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uni-mainz.de

Johannes Gutenberg-Universität Mainz

Last scanned Jul 25, 2026, 6:25 AM · 2 views

83

Overall score

Great

Summary

This website uses WordPress hosted on RLP-NET - Johannes Gutenberg-Universitaet Mainz, DE. SEO is fair (65/100) and accessibility is excellent (90/100). Security scores excellent (90/100) and performance excellent (90/100). Top issue: Missing meta description.

Germany
Hosted on RLP-NET - Johannes Gutenberg-Universitaet Mainz, DE

Top issues to fix

5 issues found · 3 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 meta description

    SEO

    Add a ~150-character meta description to control your search-result snippet and lift click-through rate.

  • No H1 heading found

    SEO

    Add exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.

  • 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.

65

SEO

4 issue(s) found

90

Performance

1.00 s

90

Security

HTTPS & header checks

90

Accessibility

1 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.

Contact

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

Meta tags

Title
Johannes Gutenberg-Universität Mainz
Description
Canonical
https://www.uni-mainz.de/
Language
de-DE
Charset
utf-8
Viewport
width=device-width, initial-scale=1, shrink-to-fit=no
Robots meta
max-image-preview:large
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
og:description
og:type
og:url

Twitter Card

twitter:card
twitter:title
twitter:description

Technologies

Detected frameworks, languages, and tools.

Hosting & CDN

CDN provider
IP address
134.93.178.47
ASN
AS2857 (RLP-NET - Johannes Gutenberg-Universitaet Mainz, DE)

DNS records

TypeValue
A
  • 134.93.178.47
AAAA
  • 2001:4c80:40:63c:4:86ff:fe5d:be2f
MX
TXT
NS
CAA
CNAME
  • cms.zdv.uni-mainz.de
IPv6 supportYes

TLS / SSL certificate

Version
TLS 1.3
Issuer
Let's Encrypt
Subject
www.uni-mainz.de
Valid from
Jun 25, 2026
Valid to
Sep 23, 2026
Days until expiry
60
SAN domains
startseite.uni-mainz.de, www.uni-mainz.de

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 0 · H2 0 · H3 0

Links

0 internal · 2 external · 0 broken

Images

2 total · 0 missing alt

Scripts / Styles

59 scripts · 10 stylesheets

JS / CSS size

879 KB · 600 KB

Page size

223 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
4
sitemap.xml
Found
URLs in sitemap
-1

SEO issues

  • Missing meta description
  • No H1 heading found
  • No structured data (JSON-LD) found
  • Missing OpenGraph tags

Accessibility issues

  • No H1 heading found

Scan details

Requested URL
https://uni-mainz.de
Final URL
https://www.uni-mainz.de
HTTP status
200
HTTP version
HTTP/2
Response time
999 ms
HTML size
223 KB
Redirect chain
https://uni-mainz.de → https://www.uni-mainz.de

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Frequently asked questions

What technology does uni-mainz.de use?
uni-mainz.de is built with React, WordPress, jQuery, Apache.
Is uni-mainz.de secure (HTTPS)?
Yes. uni-mainz.de uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 23, 2026.
Who hosts uni-mainz.de?
uni-mainz.de is hosted on RLP-NET - Johannes Gutenberg-Universitaet Mainz, DE.
What is uni-mainz.de's SEO score?
uni-mainz.de scored 65/100 for SEO in the latest analysis (fair).
What is uni-mainz.de's overall website score?
uni-mainz.de has an overall SiteGraph score of 83/100, combining SEO, performance, security, and accessibility.