worldwidetelescope.org
Scanned URL: https://worldwidetelescope.org
📅 Scan completed: April 18, 2026 at 4:55 PM
41
/ 100
F
Poor
Overall Domain Score
SEO 62 · LLM 9 · Perf 45
62
π SEO Score
8 / 13 checks passed
9
π€ LLM Readiness
1 / 11 checks passed
45
β‘ Performance
5 / 11 checks passed
π Extracted Page Tags
Title Tag
WorldWide Telescope β Web Client
Meta Description
Worldwide Telescope is a tool for showcasing astronomical data and knowledge.
H1 Heading
WorldWide Telescope
Canonical URL
None found
π SEO Audit
62/100β
Title Tag
Length: 32 chars (Ideal: 30-60).
β
Meta Description
Length: 77 chars (Ideal: 50-160).
β
H1 Tag
Found 1 H1 tags. Exactly 1 is recommended.
β Canonical URL
Missing canonical tag.
β
Open Graph Tags
Found 8 OG properties (4+ recommended).
β
Indexability
Page allows indexing.
β
Mobile Viewport
Viewport meta tag present.
β Image Alt Text
5 of 8 images missing alt.
β Sitemap
No sitemap found in robots.txt.
β Heading Hierarchy
Missing H1 or H2 tags.
β
Internal Links
Found 1 internal links.
β HSTS Security
Missing HSTS header.
β
HTTPS
Loads securely over HTTPS.
π€ LLMO
9/100β 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
AI agents not blocked.
β Language Declaration
Missing <html> lang attribute.
β Semantic Structure
No semantic HTML5 wrappers.
β Entity Verification Links
No entity validation links.
β‘ Performance
45/100Network Waterfall (Total: 658ms)
- DNS: 0ms
- Connect: 0ms
- TTFB: 155ms
- Download: 503ms
β
Time to First Byte (TTFB)
TTFB: 155ms (Target: < 600ms).
β
HTML Payload Size
Raw HTML: 58.1KB (Target: < 150KB).
β Text Compression
No Brotli/Gzip detected.
β Cache Policies
Missing Cache-Control headers.
β CDN Usage
No CDN headers found.
β
Secure Delivery (HTTPS)
Served securely.
β Modern Protocol
Using HTTP/1.1.
β Native Lazy Loading
No lazy loading detected.
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
Analytics & Tracking
Google AnalyticsGoogle Tag Manager
JavaScript
AngularjQuery
CSS Frameworks
Font Awesome
π WHOIS
Registrar
NameCheap, Inc.
Registered
2007-03-07T18:54:30Z
Expires
2027-03-07T18:54:30Z
Last Updated
2026-02-10T09:59:39Z
Status
clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Servers
ns3-04.azure-dns.org, ns1-04.azure-dns.com, ns2-04.azure-dns.net, ns4-04.azure-dns.info
π DNS Records
| Type | Value |
|---|---|
| A | 13.87.152.132 |
| MX | alt2.aspmx.l.google.com |
| MX | alt3.aspmx.l.google.com |
| MX | alt1.aspmx.l.google.com |
| MX | alt4.aspmx.l.google.com |
| MX | aspmx.l.google.com |
| TXT | v=spf1 a mx include:sendgrid.net ~all |
| TXT | google-site-verification=rbxq_e50iZDxSnFhOnlH65dEGftX8Ui4rb70fylTb7k |
| TXT | google-site-verification=FKGA_AfeFBRdeYLso-10-770DksNfjkh2ldlmXjIW6U |
| TXT | MS=ms25610440 |
| NS | ns4-04.azure-dns.info |
| NS | ns1-04.azure-dns.com |
| NS | ns2-04.azure-dns.net |
| NS | ns3-04.azure-dns.org |
⭐ Community Rating
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