stellarium-web.org

Scanned URL: https://stellarium-web.org

📅 Scan completed: April 16, 2026 at 2:19 AM

46
/ 100
F
Poor
Overall Domain Score
SEO 46 · LLM 27 · Perf 64
46

πŸ” SEO Score

6 / 13 checks passed

27

πŸ€– LLM Readiness

3 / 11 checks passed

64

⚑ Performance

7 / 11 checks passed

πŸ“ Extracted Page Tags
Title Tag
Stellarium Web Online Star Map
Meta Description
Stellarium Web is a planetarium running in your web browser. It shows a realistic star map, just like what you see with the naked eye, binoculars or a telescope.
H1 Heading
None found
Canonical URL
None found
πŸ” SEO Audit
46/100
βœ… Title Tag
Length: 30 chars (Ideal: 30-60).
❌ Meta Description
Length: 161 chars (Ideal: 50-160).
❌ H1 Tag
Found 0 H1 tags. Exactly 1 is recommended.
❌ Canonical URL
Missing canonical tag.
❌ Open Graph Tags
Found 0 OG properties (4+ recommended).
βœ… Indexability
Page allows indexing.
βœ… Mobile Viewport
Viewport meta tag present.
βœ… Image Alt Text
No images found.
❌ Sitemap
No sitemap found in robots.txt.
❌ Heading Hierarchy
Missing H1 or H2 tags.
❌ Internal Links
Found 0 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.
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 'en'.
❌ Semantic Structure
No semantic HTML5 wrappers.
❌ Entity Verification Links
No entity validation links.
⚑ Performance
64/100
Network Waterfall (Total: 583ms)
  • DNS: 124ms
  • Connect: 236ms
  • TTFB: 583ms
  • Download: 0ms
βœ… Time to First Byte (TTFB)
TTFB: 583ms (Target: < 600ms).
βœ… HTML Payload Size
Raw HTML: 1.3KB (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.
❌ Native Lazy Loading
No lazy loading detected.
❌ Minified Assets
No minified assets linked.
βœ… Preload / Preconnect Hints
Resource hints found.
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 warnings found in Google Safe Browsing transparency report.
βš™οΈ Technologies
E-Commerce
Magento
Analytics & Tracking
Google AnalyticsGoogle Tag Manager
Infrastructure & CDN
AWS CloudFrontNginx
πŸ“‹ WHOIS
Registrar
Gandi SAS
Registered
2018-06-12T09:07:47Z
Expires
2027-06-12T09:07:47Z
Last Updated
2026-04-13T07:11:56Z
Status
clientTransferProhibited https://icann.org/epp#clientTransferProhibited, renewPeriod https://icann.org/epp#renewPeriod
Name Servers
ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com
πŸ”— DNS Records
TypeValue
A54.37.131.182
MXspool.mail.gandi.net
MXfb.mail.gandi.net
TXTv=spf1 include:_mailcust.gandi.net ?all
NSns1.digitalocean.com
NSns2.digitalocean.com
NSns3.digitalocean.com

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