Why Is My Health Score Low?

Common reasons for a low health score and how to fix them.

Why Is My Health Score Low?

Your health score is a weighted combination of uptime (40%), performance (30%), security (15%), and SEO (15%). Here are the most common causes and fixes.

1. Poor Performance Scores (Most Common)

Symptoms: Score below 70, slow LCP or high CLS Fix:

• Optimise images: compress and convert to WebP/AVIF
• Remove unused JavaScript and CSS
• Enable browser caching and compression (gzip/brotli)
• Use a CDN for static assets
• See Core Web Vitals Explained for detailed guidance

2. Missing Security Headers

Symptoms: Security grade C or below Fix:

• Add Strict-Transport-Security, Content-Security-Policy, X-Frame-Options headers
• See Security Headers Explained for server-specific instructions

3. SSL Issues

Symptoms: Certificate warnings, mixed content Fix:

• Renew expired certificates
• Fix mixed content (HTTP resources on HTTPS pages)
• Ensure proper certificate chain

4. SEO Problems

Symptoms: Missing meta tags, broken links, indexation issues Fix:

• Add title and meta description to all pages
• Fix broken links (404s)
• Submit an updated sitemap to search engines

5. Intermittent Downtime

Symptoms: Uptime below 99.5%, occasional timeouts Fix:

• Check server logs for errors
• Review hosting capacity (upgrade if needed)
• Investigate third-party service dependencies

Still Low?

If your score is low after addressing these, click the "FIX FIRST" badges on your site's detail page — they show the highest-impact issues specific to your site.