acbl.org
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Hosting Provider
pressable.comIP Address
199.16.172.90
Site Location
🇺🇸 United Statesvia ip
Server Location
🇺🇸 San Francisco, United States
ASN
AS2635
Organization
Pressable
Server
Nginx
Nameservers
Performance
Core Web Vitals
Weight
Image Optimization
Architecture Stack
Technology Stack
41 Technologies Detected
Plugins
27Libraries
3CSS Frameworks
3UI Components
1Icon Libraries
1Fonts
1Web Servers
1SEO Analysis
American Contract Bridge League • Dealing Infinite Possibilities
Founded in 1937, ACBL is the largest bridge organization in North America, serving 165,000+ members, and sanctioning more than 3.5 millions tables of bridge ...
Recommended: 50-60 chars (~373px / 580px)
Recommended: 120-160 chars
Issues (1)
- • Very thin content (8 words). Search engines need substantial content for ranking.
7 issues found
Upgrade to view detailsCrawlability
Type: index
11 URLs
11 sub-sitemaps
3 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
- •Accessibility recommendation preview...
Carbon Footprint
SWDM v4 · Eco-Score
- •Carbon footprint recommendation preview...
Security Score
HTTPS
No WAF
56d
Certificate Details
Type
Domain Validated (DV)
Certificate Authority
Let's Encrypt
Key Algorithm
ECDSA (secp256r1) (256 bit)
Signature
ECDSA with SHA-384
TLS Version
TLSv1.3
HTTP Protocol
HTTP/2+H3
Valid From
30.03.2026
Valid Until
28.06.2026
Subject Alternative Names (20)
SHA-256 Fingerprint
CA:D6:30:D6:1D:D9:B9:CE:88:45:14:46:AB:75:04:D0:C7:46:D1:DF...
Top Recommendations
Security recommendation preview
HTTP Headers
Developer Console
Email Infrastructure
Barracuda
Score
95
DMARC Policy
Reject (Strictest)
MX Records (2)
Domain Information
acbl.org
Created
20.02.1995
Expires
21.02.2027
Last Updated
22.01.2026
Registrar
Gandi SAS
Privacy & Compliance
GDPR Indicators
Mobile Compatibility
Viewport & Responsive Test
width=device-width, initial-scale=1- •Mobile compatibility recommendation preview...
Typography & Readability
Open Sans + Helvetica
16px · LH 1.50
1.25x ratio
1:1 min contrast
3 fonts · 9 req
Heading Font
Open Sans
Body Font
Helvetica
Contrast Ratio
1:1
24 issuesReading Comfort
~46 CPL
Optimal (45–75)✅ Excellent readability: 16px body text is ideal for all devices.
✅ Optimal line spacing: 1.50 ratio (ideal range 1.4–1.6).
✅ Optimal line length: ~46 chars/line (ideal 45–75 CPL).
⚠️ Partial contrast: 24 elements below WCAG AA threshold (min 1.0:1).
❌ Missing H1: Every page should have exactly one H1 element for SEO and accessibility.
⚠️ Weak hierarchy: Headlines should be ≥2x body size for clear visual structure.
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
30 Resources
Top Script Sources
Website Identity

American Contract Bridge League
Founded in 1937, ACBL is the largest bridge organization in North America, serving 165,000+ members, and sanctioning more than 3.5 millions tables of bridge annually through club, tournament and online play.
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Historical Analysis & Change Tracking