siedle.com
Manufacturer of intercom systems - Siedle
Last scanned Jul 26, 2026, 3:19 PM
Overall score
Great
Summary
Siedle is one of Europe’s leading manufacturers of intercom systems, providing building and door communication systems made in Germany. This website uses Nginx hosted on IONOS-AS - IONOS SE, DE. SEO is good (80/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance good (80/100). Top issue: Missing canonical link.
Siedle is one of Europe’s leading manufacturers of intercom systems, providing building and door communication systems made in Germany. Find out more now!
- Germany
- Hosted on IONOS-AS - IONOS SE, DE
Top issues to fix
8 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.
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.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
+2 more issues — details in the sections below.
SEO
3 issue(s) found
Performance
753 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.
Meta tags
- Title
- Manufacturer of intercom systems - Siedle
- Description
- Siedle is one of Europe’s leading manufacturers of intercom systems, providing building and door communication systems made in Germany. Find out more now!
- Canonical
- Language
- en-GB
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1.0
- Robots meta
- Manifest
- https://assets.siedle.com/favicons/manifest.json
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- IONOS-AS - IONOS SE, DE
- CDN provider
- —
- IP address
- 217.160.172.87
- ASN
- AS8560 (IONOS-AS - IONOS SE, 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
- siedle.com
- Valid from
- May 30, 2026
- Valid to
- Aug 28, 2026
- Days until expiry
- 32
- SAN domains
- siedle.com, siedle.de, www.siedle.com, www.siedle.de
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 4 · H3 2
Links
22 internal · 4 external · 3 broken
Images
11 total · 0 missing alt
Scripts / Styles
22 scripts · 2 stylesheets
JS / CSS size
814 KB · 345 KB
Page size
498 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing canonical link
- No structured data (JSON-LD) found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://siedle.com
- Final URL
- https://www.siedle.com/en-gb/home/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 743 ms
- HTML size
- 498 KB
- Redirect chain
- https://siedle.com → https://www.siedle.com/en-gb/home/
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Frequently asked questions
- What technology does siedle.com use?
- siedle.com is built with Google Analytics, Nginx.
- Is siedle.com secure (HTTPS)?
- Yes. siedle.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Aug 28, 2026.
- Who hosts siedle.com?
- siedle.com is hosted on IONOS-AS - IONOS SE, DE.
- What is siedle.com's SEO score?
- siedle.com scored 80/100 for SEO in the latest analysis (great).
- What is siedle.com's overall website score?
- siedle.com has an overall SiteGraph score of 80/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card