elektronik-kompendium.de
Elektronik-Kompendium.de - Elektronik einfach und leicht verständlich
Last scanned Aug 5, 2026, 2:00 AM · 11 views
Overall score
Fair
Summary
Elektronik, Computertechnik, Kommunikationstechnik und Netzwerktechnik einfach und leicht verständlich erklärt. This website uses Apache hosted on IONOS-AS - IONOS SE, DE. SEO is fair (65/100) and accessibility is excellent (90/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: Title longer than 60 characters.
Elektronik, Computertechnik, Kommunikationstechnik und Netzwerktechnik einfach und leicht verständlich erklärt.
- Germany
- Hosted on IONOS-AS - IONOS SE, DE
Top issues to fix
9 issues found · 3 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.
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 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.
Title longer than 60 characters
SEOShorten the title to under 60 characters so search results don't truncate it.
+3 more issues — details in the sections below.
SEO
5 issue(s) found
Performance
267 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Score history
0 overall since Jul 27, 2026
- Overall
- 79
- SEO
- 65
- Security
- 65
- Performance
- 100
- Accessibility
- 90
Organization
Company details published in this site's own structured data.
Elektronik, Computertechnik, Kommunikationstechnik und Netzwerktechnik einfach und leicht verständlich erklärt.
Meta tags
- Title
- Elektronik-Kompendium.de - Elektronik einfach und leicht verständlich
- Description
- Elektronik, Computertechnik, Kommunikationstechnik und Netzwerktechnik einfach und leicht verständlich erklärt.
- Canonical
- https://www.elektronik-kompendium.de/
- Language
- de-DE
- Charset
- ISO-8859-1
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
- https://www.elektronik-kompendium.de/res/assets/manifest.json
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- IONOS-AS - IONOS SE, DE
- CDN provider
- —
- IP address
- 217.160.0.96
- 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
- Sectigo Limited
- Subject
- *.elektronik-kompendium.de
- Valid from
- Jul 25, 2026
- Valid to
- Feb 4, 2027
- Days until expiry
- 183
- SAN domains
- *.elektronik-kompendium.de, elektronik-kompendium.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 0 · H2 8 · H3 5
Links
42 internal · 1 external · 0 broken
Images
13 total · 1 missing alt
Scripts / Styles
4 scripts · 1 stylesheets
JS / CSS size
131 KB · 151 KB
Page size
23.8 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 5
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Title longer than 60 characters
- No H1 heading found
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- sitemap.xml not found
Accessibility issues
- No H1 heading found
Scan details
- Requested URL
- https://elektronik-kompendium.de
- Final URL
- https://www.elektronik-kompendium.de/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 267 ms
- HTML size
- 23.8 KB
- Redirect chain
- https://elektronik-kompendium.de → https://www.elektronik-kompendium.de/
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Frequently asked questions
- What technology does elektronik-kompendium.de use?
- elektronik-kompendium.de is built with jQuery, Apache.
- Is elektronik-kompendium.de secure (HTTPS)?
- Yes. elektronik-kompendium.de uses TLS 1.3 with a certificate issued by Sectigo Limited, valid until Feb 4, 2027.
- Who hosts elektronik-kompendium.de?
- elektronik-kompendium.de is hosted on IONOS-AS - IONOS SE, DE.
- What is elektronik-kompendium.de's SEO score?
- elektronik-kompendium.de scored 65/100 for SEO in the latest analysis (fair).
- What is elektronik-kompendium.de's overall website score?
- elektronik-kompendium.de has an overall SiteGraph score of 79/100, combining SEO, performance, security, and accessibility.
- Has elektronik-kompendium.de's score changed over time?
- elektronik-kompendium.de's overall score has stayed steady at 79/100 since Jul 27, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card