onion.io
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Hosting Provider
aws.amazon.comIP Address
13.33.235.50
Site Location
🇺🇸 United Statesvia ip
Server Location
🇺🇸 New York, United States
ASN
AS16509
Organization
AWS CloudFront (GLOBAL)
Server
Apache
CDN
CloudFront
Nameservers
Performance
Core Web Vitals
Weight
Image Optimization
Architecture Stack
Technology Stack
25 Technologies Detected
Plugins
9Icon Libraries
3UI Components
2CSS Frameworks
2Libraries
1Fonts
1Tag Managers
1Web Servers
1Languages
1SEO Analysis
Onion – Compute Platform for IoT
No description available for this page.
Recommended: 50-60 chars (~200px / 580px)
Recommended: 120-160 chars
Issues (3)
- • Missing meta description — important for click-through rates in SERPs
- • Missing H1 tag — every page should have exactly one H1
- • Most images missing alt text (12/15) — critical for accessibility and SEO
11 issues found
Upgrade to view detailsCrawlability
3 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
159d
Certificate Details
Type
Domain Validated (DV)
Certificate Authority
Amazon
Key Algorithm
RSA (2048 bit)
Signature
SHA-256 with RSA
TLS Version
TLSv1.3
HTTP Protocol
HTTP/2
Valid From
03.10.2025
Valid Until
30.10.2026
OCSP Stapling
Enabled
Subject Alternative Names (4)
SHA-256 Fingerprint
86:EA:9D:74:CA:76:94:EA:1E:66:34:9E:94:C6:BB:6D:4F:12:E3:B7...
Recommendations
Security recommendation preview
HTTP Headers
Developer Console
Email Infrastructure
Google Workspace
Score
20
MX Records (5)
+1 more
Domain Information
onion.io
Created
27.09.2013
Expires
27.09.2026
Last Updated
29.04.2026
Registrar
Amazon Registrar, Inc.
Privacy & Compliance
Cookiebot
GDPR Indicators
Mobile Compatibility
Viewport & Responsive Test
width=device-width, initial-scale=1- •Mobile compatibility recommendation preview...
Typography & Readability
Open Sans + Nunito Sans
26px · LH 1.60
1:1 min contrast
3 fonts · 5 req
Heading Font
Open Sans
Body Font
Nunito Sans
Contrast Ratio
1:1
29 issuesReading Comfort
~39 CPL
Narrow lines✅ Excellent readability: 26px body text is ideal for all devices.
✅ Optimal line spacing: 1.60 ratio (ideal range 1.4–1.6).
⚠️ Hard to read: Flesch score 36/100. Simplify sentences for wider reach.
⚠️ Partial contrast: 29 elements below WCAG AA threshold (min 1.0:1).
❌ Missing H1: Every page should have exactly one H1 element for SEO and accessibility.
⚠️ Missing font-display: swap — users may see invisible text while fonts load (FOIT).
Color Palette
8 unique colorsBusiness & Marketing Stack
3 Tools Detected
2
Categories
3
Total Tools
0
Enterprise
1
Mid-Market
Assessment: Well-developed marketing technology stack
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Scripts & Styles
30 Resources
Top Script Sources
Website Identity
onion.io
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Historical Analysis & Change Tracking