schoolofdata.org
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Hosting Provider
cloudflare.comIP Address
172.67.143.9
Site Location
🇨🇦 Canadavia ip
Server Location
🇨🇦 Toronto, Canada
ASN
AS13335
Organization
Cloudflare, Inc.
Server
Cloudflare
CDN
Cloudflare
WAF
Cloudflare
Nameservers
Performance
Core Web Vitals
Weight
Image Optimization
Architecture Stack
Technology Stack
17 Technologies Detected
Plugins
10Libraries
1UI Components
1CSS Frameworks
1Icon Libraries
1Email Marketing
1Payments
1CDN
1SEO Analysis
School of Data – Digital Literacies for The Tech We Want
A new era is dawning for School of Data – after 13 years of pioneering data learning, we are preparing to bridge the digital literacy gap using tools and met...
Recommended: 50-60 chars (~339px / 580px)
Recommended: 120-160 chars
Issues (1)
- • Most images missing alt text (28/33) — critical for accessibility and SEO
7 issues found
Upgrade to view detailsCrawlability
Type: index
14 URLs
14 sub-sitemaps
5 rules
Sitemap reference found
Local 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
Carbon Footprint
SWDM v4 · Eco-Score
- •Carbon footprint recommendation preview...
Security Score
HTTPS
WAF
47d
Certificate Details
Type
Domain Validated (DV)
Certificate Authority
Google Trust Services
Key Algorithm
ECDSA (secp256r1) (256 bit)
Signature
ECDSA with SHA-256
TLS Version
TLSv1.3
HTTP Protocol
HTTP/2+H3
Valid From
10.04.2026
Valid Until
09.07.2026
OCSP Stapling
Enabled
Subject Alternative Names (2)
SHA-256 Fingerprint
50:B7:95:D6:EA:40:1F:94:79:F6:F3:23:4E:F9:44:5E:A6:C1:C4:C8...
Top Recommendations
Security recommendation preview
HTTP Headers
Developer Console
Email Infrastructure
Fastmail
Score
45
MX Records (2)
Domain Information
schoolofdata.org
Created
09.02.2012
Expires
09.02.2027
Last Updated
16.12.2025
Registrar
Gandi SAS
Privacy & Compliance
GDPR Indicators
Mobile Compatibility
Viewport & Responsive Test
width=device-width, initial-scale=1- •Mobile compatibility recommendation preview...
Typography & Readability
DM Sans
17px · LH 1.65
3.94x ratio
1:1 min contrast
1 font · 7 req
Heading Font
DM Sans
Body Font
DM Sans
Contrast Ratio
1:1
10 issuesReading Comfort
~36 CPL
Narrow lines✅ Excellent readability: 17px body text is ideal for all devices.
❌ Very complex text: Flesch score 15/100. Consider shorter sentences and simpler words.
⚠️ Partial contrast: 10 elements below WCAG AA threshold (min 1.0:1).
❌ Broken heading hierarchy: 2 level skip(s). Screen readers rely on sequential headings (h1→h2→h3).
✅ Strong hierarchy: Headlines are 3.9x larger than body text.
✅ Modern fluid typography: clamp() with rem units ensures zoom accessibility (WCAG 1.4.4).
Color Palette
8 unique colorsBusiness & Marketing Stack
1 Tools Detected
1
Categories
1
Total Tools
0
Enterprise
0
Mid-Market
Assessment: Growing marketing technology adoption
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Scripts & Styles
29 Resources
Top Script Sources
Website Identity

School of Data
Let's bridge the digital literacy gap together
Social Profiles
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Historical Analysis & Change Tracking