67
/ 100
C
Average
Overall Domain Score
SEO 77 · LLM 64 · Perf 55
77
🔍 SEO Score
10 / 13 checks passed
64
🤖 LLM Readiness
7 / 11 checks passed
55
⚡ Performance
6 / 11 checks passed
📝 Extracted Page Tags
Title Tag
Cornelsen Verlag | Cornelsen
Meta Description
Der Cornelsen Verlag bietet
Bildungsmedien wie Schulbücher, Arbeitshefte und Materialien für den Unterricht für Lernende und Lehrende.
H1 Heading
Startseite Cornelsen Verlag
Canonical URL
https://www.cornelsen.de/
🔍 SEO Audit
77/100❌ Title Tag
Length: 28 chars (Ideal: 30-60).
✅ Meta Description
Length: 135 chars (Ideal: 50-160).
❌ H1 Tag
Found 2 H1 tags. Exactly 1 is recommended.
✅ Canonical URL
Canonical URL is set.
✅ Open Graph Tags
Found 10 OG properties (4+ recommended).
✅ Indexability
Page allows indexing.
✅ Mobile Viewport
Viewport meta tag present.
❌ Image Alt Text
7 of 43 images missing alt.
✅ Sitemap
Sitemap declared.
✅ Heading Hierarchy
H1 and H2 structure detected.
✅ Internal Links
Found 246 internal links.
✅ HSTS Security
HSTS header present.
✅ HTTPS
Loads securely over HTTPS.
🤖 LLMO
64/100✅ Structured Data (JSON-LD)
Found 2 JSON-LD blocks.
✅ Schema Entities
Types: breadcrumblist, website
❌ FAQ Schema
Missing FAQ schema.
✅ Contextual Summary
Description provides good AI context.
❌ E-E-A-T (Author)
No author meta or schema.
❌ Organisation Schema
Missing Organization schema.
✅ Breadcrumb Schema
Site architecture is machine-readable.
❌ AI Crawler Access
robots.txt blocks AI crawlers.
✅ Language Declaration
Language set to 'de'.
✅ Semantic Structure
Uses <main> or <article>.
✅ Entity Verification Links
Social/publisher profiles linked.
⚡ Performance
55/100Network Waterfall (Total: 1250ms)
- DNS: 253ms
- Connect: 345ms
- TTFB: 632ms
- Download: 618ms
❌ Time to First Byte (TTFB)
TTFB: 632ms (Target: < 600ms).
✅ HTML Payload Size
Raw HTML: 31.3KB (Target: < 150KB).
✅ Text Compression
Compression enabled (gzip).
❌ Cache Policies
Missing Cache-Control headers.
❌ CDN Usage
No CDN headers found.
✅ Secure Delivery (HTTPS)
Served securely.
❌ Modern Protocol
Using HTTP/1.1.
✅ Native Lazy Loading
Images use loading='lazy'.
✅ Minified Assets
Minified .js/.css referenced.
❌ Preload / Preconnect Hints
Missing preload/preconnect hints.
✅ Character Set
UTF-8 declared.
🛡️ Security & Blacklist
Clean✅ Domain is clean.
⚙️ Technologies
E-Commerce
Magento
Infrastructure & CDN
Nginx
📋 WHOIS
WHOIS unavailable.
🔗 DNS Records
| Type | Value |
|---|---|
| A | 18.197.38.165 |
| A | 3.125.133.128 |
| A | 3.125.61.87 |
| MX | cornelsen-de.mail.protection.outlook.com |
| TXT | mindmanager-verification=b9efeea84fa602423d14f9bac7387c9ae2b0378134268885e3129f5cd7ccd2c0 |
| TXT | v=spf1 ip4:194.39.190.120 ip4:194.39.190.127 ip4:194.39.189.0/24 include:spf.protection.outlook.com include:spfa.cornelsen.de include:spf.hornetsecurity.com include:_spf.rexx-suite.com include:_spf.qp-mail.eu include:_spf.tivian.com ~all |
| TXT | MS=ms38972756 |
| TXT | Nfp2DdukBLyMwZ1MZSQATjRw6Ajr94CXzmd1LsNJqVAVaSGPxpvlZka2OtwCOlMxAG66SNxUzsAy3+h5gJ/N9g== |
| TXT | WUnqPK33toxdXOu3xyB3X09vypLHEVEJbmi7VwL2tux5VAK2IzqV2DoBVYT+gjABWZbwQOAHvlnvPKPwO9rSbA== |
| TXT | adobe-idp-site-verification=075eefcd8c33f186361df81cd071b736d6ad72a67e45403e81a51e1abc127a35 |
| TXT | amazon-business-verification=f4168904c8be60d1d4877d9ff159908bd25425a8c06daa228a6982d8da6d0194 |
| TXT | apple-domain-verification=xGReqLiL3uORi91J |
| TXT | atlassian-domain-verification=UKhaASuiBgHSP1HFyGFpCg97gxAB3ajCWeNoCi9UhFezOaeLQdoEusxD40HaIWDw |
| TXT | atlassian-sending-domain-verification=ca8d00ff-d08e-4ab7-a729-19a6778e2f9c |
| TXT | cursor-domain-verification-t6wq93=Y4lzs5nNc1kXGVbMsSCgZZlmP |
| TXT | docker-verification=8eaf80ae-69fb-4bf3-990b-ca7f91b5d3ba |
| TXT | elevenlabs=WI20cXefWxZmhjDt-G4BT0pJ0XV5b5MLRLHKFEd_Bgw |
| TXT | extensis-domain-verification=226bf594-c323-4667-ad13-73afbf8a47ad |
| TXT | extensis-domain-verification=d39c624e-715d-4d88-be9a-63bf49dc2697 |
| TXT | figma-domain-verification=78640750bb0cfa14d7920dce6c3b79347f6fb7ae97a3d1b017e990ca2230b1f6-1773731634 |
| TXT | google-site-verification=2Q9tZz5nHSWE65oB8Uve9P-ji_oyafecp2Dr600-Zpk |
| TXT | google-site-verification=aqFKhBTmzR4NFf7pxWpKJ7kpT3WXU9TI-J41Ggr-UXg |
| TXT | google-site-verification=rBaY0LQ0GsZP8eVbJMUNXLzhJsJZ7_BoKIVNoqBYUrc |
| TXT | infoblox-domain-mastery=1f1e1b6c6cd0b91a64b41d81e1c259bad01d8ef277b2d2b00df443084e110f2cb6 |
| TXT | jamf-site-verification=jhRf0g6Yo6ij6f9HrS8mtg |
| NS | ns-771.awsdns-32.net |
| NS | ns-1277.awsdns-31.org |
| NS | ns-1757.awsdns-27.co.uk |
| NS | ns-264.awsdns-33.com |