60
/ 100
C
Average
Overall Domain Score
SEO 62 · LLM 82 · Perf 36
62
🔍 SEO Score
8 / 13 checks passed
82
🤖 LLM Readiness
9 / 11 checks passed
36
⚡ Performance
4 / 11 checks passed
📝 Extracted Page Tags
Title Tag
Zenda · Autores, libros & cía
Meta Description
¿Sería posible crear una especie de lugar o plaza común, de legión extranjera donde a nadie se le preguntara sino por libros y literatura?, Pérez-Reverte.
H1 Heading
None found
Canonical URL
https://www.zendalibros.com/
🔍 SEO Audit
62/100❌ Title Tag
Length: 29 chars (Ideal: 30-60).
✅ Meta Description
Length: 154 chars (Ideal: 50-160).
❌ H1 Tag
Found 0 H1 tags. Exactly 1 is recommended.
✅ Canonical URL
Canonical URL is set.
✅ Open Graph Tags
Found 6 OG properties (4+ recommended).
✅ Indexability
Page allows indexing.
✅ Mobile Viewport
Viewport meta tag present.
❌ Image Alt Text
13 of 161 images missing alt.
❌ Sitemap
No sitemap found in robots.txt.
❌ Heading Hierarchy
Missing H1 or H2 tags.
✅ Internal Links
Found 309 internal links.
✅ HSTS Security
HSTS header present.
✅ HTTPS
Loads securely over HTTPS.
🤖 LLMO
82/100✅ Structured Data (JSON-LD)
Found 2 JSON-LD blocks.
✅ Schema Entities
Types: webpage, breadcrumblist, website, sitenavigationelement
❌ FAQ Schema
Missing FAQ schema.
✅ Contextual Summary
Description provides good AI context.
✅ E-E-A-T (Author)
Author identity found.
❌ Organisation Schema
Missing Organization schema.
✅ Breadcrumb Schema
Site architecture is machine-readable.
✅ AI Crawler Access
AI agents not blocked.
✅ Language Declaration
Language set to 'es'.
✅ Semantic Structure
Uses <main> or <article>.
✅ Entity Verification Links
Social/publisher profiles linked.
⚡ Performance
36/100Network Waterfall (Total: 1971ms)
- DNS: 253ms
- Connect: 362ms
- TTFB: 801ms
- Download: 1170ms
❌ Time to First Byte (TTFB)
TTFB: 801ms (Target: < 600ms).
❌ HTML Payload Size
Raw HTML: 216.8KB (Target: < 150KB).
❌ Text Compression
No Brotli/Gzip detected.
❌ 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
No lazy loading detected.
✅ Minified Assets
Minified .js/.css referenced.
✅ Preload / Preconnect Hints
Resource hints found.
✅ Character Set
UTF-8 declared.
🛡️ Security & Blacklist
Clean⚙️ Technologies
CMS
WordPress
E-Commerce
Magento
Analytics & Tracking
Google AnalyticsGoogle Tag Manager
JavaScript
jQuery
CSS Frameworks
Font Awesome
Infrastructure & CDN
NginxPHP
📋 WHOIS
Registrar
eNom, LLC
Registered
2015-11-06
Expires
2026-11-06
Last Updated
2025-10-08
Status
client transfer prohibited
Name Servers
ns1.serviciodns.es, ns2.serviciodns.es, ns3.serviciodns.es
🔗 DNS Records
| Type | Value |
|---|---|
| A | 31.24.154.237 |
| MX | mx.redunda.com |
| MX | mx2.redunda.com |
| TXT | v=spf1 mx a:mail.zendalibros.com include:spf.acumbamail.com ~all |
| TXT | google-site-verification=JHI1niOD5YZV0eOzaADe1Y5CxPHuTlZwJAburTxmJJg |
| NS | ns3.serviciodns.es |
| NS | ns2.serviciodns.es |
| NS | ns1.serviciodns.es |