wikisky.org
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Performance
Core Web Vitals
Weight
Architecture Stack
Technology Stack
4 Technologies Detected
SEO Analysis
WIKISKY.ORG - Interactive Sky Map
Interactive online sky map
Recommended: 50-60 chars (~204px / 580px)
Recommended: 120-160 chars
Issues (3)
- • Missing H1 tag — every page should have exactly one H1
- • Most images missing alt text (165/166) — critical for accessibility and SEO
- • Missing viewport meta tag — page may not be mobile-friendly (Google uses mobile-first indexing)
16 issues found
Upgrade to view detailsCrawlability
4 rules
Local SEO
Local Search Readiness
This site doesn't appear to be a local business. Local SEO signals are optional for non-local websites.
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AI & LLM Readiness
AI Bot Access
14/14 accessibleMachine Readability
Structured Data
No SchemaCitation Readiness
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Accessibility
WCAG 2.1 Compliance
- •Accessibility recommendation preview...
Carbon Footprint
SWDM v4 · Eco-Score
- •Carbon footprint recommendation preview...
Security Score
HTTPS
No WAF
32d
Certificate Details
Type
Domain Validated (DV)
Certificate Authority
Let's Encrypt
Key Algorithm
RSA (4096 bit)
Signature
SHA-256 with RSA
TLS Version
TLSv1.3
HTTP Protocol
HTTP/2
Valid From
24.03.2026
Valid Until
22.06.2026
Subject Alternative Names (14)
SHA-256 Fingerprint
BC:53:1A:70:D3:37:77:23:FE:16:F6:14:F8:6A:0B:03:6F:C4:70:5F...
Top Recommendations
Security recommendation preview
HTTP Headers
Developer Console
Email Infrastructure
Custom Mail Server
Score
65
DMARC Policy
None (Monitor Only)
MX Records (2)
Domain Information
wikisky.org
Created
10.05.2006
Expires
10.05.2027
Last Updated
10.05.2026
Registrar
IONOS SE
Privacy & Compliance
GDPR Indicators
Mobile Compatibility
Viewport & Responsive Test
- •Mobile compatibility recommendation preview...
Typography & Readability
System Default + sans-serif
16px · LH --
1:1 min contrast
0 fonts
Heading Font
System Default
Body Font
sans-serif
Contrast Ratio
1:1
50 issuesReading Comfort
Mixed Pairing
left aligned✅ Excellent readability: 16px body text is ideal for all devices.
❌ Very complex text: Flesch score 10/100. Consider shorter sentences and simpler words.
❌ Low contrast: 50 elements fail WCAG AA (min 1.0:1). Increase text/background contrast.
✅ Lean font stack: 0 font families keeps load times fast.
⚠️ Missing font-display: swap — users may see invisible text while fonts load (FOIT).
Color Palette
9 unique colorsBusiness & Marketing Stack
2 Tools Detected
2
Categories
2
Total Tools
0
Enterprise
0
Mid-Market
Assessment: Growing marketing technology adoption
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Scripts & Styles
10 Resources
Top Script Sources
Website Identity
wikisky.org
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Historical Analysis & Change Tracking