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 Feb 11, 2027.

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 92/100, combining SEO, performance, security, and accessibility.

Has uni-bonn.de's score changed over time?

uni-bonn.de's overall score has improved by 3 points (from 89 to 92) since Jul 21, 2026.

uni-bonn.de

Universität Bonn

Last scanned Jul 29, 2026, 6:00 PM · 9 views

Overall score

Excellent

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 excellent (90/100). Top issue: Meta description longer than 160 characters.

Die Exzellenzuniversität Bonn ist eine der erfolgreichsten Universitäten in Deutschland. Studieren und forschen Sie an eine der größten und forschungsstärksten Universitäten in Deutschland.

Top issues to fix

5 issues found

Missing X-Content-Type-Options header
Security
Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Meta description longer than 160 characters
SEO
Trim the meta description to under 160 characters to avoid truncation in search results.
robots.txt not found
SEO
Publish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEO
Publish an XML sitemap and reference it from robots.txt to speed up page discovery.
20 broken links on the page
SEO
Fix or remove broken links — they waste crawl budget and erode user trust.

SEO

3 issue(s) found

Performance

2.63 s

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Score history

+3 overall since Jul 21, 2026

Overall: 92
SEO: 85
Security: 95
Performance: 90
Accessibility: 100

Organization

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

Die Exzellenzuniversität Bonn ist eine der erfolgreichsten Universitäten in Deutschland. Studieren und forschen Sie an eine der größten und forschungsstärksten Universitäten in Deutschland.

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Contact

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

Email: kommunikation@uni-bonn.de
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: Jul 27, 2026
Valid to: Feb 11, 2027
Days until expiry: 196
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 · 11 external · 20 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

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: 2.63 s
HTML size: 159 KB
Redirect chain: https://uni-bonn.de → https://www.uni-bonn.de/ → https://www.uni-bonn.de/de

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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 Feb 11, 2027.
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 92/100, combining SEO, performance, security, and accessibility.
Has uni-bonn.de's score changed over time?: uni-bonn.de's overall score has improved by 3 points (from 89 to 92) since Jul 21, 2026.