readabilityformulas.com
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Hosting Provider
hostgator.comIP Address
192.185.48.159
Site Location
🇺🇸 United Statesvia ip
Server Location
🇺🇸 Ashburn, United States
ASN
AS19871
Organization
HostGator.com LLC
Server
Apache
Nameservers
Performance
Core Web Vitals
Weight
Architecture Stack
Technology Stack
12 Technologies Detected
Advertising
4Libraries
1CSS Frameworks
1Icon Libraries
1Fonts
1Email Marketing
1Payments
1Social
1Web Servers
1SEO Analysis
Readability Formulas | Free readability assessment tools
ReadabilityFormulas.com is a free website to automatically calculate the reading level and grade level of your materials. We also offer advice on how to impr...
Recommended: 50-60 chars (~333px / 580px)
Recommended: 120-160 chars
Issues (0)
14 issues found
Upgrade to view detailsCrawlability
Type: index
4 URLs
4 sub-sitemaps
6 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
35d
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
27.03.2026
Valid Until
25.06.2026
Subject Alternative Names (7)
SHA-256 Fingerprint
A0:58:A0:C9:C3:79:C3:72:B4:74:49:ED:ED:B6:4E:65:40:55:A1:77...
Top Recommendations
Security recommendation preview
HTTP Headers
Developer Console
Email Infrastructure
Custom Mail Server
Score
45
MX Records (1)
Domain Information
readabilityformulas.com
Created
03.02.2003
Expires
03.02.2027
Last Updated
04.02.2026
Registrar
GoDaddy.com, LLC
Privacy & Compliance
Quantcast Choice
GDPR Indicators
Mobile Compatibility
Viewport & Responsive Test
width=device-width, initial-scale=1.0- •Mobile compatibility recommendation preview...
Typography & Readability
Open Sans
12px · LH 1.33
1.5x ratio · ✓ H1→H6
2.89:1 min contrast
1 font · 2 req
Heading Font
Open Sans
Body Font
Open Sans
Contrast Ratio
2.89:1
48 issuesReading Comfort
~39 CPL
Narrow lines❌ Critical: 12px body text is too small. Minimum 14px, recommend 16px+.
⚠️ Tight line spacing (1.33). Increase to 1.4–1.6 for better readability.
⚠️ Hard to read: Flesch score 38/100. Simplify sentences for wider reach.
⚠️ Partial contrast: 48 elements below WCAG AA threshold (min 2.9:1).
✅ Perfect heading hierarchy: Sequential h1→h2→h3 with single H1 — ideal for SEO & accessibility.
❌ Pure vw font sizes: Viewport units alone break browser zoom (WCAG 1.4.4 fail). Use clamp(rem, vw, rem).
Color Palette
8 unique colorsBusiness & Marketing Stack
3 Tools Detected
3
Categories
3
Total Tools
1
Enterprise
0
Mid-Market
Assessment: Sophisticated marketing and sales technology infrastructure
Ad Networks
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Scripts & Styles
10 Resources
Top Script Sources
Website Identity
readabilityformulas.com
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Historical Analysis & Change Tracking