55
/ 100
D
Below Avg
Overall Domain Score
SEO 62 · LLM 27 · Perf 73
62
π SEO Score
8 / 13 checks passed
27
π€ LLM Readiness
3 / 11 checks passed
73
β‘ Performance
8 / 11 checks passed
π 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/
π SEO Audit
62/100β Title Tag
Length: 61 chars (Ideal: 30-60).
β
Meta Description
Length: 98 chars (Ideal: 50-160).
β H1 Tag
Found 0 H1 tags. Exactly 1 is recommended.
β
Canonical URL
Canonical URL is set.
β Open Graph Tags
Found 3 OG properties (4+ recommended).
β
Indexability
Page allows indexing.
β
Mobile Viewport
Viewport meta tag present.
β
Image Alt Text
0 of 16 images missing alt.
β Sitemap
No sitemap found in robots.txt.
β Heading Hierarchy
Missing H1 or H2 tags.
β
Internal Links
Found 114 internal links.
β
HSTS Security
HSTS header present.
β
HTTPS
Loads securely over HTTPS.
π€ LLMO
27/100β Structured Data (JSON-LD)
No JSON-LD found.
β Schema Entities
No schema entities.
β FAQ Schema
Missing FAQ schema.
β Contextual Summary
Description too short for AI context.
β E-E-A-T (Author)
No author meta or schema.
β Organisation Schema
Missing Organization schema.
β Breadcrumb Schema
Missing BreadcrumbList.
β AI Crawler Access
robots.txt blocks AI crawlers.
β
Language Declaration
Language set to 'nl'.
β
Semantic Structure
Uses <main> or <article>.
β
Entity Verification Links
Social/publisher profiles linked.
β‘ Performance
73/100Network Waterfall (Total: 974ms)
- DNS: 29ms
- Connect: 126ms
- TTFB: 545ms
- Download: 429ms
β
Time to First Byte (TTFB)
TTFB: 545ms (Target: < 600ms).
β
HTML Payload Size
Raw HTML: 16.6KB (Target: < 150KB).
β
Text Compression
Compression enabled (gzip).
β
Cache Policies
Cache-Control headers set.
β CDN Usage
No CDN headers found.
β
Secure Delivery (HTTPS)
Served securely.
β Modern Protocol
Using HTTP/1.1.
β
Native Lazy Loading
Images use loading='lazy'.
β
Minified Assets
Minified .js/.css referenced.
β Preload / Preconnect Hints
Missing preload/preconnect hints.
β
Character Set
UTF-8 declared.
π‘οΈ Security & Blacklist
Cleanβ
Domain is clean.
β
Spamhaus DBLVerify β
Lookup inconclusive β use the Verify link to check manually.
β
SURBLVerify β
Not listed β no threats detected.
β
URIBLVerify β
Lookup inconclusive β use the Verify link to check manually.
β
Google Safe BrowsingVerify β
No unsafe content found per Google Safe Browsing.
βοΈ Technologies
E-Commerce
Magento
JavaScript
jQuery
π 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
π DNS Records
| Type | Value |
|---|---|
| A | 87.233.198.7 |
| MX | aspmx3.googlemail.com |
| MX | alt1.aspmx.l.google.com |
| MX | alt2.aspmx.l.google.com |
| MX | aspmx.l.google.com |
| MX | aspmx2.googlemail.com |
| TXT | 96P-YYZ-LM1 |
| TXT | MS=ms14161423 |
| TXT | Sendinblue-code:15bc012532d70a1adac9ab5cfdf5a1c1 |
| TXT | adobe-idp-site-verification=d49dcf1958a961f9392e498e9b7712420e5c0a9f0652a49c1c8db2de451f100d |
| TXT | apple-domain-verification=OM1xJikr5i8zM68z |
| TXT | atlassian-domain-verification=UgmDa3zvR4O1V7FdRH0Iu4MZMg6KcxzuTlJCwAkGThjzMobW9jYuaC68u3/RlW2T |
| TXT | facebook-domain-verification=ev2s79mdr0b2f8kqmsl4avze14c4o7 |
| TXT | google-site-verification=0y75YWbuia0NHeqUj92Wd2IApYc7gR_rA4nkKCBw-5A |
| TXT | google-site-verification=IAzOsNyuxqNkhVOu8b63LVk_vOk8rZyrQfvvEp6bb-c |
| TXT | google-site-verification=L0Gr5-6pFlk9guv9rYEA4p8_x fP82mk-FPyQwxaYE_8 |
| TXT | google-site-verification=UOjmpsS24SgU8wFBZv5bgK6tNcHBBCZEACl9SeCSWFo |
| TXT | google-site-verification=ajeg1sHq2aXJdP9ZfUVbHit3vKI-8-g0eis_ctr3FR0 |
| TXT | jamf-site-verification=zwNreMGscYCY3HU7Upb_8g |
| TXT | v=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 |
| NS | ns-117.awsdns-14.com |
| NS | ns-1282.awsdns-32.org |
| NS | ns-1805.awsdns-33.co.uk |
| NS | ns-959.awsdns-55.net |