bibsonomy.org
BibSonomy
Last scanned Jul 26, 2026, 5:47 AM
Overall score
Great
Summary
This website is hosted on DFN - Verein zur Foerderung eines Deutschen Forschungsnetzes e.V., DE. SEO is fair (65/100) and accessibility is excellent (100/100). Security scores good (75/100) and performance excellent (100/100). Top issue: Missing meta description.
- Germany
- Hosted on DFN - Verein zur Foerderung eines Deutschen Forschungsnetzes e.V., DE
Top issues to fix
8 issues found · 2 high priority
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-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
+2 more issues — details in the sections below.
SEO
5 issue(s) found
Performance
795 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- BibSonomy
- Description
- Canonical
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
No technologies detected.
Hosting & CDN
- CDN provider
- —
- IP address
- 132.187.15.88
- ASN
- AS680 (DFN - Verein zur Foerderung eines Deutschen Forschungsnetzes e.V., DE)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.2
- Issuer
- Let's Encrypt
- Subject
- bibsonomy.org
- Valid from
- Jul 7, 2026
- Valid to
- Oct 5, 2026
- Days until expiry
- 70
- SAN domains
- bibsonomy.asia, bibsonomy.de, bibsonomy.eu, bibsonomy.info, bibsonomy.net, bibsonomy.org, bibsonomy.us, dev.bibsonomy.org, genealogie.bibsonomy.org, genealogy.bibsonomy.org, img.bibsonomy.org, scraper.bibsonomy.org, stats.bibsonomy.org, sync.bibsonomy.org, texlipse.bibsonomy.org, www.bibsonomy.asia, www.bibsonomy.de, www.bibsonomy.eu, www.bibsonomy.info, www.bibsonomy.net, www.bibsonomy.org, www.bibsonomy.us
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 0 · H3 0
Links
1 internal · 0 external · 0 broken
Images
0 total · 0 missing alt
Scripts / Styles
1 scripts · 1 stylesheets
JS / CSS size
3.7 KB · 294 KB
Page size
7.6 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 28
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing meta description
- Missing canonical link
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Careers
This company has an active careers page, but individual openings weren't reliably parsed from it — visit the page above for current listings.
Scan details
- Requested URL
- https://bibsonomy.org
- Final URL
- https://www.bibsonomy.org/pow-challenge/?return=https%3A%2F%2Fwww.bibsonomy.org%2F
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 795 ms
- HTML size
- 7.6 KB
- Redirect chain
- https://bibsonomy.org → https://www.bibsonomy.org/ → https://www.bibsonomy.org/pow-challenge/?return=https%3A%2F%2Fwww.bibsonomy.org%2F
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does bibsonomy.org use?
- We did not detect any specific technologies for bibsonomy.org in the latest scan.
- Is bibsonomy.org secure (HTTPS)?
- Yes. bibsonomy.org uses TLS 1.2 with a certificate issued by Let's Encrypt, valid until Oct 5, 2026.
- Who hosts bibsonomy.org?
- bibsonomy.org is hosted on DFN - Verein zur Foerderung eines Deutschen Forschungsnetzes e.V., DE.
- What is bibsonomy.org's SEO score?
- bibsonomy.org scored 65/100 for SEO in the latest analysis (fair).
- What is bibsonomy.org's overall website score?
- bibsonomy.org has an overall SiteGraph score of 83/100, combining SEO, performance, security, and accessibility.
- Is bibsonomy.org hiring?
- bibsonomy.org has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card