erwinmueller.com
Last scanned Jul 26, 2026, 5:18 AM
Overall score
Fair
Summary
This website is hosted on LINK11 - Link11 GmbH, DE. SEO is poor (35/100) and accessibility is good (75/100). Security scores fair (65/100) and performance good (80/100). Top issue: Missing <title>.
- Germany
- Hosted on LINK11 - Link11 GmbH, DE
Top issues to fix
15 issues found · 7 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.
Missing title tag
SEOAdd a unique, descriptive <title> tag — it's the single most important on-page SEO element.
Missing meta description
SEOAdd a ~150-character meta description to control your search-result snippet and lift click-through rate.
No H1 heading found
SEOAdd exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.
Missing viewport meta tag
AccessibilityAdd <meta name="viewport" content="width=device-width, initial-scale=1"> — without it the site is broken on mobile.
+9 more issues — details in the sections below.
SEO
8 issue(s) found
Performance
5.67 s
Security
HTTPS & header checks
Accessibility
3 issue(s) found
Contact
Email, phone, and address published on this site's own pages.
Source: https://erwinmueller.com/contact
Meta tags
- Title
- Description
- Canonical
- Language
- Charset
- utf-8
- Viewport
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
No technologies detected.
Hosting & CDN
- Hosting provider
- LINK11 - Link11 GmbH, DE
- CDN provider
- —
- IP address
- 128.65.223.165
- ASN
- AS34309 (LINK11 - Link11 GmbH, DE)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX |
|
| TXT |
|
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- DigiCert Inc
- Subject
- *.erwinmueller.com
- Valid from
- Oct 13, 2025
- Valid to
- Nov 13, 2026
- Days until expiry
- 110
- SAN domains
- *.erwinmueller.com, erwinmueller.com
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: none · 0 cookie(s) observed
Content & assets
Headings
H1 0 · H2 0 · H3 0
Links
0 internal · 0 external · 0 broken
Images
0 total · 0 missing alt
Scripts / Styles
2 scripts · 0 stylesheets
JS / CSS size
60.1 KB · 0 B
Page size
490 B
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing <title>
- Missing meta description
- Missing canonical link
- No H1 heading found
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- No H1 heading found
- Missing <html lang> attribute
- Missing viewport meta tag
Careers
This company has an active careers page, but individual openings weren't reliably parsed from it — visit the page above for current listings.
Scan details
- Requested URL
- https://erwinmueller.com
- Final URL
- https://erwinmueller.com
- HTTP status
- 247
- HTTP version
- HTTP/2
- Response time
- 5.67 s
- HTML size
- 490 B
- Redirect chain
- https://erwinmueller.com
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does erwinmueller.com use?
- We did not detect any specific technologies for erwinmueller.com in the latest scan.
- Is erwinmueller.com secure (HTTPS)?
- Yes. erwinmueller.com uses TLS 1.3 with a certificate issued by DigiCert Inc, valid until Nov 13, 2026.
- Who hosts erwinmueller.com?
- erwinmueller.com is hosted on LINK11 - Link11 GmbH, DE.
- What is erwinmueller.com's SEO score?
- erwinmueller.com scored 35/100 for SEO in the latest analysis (poor).
- What is erwinmueller.com's overall website score?
- erwinmueller.com has an overall SiteGraph score of 62/100, combining SEO, performance, security, and accessibility.
- Is erwinmueller.com hiring?
- erwinmueller.com has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card