esl-languages.com
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Hosting Provider
cloudflare.comIP Address
172.64.155.133
Site Location
🇨🇭 Switzerlandvia phone
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
6 Technologies Detected
Analytics
2Frameworks
1CSS Frameworks
1Tag Managers
1CDN
1SEO Analysis
ESL Language Studies Abroad | Language courses worldwide
Live a unique experience abroad with ESL! Choose between 20 languages & 200 destinations for your language course abroad. ESL helps you with everything, free...
Recommended: 50-60 chars (~344px / 580px)
Recommended: 120-160 chars
Issues (0)
7 issues found
Upgrade to view detailsCrawlability
Type: standard
811 URLs
57 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
2 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
WAF
61d
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
Valid From
21.04.2026
Valid Until
20.07.2026
OCSP Stapling
Enabled
Subject Alternative Names (2)
SHA-256 Fingerprint
8D:4A:D2:78:98:ED:98:B0:D5:1B:A4:08:78:49:0F:B4:80:D6:96:2D...
Recommendations
Security recommendation preview
HTTP Headers
Developer Console
Email Infrastructure
Custom Mail Server
Score
55
DMARC Policy
Reject (Strictest)
Domain Information
esl-languages.com
Created
19.10.2005
Expires
19.10.2026
Last Updated
14.05.2026
Registrar
Amazon Registrar, Inc.
Privacy & Compliance
Civic Cookie Control
GDPR Indicators
Mobile Compatibility
Viewport & Responsive Test
width=device-width, initial-scale=1.0- •Mobile compatibility recommendation preview...
Typography & Readability
Open Sans
14px · LH 1.50
2.57x ratio · ✓ H1→H6
1.03:1 min contrast
1 font · 5 req
Heading Font
Open Sans
Body Font
Open Sans
Contrast Ratio
1.03:1
18 issuesReading Comfort
~42 CPL
Narrow lines⚠️ Small text: 14px may strain on mobile. Use ≥16px for WCAG compliance.
✅ Optimal line spacing: 1.50 ratio (ideal range 1.4–1.6).
❌ Very complex text: Flesch score 16/100. Consider shorter sentences and simpler words.
⚠️ Partial contrast: 18 elements below WCAG AA threshold (min 1.0:1).
✅ Perfect heading hierarchy: Sequential h1→h2→h3 with single H1 — ideal for SEO & accessibility.
✅ Strong hierarchy: Headlines are 2.6x larger than body text.
Color Palette
8 unique colorsBusiness & Marketing Stack
2 Tools Detected
1
Categories
2
Total Tools
0
Enterprise
0
Mid-Market
Assessment: Growing marketing technology adoption
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Scripts & Styles
22 Resources
Top Script Sources
Website Identity
Language courses abroad in over 200 destinations | ESL
Language courses in more than 200 superb destinations around the world. Enjoy ESL’s award-winning service and learn a language in full immersion.
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Historical Analysis & Change Tracking