.gsi.de
- Valid from
- Jul 28, 2026
- Valid to
- Feb 12, 2027
- Days until expiry
- 193
- SAN domains
- www.gsi.de, laspec.fair-center.de, appa-rd.fair-center.eu, gsi.de, universum-im-labor.de, fair-center.eu, universe-in-the-lab.org, nustar.fair-center.eu, mats.fair-center.de, laspec.fair-center.eu, fp7.fair-center.eu, fair-center.com, www.fair-center.eu, mats.fair-center.eu, www.fair-center.com, fair-center.net, fsp-appa.fair-center.eu, ecard.gsi.de, www.fair-center.net, www.fair-center.de, www.universum-im-labor.de, fair-center.de, cbm.fair-center.eu, www.fair-center.org, cbm.fair-center.de, www.universe-in-the-lab.org, nustar.fair-center.de, fair-center.org
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 7 · H2 3 · H3 0
Links
74 internal · 23 external · 20 broken
Images
20 total · 0 missing alt
Scripts / Styles
10 scripts · 3 stylesheets
JS / CSS size
1.7 KB · 0 B
Page size
37.3 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing meta description
- Multiple H1 headings found
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://gsi.de
- Final URL
- https://www.gsi.de/start/aktuelles
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 573 ms
- HTML size
- 37.3 KB
- Redirect chain
- https://gsi.de → https://www.gsi.de/ → https://www.gsi.de/start/aktuelles
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does gsi.de use?
- gsi.de is built with Apache.
- Is gsi.de secure (HTTPS)?
- Yes. gsi.de uses TLS 1.2 with a certificate issued by Hellenic Academic and Research Institutions CA, valid until Feb 12, 2027.
- Who hosts gsi.de?
- Hosting provider information for gsi.de is not available yet.
- What is gsi.de's SEO score?
- gsi.de scored 65/100 for SEO in the latest analysis (fair).
- What is gsi.de's overall website score?
- gsi.de has an overall SiteGraph score of 82/100, combining SEO, performance, security, and accessibility.
- Has gsi.de's score changed over time?
- gsi.de's overall score has declined by 1 point (from 83 to 82) since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card