Is sonia.de secure (HTTPS)?

Yes. sonia.de uses TLS 1.3 with a certificate issued by Hellenic Academic and Research Institutions CA, valid until Feb 20, 2027.

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

What is sonia.de's SEO score?

sonia.de scored 70/100 for SEO in the latest analysis (fair).

What is sonia.de's overall website score?

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

sonia.de

Rechenzentrum der Ostfalia Hochschule - Ostfalia Hochschule für angewandte Wissenschaften

Last scanned Jul 26, 2026, 1:19 PM

Overall score

Great

Summary

Das Rechenzentrum der Ostfalia Hochschule für angewandte Wissenschaften - Hochschule Braunschweig/Wolfenbüttel. This website uses Apache. SEO is fair (70/100) and accessibility is excellent (100/100). Security scores good (80/100) and performance excellent (100/100). Top issue: Title longer than 60 characters.

Das Rechenzentrum der Ostfalia Hochschule für angewandte Wissenschaften - Hochschule Braunschweig/Wolfenbüttel

Top issues to fix

8 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.
Missing X-Frame-Options header
Security
Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Title longer than 60 characters
SEO
Shorten the title to under 60 characters so search results don't truncate it.
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.
robots.txt not found
SEO
Publish /robots.txt with a Sitemap: directive to guide crawlers.

+2 more issues — details in the sections below.

SEO

5 issue(s) found

100

Performance

906 ms

Security

HTTPS & header checks

100

Accessibility

0 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.

Das Rechenzentrum der Ostfalia Hochschule für angewandte Wissenschaften - Hochschule Braunschweig/Wolfenbüttel

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Contact

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

Phone: +49533193919000 +49533193919200 +4953319390

Meta tags

Title: Rechenzentrum der Ostfalia Hochschule - Ostfalia Hochschule für angewandte Wissenschaften
Description: Das Rechenzentrum der Ostfalia Hochschule für angewandte Wissenschaften - Hochschule Braunschweig/Wolfenbüttel
Canonical: https://www.ostfalia.de/hochschule/campus-einrichtungen/rechenzentrum
Language: de-DE
Charset
Viewport: initial-scale=1.0,width=device-width,shrink-to-fit=no
Robots meta
Manifest

Technologies

Detected frameworks, languages, and tools.

Apache

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.ostfalia.de
Valid from: Feb 20, 2026
Valid to: Feb 20, 2027
Days until expiry: 206
SAN domains: www.ostfalia.de, pws.ostfalia.de, relaunch.ostfalia.de, studium.ostfalia.de, www.qa-v13.ostfalia.de, ostfalia.de

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 8 · H3 6

Links

436 internal · 12 external · 20 broken

Images

6 total · 0 missing alt

Scripts / Styles

2 scripts · 2 stylesheets

JS / CSS size

887 B · 0 B

Page size

197 KB

Robots.txt & Sitemap

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

SEO issues

Title longer than 60 characters
No structured data (JSON-LD) found
Missing OpenGraph tags
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://sonia.de
Final URL: https://www.ostfalia.de/hochschule/campus-einrichtungen/rechenzentrum
HTTP status: 200
HTTP version: HTTP/1.1
Response time: 902 ms
HTML size: 197 KB
Redirect chain: https://sonia.de → https://www.ostfalia.de/rz → https://www.ostfalia.de/hochschule/campus-einrichtungen/rechenzentrum

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does sonia.de use?: sonia.de is built with Apache.
Is sonia.de secure (HTTPS)?: Yes. sonia.de uses TLS 1.3 with a certificate issued by Hellenic Academic and Research Institutions CA, valid until Feb 20, 2027.
Who hosts sonia.de?: Hosting provider information for sonia.de is not available yet.
What is sonia.de's SEO score?: sonia.de scored 70/100 for SEO in the latest analysis (fair).
What is sonia.de's overall website score?: sonia.de has an overall SiteGraph score of 86/100, combining SEO, performance, security, and accessibility.