aachen.de
Willkommen in Aachen | Stadt Aachen
Last scanned Jul 26, 2026, 3:19 PM
Overall score
Excellent
Summary
Das Internetportal der Stadtverwaltung Aachen. This website is hosted on regioitaachen - regioitaachen, DE. SEO is excellent (90/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance excellent (100/100). Top issue: robots.txt not found.
Stadt Aachen
Das Internetportal der Stadtverwaltung Aachen
- Germany
- Hosted on regioitaachen - regioitaachen, DE
Top issues to fix
3 issues found
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
5 broken links on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
2 issue(s) found
Performance
626 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Contact
Email, phone, and address published on this site's own pages.
- Phone
- 0241 432 0
Meta tags
- Title
- Willkommen in Aachen | Stadt Aachen
- Description
- Die offizielle Homepage der Stadt Aachen
- Canonical
- https://www.aachen.de/
- Language
- de
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1.0, user-scalable=1
- Robots meta
- Manifest
- https://www.aachen.de/app-manifest.webmanifest
Technologies
Detected frameworks, languages, and tools.
No technologies detected.
Hosting & CDN
- Hosting provider
- regioitaachen - regioitaachen, DE
- CDN provider
- —
- IP address
- 91.102.137.13
- ASN
- AS34928 (regioitaachen - regioitaachen, DE)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.2
- Issuer
- Sectigo Limited
- Subject
- *.aachen.de
- Valid from
- Jul 1, 2026
- Valid to
- Jan 15, 2027
- Days until expiry
- 173
- SAN domains
- *.aachen.de, aachen.de
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 19 · H3 13
Links
48 internal · 21 external · 5 broken
Images
34 total · 0 missing alt
Scripts / Styles
42 scripts · 1 stylesheets
JS / CSS size
35.6 KB · 1.1 KB
Page size
265 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://aachen.de
- Final URL
- https://www.aachen.de/
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 621 ms
- HTML size
- 265 KB
- Redirect chain
- https://aachen.de → https://www.aachen.de/
See something wrong on this report? Request a correction
Frequently asked questions
- What technology does aachen.de use?
- We did not detect any specific technologies for aachen.de in the latest scan.
- Is aachen.de secure (HTTPS)?
- Yes. aachen.de uses TLS 1.2 with a certificate issued by Sectigo Limited, valid until Jan 15, 2027.
- Who hosts aachen.de?
- aachen.de is hosted on regioitaachen - regioitaachen, DE.
- What is aachen.de's SEO score?
- aachen.de scored 90/100 for SEO in the latest analysis (excellent).
- What is aachen.de's overall website score?
- aachen.de has an overall SiteGraph score of 97/100, combining SEO, performance, security, and accessibility.
- What company operates aachen.de?
- aachen.de is operated by Stadt Aachen. Das Internetportal der Stadtverwaltung Aachen
OpenGraph & Twitter Card
OpenGraph
Twitter Card