How to Configure LiteSpeed Cache Plugin for WordPress

LiteSpeed Cache is the most powerful WordPress caching plugin — it works at the web server level delivering performance that no other WordPress plugin can match.

Installation

WordPress Admin → Plugins → Add New → "LiteSpeed Cache" → Install → Activate

Cache Settings

LiteSpeed Cache → Cache:
✅ Enable Cache: ON
✅ Cache Logged-in Users: OFF
✅ Cache PHP Resources: ON
✅ Cache Mobile: ON (separate cache for mobile)
✅ Private Cache TTL: 1800
✅ Public Cache TTL: 604800 (7 days)

Page Optimization

LiteSpeed Cache → Page Optimization:
CSS Settings:
✅ CSS Minify: ON
✅ CSS Combine: ON
✅ CSS Combine External: ON
✅ Critical CSS: ON (async load non-critical CSS)

JS Settings:
✅ JS Minify: ON
✅ JS Combine: ON
✅ JS Defer: ON
✅ JS Delayed Inline JS: ON

HTML Settings:
✅ HTML Minify: ON
✅ Remove Query Strings: ON
✅ DNS Prefetch: ON

Image Optimization

LiteSpeed Cache → Image Optimization:
✅ WebP Replacement: ON (auto-convert to WebP)
✅ Auto Request Cron: ON
✅ Lazy Load Images: ON
✅ Generate WebP in Background: ON

CDN Integration

LiteSpeed Cache → CDN:
# If using Cloudflare:
✅ Use CDN: ON
CDN URL: https://cdn.yourdomain.com (or Cloudflare URL)

Database Optimization

LiteSpeed Cache → DB Optimizer:
✅ Auto-clean post revisions (keep 3)
✅ Auto-clean auto drafts
✅ Auto-clean spam comments
✅ Schedule: Weekly

Verify Cache is Working

curl -I https://yourdomain.com/
# Look for: X-LiteSpeed-Cache: hit
# means page served from cache

Conclusion

LiteSpeed Cache configured correctly can score 95+ on Google PageSpeed. Our team configures LiteSpeed Cache for WordPress sites of all sizes.