Reduce JavaScript Bundle Size

How to optimize de.treated.com

WordPress SiteScore: 64/100Analyzed March 2026Re-analyze this site

Reduce JavaScript Bundle Size

High Impact+20 points estimated

Why It Matters

Main thread is blocked for 2.4 seconds by script evaluation, preventing user interactions and delaying Time to Interactive.

How to Fix

Remove unused JavaScript (249 KiB detected) using Asset CleanUp Pro plugin. Minify remaining JavaScript files to save 16 KiB. Defer non-critical scripts like Google Tag Manager and cookie consent until after page load using wp_enqueue_script with defer attribute.

0Needs Improvement

What This Score Means

A score of 64 falls in the "Needs Improvement" range (50-89). While it is better than poor (0-49), you should aim for 90+ to provide an optimal user experience and maximize SEO benefits.

This site is slower than approximately 35% of similar sites. The main issues affecting performance are image optimization, JavaScript execution time, and layout stability.

Addressing these issues could improve your conversion rate by 15-20% and boost your search engine rankings.

Core Web Vitals Analysis

LCP

Largest Contentful Paint

9.3s
Poor

Good: < 2.5s

Measures how long it takes for the main content to appear on screen

INP

Interaction to Next Paint

223ms
Needs Improvement

Good: < 200ms

Measures how quickly the page responds to user interactions

CLS

Cumulative Layout Shift

0.00
Good

Good: < 0.1

Measures visual stability - how much content shifts during page load

AI Performance Analysis

This WordPress site has significant performance issues with a score of 64/100. The biggest problem is an extremely slow Largest Contentful Paint of 9.3 seconds, which means visitors wait far too long to see meaningful content. The main culprit is excessive JavaScript processing that blocks the main thread for 2.4 seconds, primarily from unminified scripts and unused code that totals 249 KB of wasted downloads. Additionally, poor caching strategies are forcing repeat downloads of resources that should be stored locally. Minifying JavaScript, removing unused code, and implementing proper caching could dramatically improve loading speeds and boost your performance score by 30+ points.

Other Optimization Recommendations

Fix Critical LCP Performance Issue

High Impact+25 points estimated

Why It Matters:

LCP takes 9.3 seconds, which is severely impacting user experience and Core Web Vitals scores.

How to Fix:

Optimize the largest contentful paint element by compressing hero images and implementing proper lazy loading. Use WordPress plugins like WP Rocket to enable critical CSS inlining. Preload the LCP image using <link rel='preload'> in your theme's header.php.

Eliminate Forced Reflow Issues

Medium Impact+8 points estimated

Why It Matters:

JavaScript is causing 68ms of forced reflows by querying geometric properties after DOM changes, degrading rendering performance.

How to Fix:

Review custom WordPress theme JavaScript for DOM queries after style changes. Batch DOM reads and writes separately. Use WordPress's jQuery properly by avoiding synchronous layout calculations in loops or event handlers.

Keep Your Site Fast After Optimization

Once your site is optimized, maintain that speed. Use DeployHQ for zero-downtime, automated deployments—so performance fixes and updates go live safely every time, without breaking your site.

Explore DeployHQ →Trusted by engineering teams shipping high-performance sites

Want to Analyze YOUR Website?

Get AI-powered performance insights with actionable fixes in 30 seconds

More WordPress Speed Tests

WordPress Performance Resources

Frequently Asked Questions