61
/ 100
C
Average
Overall Domain Score
SEO 77 · LLM 45 · Perf 55
77
🔍 SEO Score
10 / 13 checks passed
45
🤖 LLM Readiness
5 / 11 checks passed
55
⚡ Performance
6 / 11 checks passed
📝 Extracted Page Tags
Title Tag
SURF is de ict-coöperatie van onderwijs en onderzoek | SURF.nl
Meta Description
Meer dan 100 onderwijs- en onderzoeksinstellingen in Nederland werken in de coöperatie SURF samen om de kansen van digitalisering ten volle benutten. Het doel: beter en flexibeler onderwijs en onderzoek.
H1 Heading
Homepagina
Canonical URL
https://www.surf.nl/
🔍 SEO Audit
77/100❌ Title Tag
Length: 62 chars (Ideal: 30-60).
❌ Meta Description
Length: 203 chars (Ideal: 50-160).
✅ H1 Tag
Found 1 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
3 of 11 images missing alt.
✅ Sitemap
Sitemap declared.
✅ Heading Hierarchy
H1 and H2 structure detected.
✅ Internal Links
Found 131 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 'nl'.
✅ Semantic Structure
Uses <main> or <article>.
✅ Entity Verification Links
Social/publisher profiles linked.
⚡ Performance
55/100Network Waterfall (Total: 1559ms)
- DNS: 253ms
- Connect: 347ms
- TTFB: 751ms
- Download: 808ms
❌ Time to First Byte (TTFB)
TTFB: 751ms (Target: < 600ms).
❌ HTML Payload Size
Raw HTML: 259.3KB (Target: < 150KB).
❌ Text Compression
No Brotli/Gzip detected.
✅ 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
Missing preload/preconnect hints.
✅ Character Set
UTF-8 declared.
🛡️ Security & Blacklist
Clean✅ Domain is clean.
⚙️ Technologies
E-Commerce
Magento
JavaScript
jQuery
Infrastructure & CDN
Nginx
📋 WHOIS
WHOIS unavailable.
🔗 DNS Records
| Type | Value |
|---|---|
| A | 145.100.190.243 |
| A | 192.87.108.15 |
| MX | surf-nl.mail.protection.outlook.com |
| TXT | MS=ms58073161 |
| TXT | adobe-idp-site-verification=bb247cf6e0162a264df1886109d59464c0de78dd3f1e04091bca1c4bf93d10cd |
| TXT | bw=vBRo1av7Hlff58uTo8JYIGGG1dVp67IqBa9Et9JaLpnr |
| TXT | HARICA-TbKrfKhF6FZRm1uAgOJ |
| TXT | google-site-verification=eBmfmfF08EHY7J6CNUWO3k_iKc1hisioiNIYDZ7l3nc |
| TXT | LwdgkMB+IUPOT7+0YXpUA6xInAPm/QkgJGuSci6msn1oZh76zdu2DuXkol9DSKQ4S50VZhZAxZvfRqwpaD7pCw== |
| TXT | v=spf1 include:_spf.surfmailfilter.nl include:mailplus.nl include:soverin.net include:spf.protection.outlook.com include:spf.surf.nl include:mail.zendesk.com ~all |
| TXT | 4KpnMi9KFXJveaqCcl7taNkGhTxHDB0ITMkEidiOEJa5vdx2+L/on3nrIAGKkvhZ8dnPomZoqaZK3Dhp+a9Ilg== |
| TXT | apple-domain-verification=g7uZuYdCUCKUQJEh |
| TXT | mentimeter-5e1dbed6-22e8-40bb-983d-cfb0d2f07fcd |
| NS | ns3.surfnet.nl |
| NS | ns2.surfnet.nl |
| NS | ns1.zurich.surf.net |
| NS | ns1.surfnet.nl |