vdh.com
VDH
Last scanned Jul 30, 2026, 1:00 AM · 12 views
Overall score
Great
Summary
Mit unserer menschlichen Arbeitsweise, ganzheitlichen Expertise und strategischem Blick begleiten wir Ihre Projekte durch alle Planungs– und Bauphasen. This website uses jQuery behind Cloudflare CDN. SEO is good (80/100) and accessibility is excellent (100/100). Security scores good (75/100) and performance excellent (90/100). Top issue: Missing canonical link.
VDH Projektmanagement GmbH
Mit unserer menschlichen Arbeitsweise, ganzheitlichen Expertise und strategischem Blick begleiten wir Ihre Projekte durch alle Planungs– und Bauphasen.
- 33 employees
Top issues to fix
8 issues found · 1 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
Missing OpenGraph tags
SEOAdd og:title/og:description/og:image so shared links render a proper preview card.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
+2 more issues — details in the sections below.
SEO
4 issue(s) found
Performance
1.07 s
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
0 overall since Jul 22, 2026
- Overall
- 85
- SEO
- 80
- Security
- 75
- Performance
- 90
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
VDH Projektmanagement GmbH
Mit unserer menschlichen Arbeitsweise, ganzheitlichen Expertise und strategischem Blick begleiten wir Ihre Projekte durch alle Planungs– und Bauphasen.
- Founded
- Jan 1, 1997
- Employees
- 33
Meta tags
- Title
- VDH
- Description
- Mit unserer menschlichen Arbeitsweise, ganzheitlichen Expertise und strategischem Blick begleiten wir Ihre Projekte durch alle Planungs– und Bauphasen.
- Canonical
- Language
- de-DE
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- Cloudflare
- 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
- Google Trust Services
- Subject
- www.vdh.com
- Valid from
- Jun 12, 2026
- Valid to
- Sep 10, 2026
- Days until expiry
- 42
- SAN domains
- www.vdh.com
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 1 cookie(s) observed
Content & assets
Headings
H1 1 · H2 6 · H3 0
Links
14 internal · 3 external · 17 broken
Images
12 total · 0 missing alt
Scripts / Styles
10 scripts · 1 stylesheets
JS / CSS size
9.3 KB · 8.5 KB
Page size
59.0 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing canonical link
- Missing OpenGraph tags
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://vdh.com
- Final URL
- https://www.vdh.com/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 1.06 s
- HTML size
- 59.0 KB
- Redirect chain
- https://vdh.com → https://www.vdh.com/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does vdh.com use?
- vdh.com is built with jQuery.
- Is vdh.com secure (HTTPS)?
- Yes. vdh.com uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Sep 10, 2026.
- Who hosts vdh.com?
- Hosting provider information for vdh.com is not available yet.
- What is vdh.com's SEO score?
- vdh.com scored 80/100 for SEO in the latest analysis (great).
- What is vdh.com's overall website score?
- vdh.com has an overall SiteGraph score of 85/100, combining SEO, performance, security, and accessibility.
- What company operates vdh.com?
- vdh.com is operated by VDH Projektmanagement GmbH. Mit unserer menschlichen Arbeitsweise, ganzheitlichen Expertise und strategischem Blick begleiten wir Ihre Projekte durch alle Planungs– und Bauphasen.
- Has vdh.com's score changed over time?
- vdh.com's overall score has stayed steady at 85/100 since Jul 22, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card