kosmos.de
KOSMOS Verlag
Last scanned Aug 4, 2026, 10:00 AM · 12 views
Overall score
Excellent
Summary
Willkommen beim KOSMOS Verlag - entdecken Sie das umfangreiche Programm mit Spielen, Kinder- & Jugendbüchern, Experimentierkästen & Ratgebern…. This website uses Shopify behind Cloudflare CDN. SEO is excellent (90/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance good (80/100). Top issue: robots.txt not found.
KOSMOS Verlag
Willkommen beim KOSMOS Verlag - entdecken Sie das umfangreiche Programm mit Spielen, Kinder- & Jugendbüchern, Experimentierkästen & Ratgebern…
Top issues to fix
5 issues found · 1 high priority
Very heavy page (3.5 MB)
PerformanceCompress images (WebP/AVIF), lazy-load below-the-fold media, and trim unused JavaScript.
4 cookies without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
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.
20 broken links on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
2 issue(s) found
Performance
645 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
0 overall since Jul 27, 2026
- Overall
- 92
- SEO
- 90
- Security
- 100
- Performance
- 80
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Meta tags
- Title
- KOSMOS Verlag
- Description
- Willkommen beim KOSMOS Verlag - entdecken Sie das umfangreiche Programm mit Spielen, Kinder- & Jugendbüchern, Experimentierkästen & Ratgebern…
- Canonical
- https://www.kosmos.de/
- Language
- de
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1.0, height=device-height, minimum-scale=1.0, maximum-scale=1.0
- 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
- Let's Encrypt
- Subject
- www.kosmos.de
- Valid from
- Jun 17, 2026
- Valid to
- Sep 15, 2026
- Days until expiry
- 42
- SAN domains
- www.kosmos.de
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 7 cookie(s) observed
Content & assets
Headings
H1 1 · H2 6 · H3 0
Links
388 internal · 16 external · 20 broken
Images
366 total · 1 missing alt
Scripts / Styles
72 scripts · 3 stylesheets
JS / CSS size
150 KB · 50.0 KB
Page size
3.5 MB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://kosmos.de
- Final URL
- https://www.kosmos.de/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 572 ms
- HTML size
- 3.5 MB
- Redirect chain
- https://kosmos.de → https://www.kosmos.de/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does kosmos.de use?
- kosmos.de is built with Shopify.
- Is kosmos.de secure (HTTPS)?
- Yes. kosmos.de uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 15, 2026.
- Who hosts kosmos.de?
- Hosting provider information for kosmos.de is not available yet.
- What is kosmos.de's SEO score?
- kosmos.de scored 90/100 for SEO in the latest analysis (excellent).
- What is kosmos.de's overall website score?
- kosmos.de has an overall SiteGraph score of 92/100, combining SEO, performance, security, and accessibility.
- What company operates kosmos.de?
- kosmos.de is operated by KOSMOS Verlag. Willkommen beim KOSMOS Verlag - entdecken Sie das umfangreiche Programm mit Spielen, Kinder- & Jugendbüchern, Experimentierkästen & Ratgebern…
- Has kosmos.de's score changed over time?
- kosmos.de's overall score has stayed steady at 92/100 since Jul 27, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card