naturalis.nl

Scanned URL: https://naturalis.nl

📅 Scan completed: April 12, 2026 at 9:03 AM

55
/ 100
D
Below Avg
Overall Domain Score
SEO 62 · LLM 27 · Perf 73
62

πŸ” SEO Score

8 / 13 checks passed

27

πŸ€– LLM Readiness

3 / 11 checks passed

73

⚑ Performance

8 / 11 checks passed

πŸ“ Extracted Page Tags
Title Tag
Naturalis Biodiversity Center | Museum en onderzoek in Leiden
Meta Description
Naturalis Biodiversity Center: voor iedereen die meer wil ontdekken over de rijkdom van de natuur.
H1 Heading
None found
Canonical URL
https://www.naturalis.nl/
πŸ” SEO Audit
62/100
❌ Title Tag
Length: 61 chars (Ideal: 30-60).
βœ… Meta Description
Length: 98 chars (Ideal: 50-160).
❌ H1 Tag
Found 0 H1 tags. Exactly 1 is recommended.
βœ… Canonical URL
Canonical URL is set.
❌ Open Graph Tags
Found 3 OG properties (4+ recommended).
βœ… Indexability
Page allows indexing.
βœ… Mobile Viewport
Viewport meta tag present.
βœ… Image Alt Text
0 of 16 images missing alt.
❌ Sitemap
No sitemap found in robots.txt.
❌ Heading Hierarchy
Missing H1 or H2 tags.
βœ… Internal Links
Found 114 internal links.
βœ… HSTS Security
HSTS header present.
βœ… HTTPS
Loads securely over HTTPS.
πŸ€– LLMO
27/100
❌ Structured Data (JSON-LD)
No JSON-LD found.
❌ Schema Entities
No schema entities.
❌ FAQ Schema
Missing FAQ schema.
❌ Contextual Summary
Description too short for AI context.
❌ E-E-A-T (Author)
No author meta or schema.
❌ Organisation Schema
Missing Organization schema.
❌ Breadcrumb Schema
Missing BreadcrumbList.
❌ AI Crawler Access
robots.txt blocks AI crawlers.
βœ… Language Declaration
Language set to 'nl'.
βœ… Semantic Structure
Uses <main> or <article>.
βœ… Entity Verification Links
Social/publisher profiles linked.
⚑ Performance
73/100
Network Waterfall (Total: 974ms)
  • DNS: 29ms
  • Connect: 126ms
  • TTFB: 545ms
  • Download: 429ms
βœ… Time to First Byte (TTFB)
TTFB: 545ms (Target: < 600ms).
βœ… HTML Payload Size
Raw HTML: 16.6KB (Target: < 150KB).
βœ… Text Compression
Compression enabled (gzip).
βœ… Cache Policies
Cache-Control headers set.
❌ CDN Usage
No CDN headers found.
βœ… Secure Delivery (HTTPS)
Served securely.
❌ Modern Protocol
Using HTTP/1.1.
βœ… Native Lazy Loading
Images use loading='lazy'.
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
JavaScript
jQuery
πŸ“‹ WHOIS
Registrar
Gandi
Registered
1997-05-28
Last Updated
2021-03-17
Status
active
Name Servers
ns-1282.awsdns-32.org, ns-959.awsdns-55.net, ns-117.awsdns-14.com, ns-1805.awsdns-33.co.uk
πŸ”— DNS Records
TypeValue
A87.233.198.7
MXaspmx3.googlemail.com
MXalt1.aspmx.l.google.com
MXalt2.aspmx.l.google.com
MXaspmx.l.google.com
MXaspmx2.googlemail.com
TXT96P-YYZ-LM1
TXTMS=ms14161423
TXTSendinblue-code:15bc012532d70a1adac9ab5cfdf5a1c1
TXTadobe-idp-site-verification=d49dcf1958a961f9392e498e9b7712420e5c0a9f0652a49c1c8db2de451f100d
TXTapple-domain-verification=OM1xJikr5i8zM68z
TXTatlassian-domain-verification=UgmDa3zvR4O1V7FdRH0Iu4MZMg6KcxzuTlJCwAkGThjzMobW9jYuaC68u3/RlW2T
TXTfacebook-domain-verification=ev2s79mdr0b2f8kqmsl4avze14c4o7
TXTgoogle-site-verification=0y75YWbuia0NHeqUj92Wd2IApYc7gR_rA4nkKCBw-5A
TXTgoogle-site-verification=IAzOsNyuxqNkhVOu8b63LVk_vOk8rZyrQfvvEp6bb-c
TXTgoogle-site-verification=L0Gr5-6pFlk9guv9rYEA4p8_x fP82mk-FPyQwxaYE_8
TXTgoogle-site-verification=UOjmpsS24SgU8wFBZv5bgK6tNcHBBCZEACl9SeCSWFo
TXTgoogle-site-verification=ajeg1sHq2aXJdP9ZfUVbHit3vKI-8-g0eis_ctr3FR0
TXTjamf-site-verification=zwNreMGscYCY3HU7Upb_8g
TXTv=spf1 mx include:spf1.naturalis.nl include:_spf.google.com include:spf.afas.online include:spf.topdesk.net include:spf.mailjet.com include:_spf.salesforce.com -all
NSns-117.awsdns-14.com
NSns-1282.awsdns-32.org
NSns-1805.awsdns-33.co.uk
NSns-959.awsdns-55.net

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