robben-island.org.za
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Hosting Provider
IP Address
197.221.0.242
Site Location
🇿🇦 South Africavia phone
Server Location
🇿🇦 Cape Town, South Africa
ASN
AS37153
Server
Apache
Nameservers
Performance
Core Web Vitals
Weight
Image Optimization
Architecture Stack
Technology Stack
32 Technologies Detected
Plugins
15UI Components
3CSS Frameworks
3Analytics
2Other
1Icon Libraries
1Fonts
1Tag Managers
1Web Servers
1Customer Support
1Security
1SEO Analysis
Home - Robben Island Museum
Date of Inscription: 1999World Heritage Site Robben Island has been used to isolate certain people since the end of the 17th century … Learn More...
Recommended: 50-60 chars (~171px / 580px)
Recommended: 120-160 chars
Issues (2)
- • Missing H1 tag — every page should have exactly one H1
- • Most images missing alt text (14/14) — critical for accessibility and SEO
9 issues found
Upgrade to view detailsLocal SEO
Local Search Readiness
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AI & LLM Readiness
AI Bot Access
14/14 accessibleMachine Readability
Structured Data
4 JSON-LDCitation 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
69d
Certificate Details
Type
Domain Validated (DV)
Certificate Authority
Let's Encrypt
Key Algorithm
RSA (2048 bit)
Signature
SHA-256 with RSA
TLS Version
TLSv1.3
HTTP Protocol
HTTP/2
Valid From
15.04.2026
Valid Until
14.07.2026
Subject Alternative Names (2)
SHA-256 Fingerprint
13:FA:D8:5B:55:47:85:C3:18:90:08:5B:B3:D3:5F:57:AE:AE:9B:73...
Top Recommendations
Security recommendation preview
HTTP Headers
Developer Console
Email Infrastructure
Microsoft 365
Score
70
DMARC Policy
None (Monitor Only)
MX Records (1)
Domain Information
robben-island.org.za
Privacy & Compliance
Complianz
GDPR Indicators
Mobile Compatibility
Viewport & Responsive Test
width=device-width, initial-scale=1- •Mobile compatibility recommendation preview...
Typography & Readability
Barlow
16px · LH 1.90
2.25:1 min contrast
1 font · 11 req
Heading Font
Barlow
Body Font
Barlow
Contrast Ratio
2.25:1
6 issuesReading Comfort
~37 CPL
Narrow lines✅ Excellent readability: 16px body text is ideal for all devices.
⚠️ Wide line spacing (1.90). 1.4–1.6 is optimal for body text.
⚠️ Hard to read: Flesch score 46/100. Simplify sentences for wider reach.
⚠️ Partial contrast: 6 elements below WCAG AA threshold (min 2.2:1).
❌ Missing H1: Every page should have exactly one H1 element for SEO and accessibility.
✅ Modern fluid typography: clamp() with rem units ensures zoom accessibility (WCAG 1.4.4).
Color Palette
6 unique colorsBusiness & Marketing Stack
4 Tools Detected
3
Categories
4
Total Tools
0
Enterprise
0
Mid-Market
Assessment: Well-developed marketing technology stack
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Scripts & Styles
30 Resources
Top Script Sources
Website Identity
Home - Robben Island Museum
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Historical Analysis & Change Tracking