How I Took a WordPress Site from PageSpeed 38 to 94 in 48 Hours

When a client sends over their site and the PageSpeed score reads 38, most people panic. I don't — because I've seen it before, and I know exactly what to fix.

Here's the honest truth: most WordPress speed problems come from the same handful of issues. Images that are too large, too many plugins doing redundant work, no caching, and a host that was chosen based on price alone.

Step 1: Audit First, Fix Second

Before touching anything, I run the site through PageSpeed Insights and GTmetrix. I look at the waterfall chart to understand what's loading, in what order, and what's blocking the render.

Most of the time, the biggest wins are obvious within five minutes of looking at the results.

Step 2: Image Optimization

This alone can account for 20–30 points on the PageSpeed score. I convert all images to WebP, set proper dimensions, and enable lazy loading for everything below the fold.

I use ShortPixel or Imagify for bulk conversion. If the site is on LiteSpeed, QUIC.cloud handles it automatically.

Step 3: Caching

A proper caching layer is non-negotiable. On LiteSpeed servers, LiteSpeed Cache is the best option by a wide margin. On other hosts, WP Rocket is worth every dollar.

Enable page caching, browser caching, object caching, and CSS/JS minification. Then clear everything and test again.

Step 4: Database Cleanup

WooCommerce and page builders leave thousands of orphaned rows over time. I use WP-Optimize to clean post revisions, transients, and spam comments before every performance audit.

The Result

Following this process — in this order — consistently gets sites from the 30s and 40s into the 80s and 90s. The client in this case went from 38 to 94 in under 48 hours, without a single page redesign.

Speed optimization isn't magic. It's a checklist, applied methodically.