Optimize Images to WebP Format

How to optimize vrlearninglab.nl

WordPress SiteScore: 54/100Analyzed March 2026Re-analyze this site

Optimize Images to WebP Format

High Impact+18 points estimated

Why It Matters

Large PNG images are consuming 2.5MB and delaying LCP by 550ms, accounting for most of your page weight.

How to Fix

Install ShortPixel or Imagify WordPress plugin to automatically convert images to WebP format. Enable responsive images in your theme settings. Add explicit width/height attributes to prevent layout shifts during image loading.

0Needs Improvement

What This Score Means

A score of 54 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

21.2s
Poor

Good: < 2.5s

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

INP

Interaction to Next Paint

249ms
Needs Improvement

Good: < 200ms

Measures how quickly the page responds to user interactions

CLS

Cumulative Layout Shift

0.08
Good

Good: < 0.1

Measures visual stability - how much content shifts during page load

AI Performance Analysis

This WordPress site has poor performance with a score of 54/100, primarily due to an extremely slow Largest Contentful Paint of 21.2 seconds. The biggest culprit is a 3.6MB video file that lacks proper caching and takes forever to load, combined with oversized PNG images that could be 2.5MB smaller if converted to modern formats like WebP. The site is also weighed down by 265KB of unused JavaScript from Google Tag Manager and Facebook tracking scripts, plus 111KB of unused CSS that's unnecessarily slowing down the initial page load. Fixing the video caching, optimizing images to modern formats, and removing unused code could easily improve the performance score by 30+ points and dramatically enhance user experience.

Other Optimization Recommendations

Implement Aggressive Browser Caching

High Impact+15 points estimated

Why It Matters:

Resources totaling 4.5MB have no cache headers, forcing users to re-download everything on repeat visits.

How to Fix:

Install WP Rocket or W3 Total Cache plugin. Set cache expiry to 1 year for static assets (images, CSS, JS). Configure your CDN or hosting provider to add proper cache-control headers for video files and fonts.

Reduce Forced Layout Reflows

Medium Impact+8 points estimated

Why It Matters:

JavaScript is causing 188ms of forced reflows, blocking the main thread and increasing Total Blocking Time.

How to Fix:

Defer jQuery and Elementor JavaScript to load after critical content. Use WP Asset CleanUp to remove unused scripts from non-essential pages. Move DOM queries outside of animation loops in custom JavaScript.

Keep Your Site Fast After Optimization

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