kronosquartet.org
Sponsored
Hosting Provider
IP Address
151.101.194.159
Site Location
🇨🇦 Canadavia ip
Server Location
🇨🇦 Montreal, Canada
ASN
AS54113
Organization
Fastly, Inc.
Server
Flywheel/5.1.0
CDN
Fastly
Nameservers
Performance
Core Web Vitals
Weight
Image Optimization
Architecture Stack
Technology Stack
23 Technologies Detected
Plugins
13Libraries
2Analytics
2Other
1CSS Frameworks
1Icon Libraries
1Fonts
1Payments
1Platforms
1SEO Analysis
Kronos Quartet - Kronos Performing Arts Association
Official website of the San Francisco-based Kronos Quartet and its not-for-profit organization the Kronos Performing Arts Association
Recommended: 50-60 chars (~315px / 580px)
Recommended: 120-160 chars
Issues (1)
- • Missing H1 tag — every page should have exactly one H1
9 issues found
Upgrade to view detailsCrawlability
Type: index
3 URLs
3 sub-sitemaps
5 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.
Sponsored
AI & LLM Readiness
AI Bot Access
14/14 accessibleMachine Readability
Structured Data
5 JSON-LDCitation Readiness
Sponsored
Accessibility
WCAG 2.1 Compliance
- •Accessibility recommendation preview...
Carbon Footprint
SWDM v4 · Eco-Score
- •Carbon footprint recommendation preview...
Security Score
HTTPS
No WAF
37d
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
20.03.2026
Valid Until
18.06.2026
Subject Alternative Names (2)
SHA-256 Fingerprint
4B:C1:66:D5:20:1E:C4:B9:80:81:88:7B:F1:1D:8F:45:00:E3:9A:05...
Top Recommendations
Security recommendation preview
HTTP Headers
Developer Console
Email Infrastructure
Google Workspace
Score
45
MX Records (5)
+1 more
Domain Information
kronosquartet.org
Created
01.07.1998
Expires
30.06.2026
Last Updated
14.08.2025
Registrar
GoDaddy.com, LLC
Privacy & Compliance
CookieYes
GDPR Indicators
Mobile Compatibility
Viewport & Responsive Test
width=device-width, initial-scale=1- •Mobile compatibility recommendation preview...
Typography & Readability
Onest + Inter
16px · LH 1.60
1:1 min contrast
2 fonts · 6 req
Heading Font
Onest
Body Font
Inter
Contrast Ratio
1:1
29 issuesReading Comfort
~41 CPL
Narrow lines✅ Excellent readability: 16px body text is ideal for all devices.
✅ Optimal line spacing: 1.60 ratio (ideal range 1.4–1.6).
❌ Very complex text: Flesch score 5/100. Consider shorter sentences and simpler words.
⚠️ 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.
✅ Modern fluid typography: clamp() with rem units ensures zoom accessibility (WCAG 1.4.4).
Color Palette
5 unique colorsBusiness & Marketing Stack
2 Tools Detected
2
Categories
2
Total Tools
0
Enterprise
0
Mid-Market
Assessment: Growing marketing technology adoption
Sponsored
Scripts & Styles
30 Resources
Top Script Sources
Website Identity

Kronos Quartet
Official website of the San Francisco-based Kronos Quartet and its not-for-profit organization the Kronos Performing Arts Association
Sponsored
Historical Analysis & Change Tracking