fli.de
Startseite | Friedrich-Loeffler-Institut
Last scanned Aug 24, 2026, 1:22 PM · 1 view
Overall score
Great
Summary
Friedrich-Loeffler-Institut. This website uses Apache. SEO is good (80/100) and accessibility is excellent (100/100). Security scores fair (70/100) and performance excellent (90/100). Top issue: No structured data (JSON-LD) found.
Friedrich-Loeffler-Institut
Top issues to fix
6 issues found · 2 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 X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
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.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
SEO
3 issue(s) found
Performance
601 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Friedrich-Loeffler-Institut
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- Startseite | Friedrich-Loeffler-Institut
- Description
- Friedrich-Loeffler-Institut
- Canonical
- https://www.fli.de/de/startseite/
- Language
- de
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no
- Robots meta
- INDEX,FOLLOW
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- —
- IP address
- 31.220.122.238
- ASN
- —
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
- www.fli.de
- Valid from
- Feb 2, 2026
- Valid to
- Feb 2, 2027
- Days until expiry
- 161
- SAN domains
- www.fli.de, fli.eu, www.fli.eu, fli.de
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 1 · H2 1 · H3 6
Links
465 internal · 15 external · 0 broken
Images
25 total · 0 missing alt
Scripts / Styles
4 scripts · 1 stylesheets
JS / CSS size
129 KB · 57.5 KB
Page size
308 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 2
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://fli.de
- Final URL
- https://www.fli.de/de/startseite
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 595 ms
- HTML size
- 308 KB
- Redirect chain
- https://fli.de → https://www.fli.de/ → https://www.fli.de/de/ → https://www.fli.de/de/startseite
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Frequently asked questions
- What technology does fli.de use?
- fli.de is built with Apache.
- Is fli.de secure (HTTPS)?
- Yes. fli.de uses TLS 1.3 with a certificate issued by Hellenic Academic and Research Institutions CA, valid until Feb 2, 2027.
- Who hosts fli.de?
- Hosting provider information for fli.de is not available yet.
- What is fli.de's SEO score?
- fli.de scored 80/100 for SEO in the latest analysis (great).
- What is fli.de's overall website score?
- fli.de has an overall SiteGraph score of 84/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card