uni-bonn.de
Universität Bonn
Last scanned Jul 21, 2026, 12:33 PM · 3 views
Overall score
Great
Top issues to fix
6 issues found · 1 high priority
Slow estimated load (6.2s)
PerformanceUse a CDN, enable caching/compression, and cut render-blocking assets — every extra second costs conversions.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
10 broken links on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
Summary
Die Exzellenzuniversität Bonn ist eine der erfolgreichsten Universitäten in Deutschland. SEO is good (85/100) and accessibility is excellent (100/100). Security scores excellent (95/100) and performance good (80/100). Top issue: Meta description longer than 160 characters.
SEO
3 issue(s) found
Performance
6.16 s
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Contact
Email, phone, and address published on this site's own pages.
- Phone
- +49 228 73-0
Meta tags
- Title
- Universität Bonn
- Description
- Die Exzellenzuniversität Bonn ist eine der erfolgreichsten Universitäten in Deutschland. Studieren und forschen Sie an eine der größten und forschungsstärksten Universitäten in Deutschland.
- Canonical
- https://www.uni-bonn.de/de
- Language
- de
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1.0
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
No technologies detected.
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 1.3
- Issuer
- Hellenic Academic and Research Institutions CA
- Subject
- www.uni-bonn.de
- Valid from
- Apr 22, 2026
- Valid to
- Nov 7, 2026
- Days until expiry
- 109
- SAN domains
- www.uni-bonn.de
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 2 · H3 8
Links
53 internal · 12 external · 10 broken
Images
10 total · 0 missing alt
Scripts / Styles
6 scripts · 5 stylesheets
JS / CSS size
536 B · 11.2 KB
Page size
159 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
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://uni-bonn.de
- Final URL
- https://www.uni-bonn.de/de
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 6.16 s
- HTML size
- 159 KB
- Redirect chain
- https://uni-bonn.de → https://www.uni-bonn.de/ → https://www.uni-bonn.de/de
Frequently asked questions
- What technology does uni-bonn.de use?
- We did not detect any specific technologies for uni-bonn.de in the latest scan.
- Is uni-bonn.de secure (HTTPS)?
- Yes. uni-bonn.de uses TLS 1.3 with a certificate issued by Hellenic Academic and Research Institutions CA, valid until Nov 7, 2026.
- Who hosts uni-bonn.de?
- Hosting provider information for uni-bonn.de is not available yet.
- What is uni-bonn.de's SEO score?
- uni-bonn.de scored 85/100 for SEO in the latest analysis (great).
- What is uni-bonn.de's overall website score?
- uni-bonn.de has an overall SiteGraph score of 89/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card