mainz.de
Startseite | Landeshauptstadt Mainz
Last scanned Jul 26, 2026, 1:19 PM
Overall score
Great
Summary
Die Gutenberg- und Wissenschaftsstadt stellt sich vor. This website uses Apache hosted on HETZNER-AS - Hetzner Online GmbH, DE. SEO is good (85/100) and accessibility is excellent (100/100). Security scores good (80/100) and performance excellent (90/100). Top issue: Meta description longer than 160 characters.
Die Gutenberg- und Wissenschaftsstadt stellt sich vor. Mit Dienstleistungen, Online-Services und Informationen der Stadtverwaltung sowie Angeboten zur Freizeitgestaltung und ganz viel #mainzgefühl.
- Germany
- Hosted on HETZNER-AS - Hetzner Online GmbH, DE
Top issues to fix
6 issues found · 2 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
2 cookies without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
Multiple H1 headings found
SEOKeep a single H1 per page and demote the others to H2/H3.
SEO
3 issue(s) found
Performance
268 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Die Gutenberg- und Wissenschaftsstadt stellt sich vor. Mit Dienstleistungen, Online-Services und Informationen der Stadtverwaltung sowie Angeboten zur Freizeitgestaltung und ganz viel #mainzgefühl.
Contact
Email, phone, and address published on this site's own pages.
- Phone
- +496131115
Meta tags
- Title
- Startseite | Landeshauptstadt Mainz
- Description
- Die Gutenberg- und Wissenschaftsstadt stellt sich vor. Mit Dienstleistungen, Online-Services und Informationen der Stadtverwaltung sowie Angeboten zur Freizeitgestaltung und ganz viel #mainzgefühl.
- Canonical
- Language
- de-DE
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1, minimum-scale=1, user-scalable=yes
- Robots meta
- Manifest
- https://mainz.de/manifest.webmanifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- HETZNER-AS - Hetzner Online GmbH, DE
- CDN provider
- —
- IP address
- 49.13.42.92
- ASN
- AS24940 (HETZNER-AS - Hetzner Online GmbH, DE)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX |
|
| TXT |
|
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- mainz.de
- Valid from
- Jun 15, 2026
- Valid to
- Sep 13, 2026
- Days until expiry
- 46
- SAN domains
- *.mainz.de, mainz.de
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: none · 2 cookie(s) observed
Content & assets
Headings
H1 2 · H2 6 · H3 7
Links
109 internal · 4 external · 0 broken
Images
2 total · 0 missing alt
Scripts / Styles
3 scripts · 2 stylesheets
JS / CSS size
151 KB · 554 KB
Page size
258 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Found
- URLs in sitemap
- -1
SEO issues
- Meta description longer than 160 characters
- Missing canonical link
- Multiple H1 headings found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://mainz.de
- Final URL
- https://mainz.de
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 263 ms
- HTML size
- 258 KB
- Redirect chain
- https://mainz.de
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Frequently asked questions
- What technology does mainz.de use?
- mainz.de is built with PHP, Apache.
- Is mainz.de secure (HTTPS)?
- Yes. mainz.de uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 13, 2026.
- Who hosts mainz.de?
- mainz.de is hosted on HETZNER-AS - Hetzner Online GmbH, DE.
- What is mainz.de's SEO score?
- mainz.de scored 85/100 for SEO in the latest analysis (great).
- What is mainz.de's overall website score?
- mainz.de has an overall SiteGraph score of 88/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card