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gfbio.org

GFBio | German Federation for Biological Data

Last scanned Jul 27, 2026, 2:43 PM · 1 view

83

Overall score

Great

Summary

Presenting general information about the DFG funded project GFBio, along with links and dedicated information and training material regarding all services provided by GFBio. This website uses WordPress hosted on DFN - Verein zur Foerderung eines Deutschen Forschungsnetzes e.V., DE. SEO is fair (60/100) and accessibility is good (85/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Meta description longer than 160 characters.

Presenting general information about the DFG funded project GFBio, along with links and dedicated information and training material regarding all services provided by GFBio.

Germany
Hosted on DFN - Verein zur Foerderung eines Deutschen Forschungsnetzes e.V., DE

Top issues to fix

10 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.

  • Meta description longer than 160 characters

    SEO

    Trim the meta description to under 160 characters to avoid truncation in search results.

  • Missing canonical link

    SEO

    Add <link rel="canonical"> so search engines know which URL variant to index.

  • Multiple H1 headings found

    SEO

    Keep a single H1 per page and demote the others to H2/H3.

  • 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.

+4 more issues — details in the sections below.

60

SEO

7 issue(s) found

100

Performance

253 ms

90

Security

HTTPS & header checks

85

Accessibility

1 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.

Presenting general information about the DFG funded project GFBio, along with links and dedicated information and training material regarding all services provided by GFBio.

Contact

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

Meta tags

Title
GFBio | German Federation for Biological Data
Description
Presenting general information about the DFG funded project GFBio, along with links and dedicated information and training material regarding all services provided by GFBio.
Canonical
Language
en
Charset
utf-8
Viewport
width=device-width, initial-scale=1.0
Robots meta
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.

Hosting & CDN

CDN provider
IP address
134.176.27.193
ASN
AS680 (DFN - Verein zur Foerderung eines Deutschen Forschungsnetzes e.V., DE)

DNS records

TypeValue
A
  • 134.176.27.193
AAAA
MX
  • c1234.mx.srv.dfn.de
  • a1234.mx.srv.dfn.de
  • b1234.mx.srv.dfn.de
TXT
  • v=spf1 include:spf.gwdg.de a:mailout.sd-datasolutions.de -all
  • google-site-verification=8X-8rJW4kx0WlJgkzA_Q3TKt5I8-cd7RM0Gnl00FnSw
NS
  • pranab.ns.cloudflare.com
  • coco.ns.cloudflare.com
CAA
  • 0 issue "digicert.com; cansignhttpexchanges=yes"
  • 0 issuewild "comodoca.com"
  • 0 issue "letsencrypt.org"
  • 0 issuewild "pki.goog; cansignhttpexchanges=yes"
  • 0 issuewild "ssl.com"
  • 0 issue "ssl.com"
  • 0 issuewild "digicert.com; cansignhttpexchanges=yes"
  • 0 issue "comodoca.com"
  • 0 issuewild "letsencrypt.org"
  • 0 issue "sectigo.com"
  • 0 issue "pki.goog; cansignhttpexchanges=yes"
  • 0 issue "pki.dfn.de"
CNAME
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
Let's Encrypt
Subject
gfbio.org
Valid from
Jun 18, 2026
Valid to
Sep 16, 2026
Days until expiry
50
SAN domains
gfbio.org, www.gfbio.org

Security headers

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

Compression: none · 0 cookie(s) observed

Content & assets

Headings

H1 2 · H2 3 · H3 6

Links

14 internal · 22 external · 2 broken

Images

9 total · 2 missing alt

Scripts / Styles

4 scripts · 5 stylesheets

JS / CSS size

2.5 KB · 248 KB

Page size

27.2 KB

Robots.txt & Sitemap

robots.txt
Not found
Disallow rules
0
sitemap.xml
Not found
URLs in sitemap
0

SEO issues

  • Meta description longer than 160 characters
  • Missing canonical link
  • Multiple H1 headings found
  • No structured data (JSON-LD) found
  • Missing OpenGraph tags
  • robots.txt not found
  • sitemap.xml not found

Accessibility issues

  • More than 20% of images are missing alt text

Scan details

Requested URL
https://gfbio.org
Final URL
https://gfbio.org
HTTP status
200
HTTP version
HTTP/2
Response time
253 ms
HTML size
27.2 KB
Redirect chain
https://gfbio.org

See something wrong on this report? Request a correction

Frequently asked questions

What technology does gfbio.org use?
gfbio.org is built with WordPress, Bootstrap.
Is gfbio.org secure (HTTPS)?
Yes. gfbio.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 16, 2026.
Who hosts gfbio.org?
gfbio.org is hosted on DFN - Verein zur Foerderung eines Deutschen Forschungsnetzes e.V., DE.
What is gfbio.org's SEO score?
gfbio.org scored 60/100 for SEO in the latest analysis (fair).
What is gfbio.org's overall website score?
gfbio.org has an overall SiteGraph score of 83/100, combining SEO, performance, security, and accessibility.