66
/ 100
C
Average
Overall Domain Score
SEO 77 · LLM 45 · Perf 73
77
🔍 SEO Score
10 / 13 checks passed
45
🤖 LLM Readiness
5 / 11 checks passed
73
⚡ Performance
8 / 11 checks passed
📝 Extracted Page Tags
Title Tag
Accueil | ASNR Recherche et expertise
Meta Description
L'Institut de Radioprotection et de Sûreté Nucléaire (IRSN) effectue des recherches et des expertises sur les risques liés à la radioactivité.
H1 Heading
L'Institut de Radioprotection et de Sûreté Nucléaire (IRSN) effectue des recherches et des expertises sur les risques liés à la radioactivité.
Canonical URL
https://recherche-expertise.asnr.fr/
🔍 SEO Audit
77/100✅ Title Tag
Length: 37 chars (Ideal: 30-60).
✅ Meta Description
Length: 142 chars (Ideal: 50-160).
✅ H1 Tag
Found 1 H1 tags. Exactly 1 is recommended.
✅ Canonical URL
Canonical URL is set.
❌ Open Graph Tags
Found 0 OG properties (4+ recommended).
✅ Indexability
Page allows indexing.
✅ Mobile Viewport
Viewport meta tag present.
❌ Image Alt Text
1 of 11 images missing alt.
❌ Sitemap
No sitemap found in robots.txt.
✅ Heading Hierarchy
H1 and H2 structure detected.
✅ Internal Links
Found 166 internal links.
✅ HSTS Security
HSTS header present.
✅ HTTPS
Loads securely over HTTPS.
🤖 LLMO
45/100❌ Structured Data (JSON-LD)
No JSON-LD found.
❌ Schema Entities
No schema entities.
❌ 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 'fr'.
✅ Semantic Structure
Uses <main> or <article>.
✅ Entity Verification Links
Social/publisher profiles linked.
⚡ Performance
73/100Network Waterfall (Total: 1492ms)
- DNS: 125ms
- Connect: 209ms
- TTFB: 474ms
- Download: 1018ms
✅ Time to First Byte (TTFB)
TTFB: 474ms (Target: < 600ms).
✅ HTML Payload Size
Raw HTML: 18.7KB (Target: < 150KB).
✅ Text Compression
Compression enabled (gzip).
✅ Cache Policies
Cache-Control headers set.
❌ 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
CMS
Drupal
E-Commerce
Magento
JavaScript
jQuery
📋 WHOIS
Registrar
GIP RENATER
Registrant Org
IRSN
Registrant Email
luc.lecointe@irsn.fr
Registered
2002-03-07
Expires
2027-03-07
Last Updated
2026-03-07
Status
active, auto renew period
Name Servers
arlet.irsn.fr, arou.irsn.fr, ns-1179.awsdns-19.org, ns-1764.awsdns-28.co.uk, ns-384.awsdns-48.com, ns-756.awsdns-30.net
🔗 DNS Records
| Type | Value |
|---|---|
| A | 51.210.122.171 |
| MX | irsn.in.tmes.trendmicro.eu |
| TXT | tmes=3ae6ec1f5e30e37b2e29a428f4db88b8 |
| TXT | v=spf1 ip4:81.194.11.17/32 ip4:81.194.11.20/32 include:spf.tmes.trendmicro.com include:spf.protection.outlook.com a:email.certplus.com include:com.datalegaldrive.com include:spf.mailjet.com include:message-business.com ~all |
| TXT | MS=AEAED6435EC3E7669294FCFD1EF3AD813E42462B |
| TXT | dVpll6t64iSqnsMrL1y3P3U470U= |
| TXT | e4wxGwAYHgekeaJp0hdB3NJr/SS9YUE0Fhmiw/mjPMb1ABJC9eCZ3zAmFKZ4VkEr2KDYbFiNqQBTTzk8L8XcBw== |
| NS | ns-756.awsdns-30.net |
| NS | ns-1179.awsdns-19.org |
| NS | arou.irsn.fr |
| NS | ns-384.awsdns-48.com |
| NS | ns-1764.awsdns-28.co.uk |
| NS | arlet.irsn.fr |