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fiz-karlsruhe.de

Startseite | FIZ Karlsruhe

Last scanned Jul 26, 2026, 1:49 PM

91

Overall score

Excellent

Summary

FIZ Karlsruhe – Leibniz-Institut für Informationsinfrastruktur ist eine der großen Informationsinfrastruktureinrichtung in Deutschland. This website uses PHP hosted on ASN-FIZ - FIZ Karlsruhe - Leibniz-Institut fuer Informationsinfrastruktur GmbH, DE. SEO is good (85/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (90/100). Top issue: No structured data (JSON-LD) found.

FIZ Karlsruhe – Leibniz-Institut für Informationsinfrastruktur ist eine der großen Informationsinfrastruktureinrichtung in Deutschland

Germany
Hosted on ASN-FIZ - FIZ Karlsruhe - Leibniz-Institut fuer Informationsinfrastruktur GmbH, DE

Top issues to fix

4 issues found · 1 high priority

  • Missing Content-Security-Policy header

    Security

    Add a CSP to control which sources can run scripts — the strongest single defense against XSS.

  • 1 cookie without Secure/HttpOnly flags

    Security

    Set Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.

  • No structured data (JSON-LD) found

    SEO

    Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.

  • Missing OpenGraph tags

    SEO

    Add og:title/og:description/og:image so shared links render a proper preview card.

85

SEO

2 issue(s) found

90

Performance

954 ms

90

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

Organization

Company details published in this site's own structured data.

FIZ Karlsruhe – Leibniz-Institut für Informationsinfrastruktur ist eine der großen Informationsinfrastruktureinrichtung in Deutschland

YouTubeInstagramLinkedIn

Contact

Email, phone, and address published on this site's own pages.

Meta tags

Title
Startseite | FIZ Karlsruhe
Description
FIZ Karlsruhe – Leibniz-Institut für Informationsinfrastruktur ist eine der großen Informationsinfrastruktureinrichtung in Deutschland
Canonical
http://www.fiz-karlsruhe.de/de/startpage
Language
de
Charset
utf-8
Viewport
width=device-width, initial-scale=1.0
Robots meta
index, follow
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
—
og:description
—
og:type
—
og:url
—

Twitter Card

twitter:card
—
twitter:title
—
twitter:description
—

Technologies

Detected frameworks, languages, and tools.

PHPDrupalApache

Hosting & CDN

CDN provider
—
IP address
141.66.193.1
ASN
AS13040 (ASN-FIZ - FIZ Karlsruhe - Leibniz-Institut fuer Informationsinfrastruktur GmbH, DE)

DNS records

TypeValue
A
  • 141.66.193.1
AAAA—
MX—
TXT—
NS—
CAA—
CNAME—
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
Hellenic Academic and Research Institutions CA
Subject
*.fiz-karlsruhe.de
Valid from
Jul 22, 2026
Valid to
Feb 6, 2027
Days until expiry
192
SAN domains
*.fiz-karlsruhe.de, fiz-karlsruhe.de

Security headers

  • Strict-Transport-SecurityEnabled
  • Content-Security-PolicyMissing
  • X-Frame-OptionsEnabled
  • X-Content-Type-OptionsEnabled
  • Referrer-PolicyMissing
  • Permissions-PolicyMissing

Compression: none · 2 cookie(s) observed

Content & assets

Headings

H1 1 · H2 3 · H3 0

Links

28 internal · 9 external · 0 broken

Images

13 total · 0 missing alt

Scripts / Styles

7 scripts · 3 stylesheets

JS / CSS size

960 KB · 6.1 MB

Page size

70.8 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
37
sitemap.xml
Found
URLs in sitemap
-1

SEO issues

  • No structured data (JSON-LD) found
  • Missing OpenGraph tags

Accessibility issues

No accessibility issues detected.

Scan details

Requested URL
https://fiz-karlsruhe.de
Final URL
https://www.fiz-karlsruhe.de/de
HTTP status
200
HTTP version
HTTP/1.1
Response time
953 ms
HTML size
70.8 KB
Redirect chain
https://fiz-karlsruhe.de → https://www.fiz-karlsruhe.de/ → https://www.fiz-karlsruhe.de/de

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Frequently asked questions

What technology does fiz-karlsruhe.de use?
fiz-karlsruhe.de is built with PHP, Drupal, Apache.
Is fiz-karlsruhe.de secure (HTTPS)?
Yes. fiz-karlsruhe.de uses TLS 1.3 with a certificate issued by Hellenic Academic and Research Institutions CA, valid until Feb 6, 2027.
Who hosts fiz-karlsruhe.de?
fiz-karlsruhe.de is hosted on ASN-FIZ - FIZ Karlsruhe - Leibniz-Institut fuer Informationsinfrastruktur GmbH, DE.
What is fiz-karlsruhe.de's SEO score?
fiz-karlsruhe.de scored 85/100 for SEO in the latest analysis (great).
What is fiz-karlsruhe.de's overall website score?
fiz-karlsruhe.de has an overall SiteGraph score of 91/100, combining SEO, performance, security, and accessibility.