zum.de
Scanned URL: https://zum.de
46
π SEO Score
6 / 13 checks passed
27
π€ LLM Readiness
3 / 11 checks passed
64
β‘ Performance
7 / 11 checks passed
π Extracted Page Tags
Title Tag
Zentrale fΓΌr Unterrichtsmedien im Internet e.V.
Meta Description
None found
H1 Heading
None found
Canonical URL
https://www.zum.de/portal/
π SEO Audit
46/100β
Title Tag
Length: 47 chars (Ideal: 30-60).
β Meta Description
No description found.
β H1 Tag
Found 0 H1 tags. Exactly 1 is recommended.
β
Canonical URL
Canonical URL is set.
β Open Graph Tags
Found 0 OG properties (4+ recommended).
β
Indexability
Page allows indexing.
β
Mobile Viewport
Viewport meta tag present.
β Image Alt Text
22 of 27 images missing alt.
β Sitemap
No sitemap found in robots.txt.
β Heading Hierarchy
Missing H1 or H2 tags.
β
Internal Links
Found 47 internal links.
β HSTS Security
Missing HSTS header.
β
HTTPS
Loads securely over HTTPS.
π€ LLMO
27/100β Structured Data (JSON-LD)
No JSON-LD found.
β Schema Entities
No schema entities.
β FAQ Schema
Missing FAQ schema.
β Contextual Summary
Description too short for AI context.
β E-E-A-T (Author)
No author meta or schema.
β Organisation Schema
Missing Organization schema.
β Breadcrumb Schema
Missing BreadcrumbList.
β
AI Crawler Access
AI agents not blocked.
β
Language Declaration
Language set to 'de'.
β
Semantic Structure
Uses <main> or <article>.
β Entity Verification Links
No entity validation links.
β‘ Performance
64/100Network Waterfall (Total: 1956ms)
- DNS: 0ms
- Connect: 0ms
- TTFB: 265ms
- Download: 1691ms
β
Time to First Byte (TTFB)
TTFB: 265ms (Target: < 600ms).
β
HTML Payload Size
Raw HTML: 33.9KB (Target: < 150KB).
β
Text Compression
Compression enabled (gzip).
β Cache Policies
Missing Cache-Control headers.
β CDN Usage
No CDN headers found.
β
Secure Delivery (HTTPS)
Served securely.
β Modern Protocol
Using HTTP/1.1.
β
Native Lazy Loading
Images use loading='lazy'.
β
Minified Assets
Minified .js/.css referenced.
β Preload / Preconnect Hints
Missing preload/preconnect hints.
β
Character Set
UTF-8 declared.
π‘οΈ Security & Blacklist
Cleanβ
Domain is clean.
β
Spamhaus DBLVerify β
Lookup inconclusive β use the Verify link to check manually.
β
SURBLVerify β
Not listed β no threats detected.
β
URIBLVerify β
Lookup inconclusive β use the Verify link to check manually.
β
Google Safe BrowsingVerify β
No unsafe content found per Google Safe Browsing.
βοΈ Technologies
CMS
WordPress
E-Commerce
Magento
JavaScript
jQuery
CSS Frameworks
Font Awesome
Infrastructure & CDN
Nginx
π WHOIS
WHOIS unavailable.
π DNS Records
| Type | Value |
|---|---|
| A | 46.4.65.203 |
| MX | zumserver.zum.de |
| TXT | v=spf1 mx a ip4:46.4.65.203/32 mx:metis.zum.de mx:zumserver.zum.de ip4:88.99.253.153/32 ip4:116.202.233.184/32 ip4:168.119.145.97/32 ip6:2a01:4f8:251:85d::2 -all |
| TXT | _acme-challenge.zum.de=tvGkjf0_KK1Jku6woc6eYyH7UluTc9gg5HKU3JFcUiY |
| NS | ns1.first-ns.de |
| NS | robotns2.second-ns.de |
| NS | robotns3.second-ns.com |