What technology does osnabrueck.de use?

osnabrueck.de is built with Apache.

Is osnabrueck.de secure (HTTPS)?

Yes. osnabrueck.de uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 30, 2026.

Who hosts osnabrueck.de?

Hosting provider information for osnabrueck.de is not available yet.

What is osnabrueck.de's SEO score?

osnabrueck.de scored 85/100 for SEO in the latest analysis (great).

What is osnabrueck.de's overall website score?

osnabrueck.de has an overall SiteGraph score of 86/100, combining SEO, performance, security, and accessibility.

Has osnabrueck.de's score changed over time?

osnabrueck.de's overall score has declined by 3 points (from 89 to 86) since Jul 27, 2026.

osnabrueck.de

Stadt Osnabrück – Osnabrück erleben

Last scanned Aug 4, 2026, 4:00 PM · 12 views

Overall score

Great

Summary

Osnabrück erleben - dazu gehören die Innenstadt, Kultur- und Freizeitangebote, Veranstaltungen und Festivals, die schönsten Orte in Natur und Region - hier sind die besten Tipps für eine schöne Zeit in Osnabrück zu… This website uses Apache. SEO is good (85/100) and accessibility is excellent (100/100). Security scores good (80/100) and performance good (80/100). Top issue: Meta description longer than 160 characters.

Top issues to fix

5 issues found · 1 high priority

Missing Strict-Transport-Security header
Security
Add HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing X-Frame-Options header
Security
Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
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.

SEO

3 issue(s) found

Performance

814 ms

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Score history

-3 overall since Jul 27, 2026

Overall: 86
SEO: 85
Security: 80
Performance: 80
Accessibility: 100

Organization

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

Facebook Instagram LinkedIn YouTube

Contact

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

Email: info-stadtbibliothek@osnabrueck.de

Meta tags

Title: Stadt Osnabrück – Osnabrück erleben
Description: Osnabrück erleben - dazu gehören die Innenstadt, Kultur- und Freizeitangebote, Veranstaltungen und Festivals, die schönsten Orte in Natur und Region - hier sind die besten Tipps für eine schöne Zeit in Osnabrück zu finden.
Canonical: https://www.osnabrueck.de/de/
Language: de
Charset: utf-8
Viewport: width=device-width, initial-scale=1, shrink-to-fit=no
Robots meta: index,follow
Manifest: https://www.osnabrueck.de/static/meta/gray-blue/site.webmanifest

Technologies

Detected frameworks, languages, and tools.

Apache

Hosting & CDN

Hosting provider: —
CDN provider: —
IP address: 212.1.56.139
ASN: —

DNS records

Type	Value
A	212.1.56.139
AAAA	—
MX	—
TXT	—
NS	—
CAA	—
CNAME	—
IPv6 support	No

TLS / SSL certificate

Version: TLS 1.3
Issuer: Let's Encrypt
Subject: www.osnabrueck.de
Valid from: Aug 1, 2026
Valid to: Oct 30, 2026
Days until expiry: 86
SAN domains: osnabrueck.de, www.osnabrueck.de

Security headers

Strict-Transport-SecurityMissing
Content-Security-PolicyEnabled
X-Frame-OptionsMissing
X-Content-Type-OptionsEnabled
Referrer-PolicyMissing
Permissions-PolicyMissing

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 12 · H3 1

Links

25 internal · 101 external · 0 broken

Images

79 total · 0 missing alt

Scripts / Styles

7 scripts · 3 stylesheets

JS / CSS size

199 KB · 406 KB

Page size

343 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://osnabrueck.de
Final URL: https://www.osnabrueck.de/de/
HTTP status: 200
HTTP version: HTTP/2
Response time: 807 ms
HTML size: 343 KB
Redirect chain: https://osnabrueck.de → https://www.osnabrueck.de/ → https://www.osnabrueck.de/de/

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Frequently asked questions

What technology does osnabrueck.de use?: osnabrueck.de is built with Apache.
Is osnabrueck.de secure (HTTPS)?: Yes. osnabrueck.de uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 30, 2026.
Who hosts osnabrueck.de?: Hosting provider information for osnabrueck.de is not available yet.
What is osnabrueck.de's SEO score?: osnabrueck.de scored 85/100 for SEO in the latest analysis (great).
What is osnabrueck.de's overall website score?: osnabrueck.de has an overall SiteGraph score of 86/100, combining SEO, performance, security, and accessibility.
Has osnabrueck.de's score changed over time?: osnabrueck.de's overall score has declined by 3 points (from 89 to 86) since Jul 27, 2026.