What is Domain Health Check?
A Domain Health Check is a comprehensive diagnostic tool that analyzes multiple aspects of your website's infrastructure and performance. It's like a full medical checkup for your website.
Why Regular Health Checks Matter
Just like regular health checkups can catch problems early, website health checks help you:
Identify issues before they impact users
Maintain optimal performance
Ensure security compliance
Prevent downtime and revenue lossKey Areas We Analyze
1. DNS Configuration
Your DNS settings are the foundation of your web presence. We check:
A/AAAA Records: Proper IP address configuration
MX Records: Email routing setup
TXT Records: SPF, DKIM, DMARC for email security
CAA Records: Certificate authority authorization2. SSL/TLS Security
Security is non-negotiable in 2026. Our check includes:
Certificate validity and expiration
Protocol version (TLS 1.2/1.3)
Certificate chain verification
HSTS implementation3. Core Web Vitals
Performance metrics that matter for SEO and UX:
LCP (Largest Contentful Paint): Loading performance
INP (Interaction to Next Paint): Interactivity
CLS (Cumulative Layout Shift): Visual stability4. HTTP Response Analysis
We examine your server responses:
Status codes (200, 301, 404, etc.)
Response times
Compression (gzip/brotli)
Caching headersHow to Use Our Tool
Enter your domain in the input field
Click "Analyze" and wait for results
Review the comprehensive report
Follow our recommendations to fix issuesCommon Issues We Find
Slow DNS Resolution
Consider using a faster DNS provider
Implement DNS prefetchingExpired or Misconfigured SSL
Set up automatic certificate renewal
Use Let's Encrypt for free certificatesPoor Core Web Vitals
Optimize images and fonts
Reduce JavaScript bundle size
Implement lazy loadingStart your free health check with our Domain Health Check tool today.
