diehl.com
Diehl Group | Diehl Group
Last scanned Aug 4, 2026, 9:00 PM · 8 views
Overall score
Excellent
Summary
Diehl Stiftung GmbH & Co. SEO is good (85/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance good (80/100). Top issue: Meta description longer than 160 characters.
Diehl Group
Diehl Stiftung GmbH & Co. KG is a globally active German technology enterprise headquartered in Nürnberg. Our broadly diversified product range comprises various business fields in different industrial sectors. With approx. 18,700 employees worldwide, the long-established Diehl company generates annual sales of 4.7 billion euros.
- 3055 employees
Top issues to fix
5 issues found
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
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.
Sluggish estimated load (3.5s)
PerformanceTarget under 3 seconds: enable compression and serve static assets from a CDN.
20 broken links on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
3 issue(s) found
Performance
3.50 s
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
-3 overall since Jul 27, 2026
- Overall
- 91
- SEO
- 85
- Security
- 100
- Performance
- 80
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Diehl Group
Diehl Stiftung GmbH & Co. KG is a globally active German technology enterprise headquartered in Nürnberg. Our broadly diversified product range comprises various business fields in different industrial sectors. With approx. 18,700 employees worldwide, the long-established Diehl company generates annual sales of 4.7 billion euros.
- Employees
- 3055
Meta tags
- Title
- Diehl Group | Diehl Group
- Description
- Diehl Stiftung GmbH & Co. KG is a globally active German technology enterprise headquartered in Nürnberg. Our broadly diversified product range comprises various business fields in different industrial sectors. With approx. 18,700 employees worldwide, the long-established Diehl company generates annual sales of 4.7 billion euros.
- Canonical
- https://new.diehl.com/group/en/
- Language
- en-US
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- index,nofollow
- Manifest
- https://new.diehl.com/manifest.json
Technologies
Detected frameworks, languages, and tools.
No technologies detected.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- Fastly
- 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
- Asseco Data Systems S.A.
- Subject
- new.diehl.com
- Valid from
- Dec 18, 2025
- Valid to
- Nov 20, 2026
- Days until expiry
- 107
- SAN domains
- new.diehl.com, new-qa.diehl.com, admin.newstaging.diehl.com, admin.new-qa.diehl.com, newstaging.diehl.com, admin.diehl.com
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyEnabled
Compression: none · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 9 · H3 9
Links
46 internal · 6 external · 20 broken
Images
13 total · 0 missing alt
Scripts / Styles
7 scripts · 1 stylesheets
JS / CSS size
701 B · 0 B
Page size
92.7 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Meta description longer than 160 characters
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://diehl.com
- Final URL
- https://new.diehl.com/group/en/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 3.50 s
- HTML size
- 92.7 KB
- Redirect chain
- https://diehl.com → https://www.diehl.com/ → https://www.diehl.com/group/ → https://www.diehl.com/group/en/ → https://new.diehl.com/group/en/
See something wrong on this report? Request a correction
Frequently asked questions
- What technology does diehl.com use?
- We did not detect any specific technologies for diehl.com in the latest scan.
- Is diehl.com secure (HTTPS)?
- Yes. diehl.com uses TLS 1.3 with a certificate issued by Asseco Data Systems S.A., valid until Nov 20, 2026.
- Who hosts diehl.com?
- Hosting provider information for diehl.com is not available yet.
- What is diehl.com's SEO score?
- diehl.com scored 85/100 for SEO in the latest analysis (great).
- What is diehl.com's overall website score?
- diehl.com has an overall SiteGraph score of 91/100, combining SEO, performance, security, and accessibility.
- What company operates diehl.com?
- diehl.com is operated by Diehl Group. Diehl Stiftung GmbH & Co. KG is a globally active German technology enterprise headquartered in Nürnberg. Our broadly diversified product range comprises various business fields in different industrial sectors. With approx. 18,700 employees worldwide, the long-established Diehl company generates annual sales of 4.7 billion euros.
- Has diehl.com's score changed over time?
- diehl.com's overall score has declined by 3 points (from 94 to 91) since Jul 27, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card