centrum.cz
Scanned URL: https://centrum.cz
54
🔍 SEO Score
7 / 13 checks passed
55
🤖 LLM Readiness
6 / 11 checks passed
82
⚡ Performance
9 / 11 checks passed
📝 Extracted Page Tags
Title Tag
Centrum.cz: Fandíme dobrému obsahu
Meta Description
Centrum.cz je český internetový portál nabízející e-mail, aktuální zpravodajství, počasí a další zajímavé služby.
H1 Heading
None found
Canonical URL
None found
🔍 SEO Audit
54/100✅ Title Tag
Length: 34 chars (Ideal: 30-60).
✅ Meta Description
Length: 113 chars (Ideal: 50-160).
❌ H1 Tag
Found 0 H1 tags. Exactly 1 is recommended.
❌ Canonical URL
Missing canonical tag.
❌ Open Graph Tags
Found 0 OG properties (4+ recommended).
✅ Indexability
Page allows indexing.
✅ Mobile Viewport
Viewport meta tag present.
❌ Image Alt Text
2 of 145 images missing alt.
✅ Sitemap
Sitemap declared.
❌ Heading Hierarchy
Missing H1 or H2 tags.
✅ Internal Links
Found 259 internal links.
❌ HSTS Security
Missing HSTS header.
✅ HTTPS
Loads securely over HTTPS.
🤖 LLMO
55/100✅ Structured Data (JSON-LD)
Found 1 JSON-LD blocks.
✅ Schema Entities
Types: 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
Missing BreadcrumbList.
✅ AI Crawler Access
AI agents not blocked.
✅ Language Declaration
Language set to 'cs'.
✅ Semantic Structure
Uses <main> or <article>.
❌ Entity Verification Links
No entity validation links.
⚡ Performance
82/100Network Waterfall (Total: 769ms)
- DNS: 29ms
- Connect: 37ms
- TTFB: 78ms
- Download: 691ms
✅ Time to First Byte (TTFB)
TTFB: 78ms (Target: < 600ms).
❌ HTML Payload Size
Raw HTML: 608.9KB (Target: < 150KB).
✅ Text Compression
Compression enabled (gzip).
✅ Cache Policies
Cache-Control headers set.
✅ CDN Usage
Edge delivery detected.
✅ 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
Resource hints found.
✅ Character Set
UTF-8 declared.
🛡️ Security & Blacklist
Clean✅ Domain is clean.
⚙️ Technologies
CMS
WordPress
E-Commerce
Magento
JavaScript
Next.js
Infrastructure & CDN
Cloudflare
📋 WHOIS
Registrar
REG-WEBGLOBE, REG-WEDOS, REG-CZNIC
🔗 DNS Records
| Type | Value |
|---|---|
| A | 46.255.231.129 |
| MX | centrum-cz-10mx2.eco-mx.cz |
| MX | centrum-cz-20mx1.eco-mx.cz |
| MX | centrum-cz-20mx2.eco-mx.cz |
| MX | centrum-cz-10mx1.eco-mx.cz |
| TXT | google-site-verification=MEKZYb6k-z494g7Hs87mlSjL71DkzAiQve-iZuM6a7U |
| TXT | google-site-verification=q6tA5OYkNydQyUnQ63ncTNYRw0rLgXO2ASHL9BwgA4w |
| TXT | google-site-verification=uOQOS8Qfjty5hHS3I9DCL5P_t11ujP4VVpi9bjvBxao |
| TXT | v=spf1 redirect=_spf.centrum.cz |
| TXT | amazonses:zhwnMMKwePHOMKAE378OO5hqbD1h+VXiQvh7TgZFkQc= |
| NS | max.ns.cloudflare.com |
| NS | pam.ns.cloudflare.com |