duo.nl

Scanned URL: https://duo.nl

📅 Scan completed: April 13, 2026 at 6:06 AM

52
/ 100
D
Below Avg
Overall Domain Score
SEO 69 · LLM 36 · Perf 45
69

πŸ” SEO Score

9 / 13 checks passed

36

πŸ€– LLM Readiness

4 / 11 checks passed

45

⚑ Performance

5 / 11 checks passed

πŸ“ Extracted Page Tags
Title Tag
DUO - Particulier
Meta Description
Informatie voor studenten, terugbetalers en leraren. Informatie over studiefinanciering, studieschuld, reizen, lesgeld, diploma’s en staatsexamens.
H1 Heading
DUO Particulier
Canonical URL
None found
πŸ” SEO Audit
69/100
❌ Title Tag
Length: 17 chars (Ideal: 30-60).
βœ… Meta Description
Length: 147 chars (Ideal: 50-160).
βœ… H1 Tag
Found 1 H1 tags. Exactly 1 is recommended.
❌ Canonical URL
Missing canonical tag.
βœ… Open Graph Tags
Found 8 OG properties (4+ recommended).
βœ… Indexability
Page allows indexing.
βœ… Mobile Viewport
Viewport meta tag present.
❌ Image Alt Text
4 of 4 images missing alt.
❌ Sitemap
No sitemap found in robots.txt.
βœ… Heading Hierarchy
H1 and H2 structure detected.
βœ… Internal Links
Found 51 internal links.
βœ… HSTS Security
HSTS header present.
βœ… HTTPS
Loads securely over HTTPS.
πŸ€– LLMO
36/100
❌ Structured Data (JSON-LD)
No JSON-LD found.
❌ Schema Entities
No schema entities.
❌ FAQ Schema
Missing FAQ schema.
βœ… 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.
βœ… AI Crawler Access
AI agents not blocked.
βœ… Language Declaration
Language set to 'nl'.
βœ… Semantic Structure
Uses <main> or <article>.
❌ Entity Verification Links
No entity validation links.
⚑ Performance
45/100
Network Waterfall (Total: 914ms)
  • DNS: 0ms
  • Connect: 0ms
  • TTFB: 120ms
  • Download: 794ms
βœ… Time to First Byte (TTFB)
TTFB: 120ms (Target: < 600ms).
βœ… HTML Payload Size
Raw HTML: 29.1KB (Target: < 150KB).
❌ Text Compression
No Brotli/Gzip detected.
❌ Cache Policies
Missing Cache-Control headers.
❌ CDN Usage
No CDN headers found.
βœ… Secure Delivery (HTTPS)
Served securely.
❌ Modern Protocol
Using HTTP/1.1.
❌ Native Lazy Loading
No lazy loading detected.
βœ… Minified Assets
Minified .js/.css referenced.
❌ Preload / Preconnect Hints
Missing preload/preconnect hints.
βœ… Character Set
UTF-8 declared.
πŸ›‘οΈ Security & Blacklist
Clean
βœ… Domain is clean.
βœ… Spamhaus DBLVerify β†—
Lookup inconclusive β€” use the Verify link to check manually.
βœ… SURBLVerify β†—
Not listed β€” no threats detected.
βœ… URIBLVerify β†—
Lookup inconclusive β€” use the Verify link to check manually.
βœ… Google Safe BrowsingVerify β†—
No unsafe content found per Google Safe Browsing.
βš™οΈ Technologies
E-Commerce
Magento
Analytics & Tracking
Google Tag Manager
πŸ“‹ WHOIS
Registrar
Rijksoverheid
Registered
1998-12-18
Last Updated
2025-05-22
Status
active
Name Servers
ns2.surfnet.nl, ns1.surfnet.nl, ns1.zurich.surf.net, ns3.surfnet.nl
πŸ”— DNS Records
TypeValue
A194.171.77.135
MXgrnms102.duo.nl
MXgrnms101.duo.nl
TXT_j006jnihj6zmhuldygm2l4yyqb3s5vm
TXTcisco-ci-domain-verification=638367e007ac0876e9c860d9f73c3ed446324f61139de9b6cd0dc6c9900eea58
TXTgoogle-site-verification=CUypQ0HV90dDVOrwS7D_vZ5NAk5lR02MgwbedEEYa1Y
TXTQuoVadis=25dc9442-0d2e-4179-afca-2f1a244a008c
TXT_jv1c8udejn31blgz6tm21crhud4cc4w
TXTgoogle-site-verification=Jo-BbRZ-__HSKjce2cgIuEUi9tJDMMeuwuEVpl3Am9o
TXTd365mktkey=V2SPaBFMsv3Px7EpOMn0EMJiGZjfArbfR9eOKlOWfLAx
TXT093013cdf61fd81ceca2a8b82df8d689d4a14ee58dd6ceb2c6ee38dde8e54e64
TXTgoogle-site-verification=qbvg5XNKlJSM6IZoZS_DoWYYvVN1177Tbwgn6PzPVFA
TXTv=spf1 mx a ip4:62.112.225.180 ip4:89.221.178.154 ip4:212.159.201.77 ip4:212.159.201.78 include:spf.protection.outlook.com ~all
TXTmiro-verification=747ea291dc9933216b3ee89c85d886bb58e5ff2a
TXT8ZMdLGut+ODreQqgOL1z8ZPHCd32IZK5ee6DxdmpU/hZN9m7//YfHQhiDc9LcNQh1WZE9bbnbtsDyf2AGiFrQg==
TXTMS=2A35729DF7B6879605A380199134229FA98192DC
TXTd365mktkey=ZrTWozr5a3vpqbxt1Y3zYMwc3dTiPfefusQ5DUarTSUx
TXTd365mktkey=Y2bbSTDjtCiPr1RmTDNbAt4t0K0xZ4voo8WTHuqtyhQx
TXTkbE5rD5eSyaHC4KGPYtyK5pCrPFl3JLV1RvtjAkZolz8KyIMfpQEtYdL1kptnP0S
TXTe344b6293aaff980dacfdfca8d89a596c998a653ffc6da246984b5280553f353
TXT34795ab8189f9058900af51f79e50414a2d9a007be11677d35d79d4ed8b6cedf
TXTcisco-ci-domain-verification=7720fd0785f14f8beee922a0084b84c2860b61ef66200ff3d739a4447472d9f4
TXTapple-domain-verification=fFfN7j339skh0Mh1
NSns1.zurich.surf.net
NSns2.surfnet.nl
NSns3.surfnet.nl
NSns1.surfnet.nl

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