LCP
Largest Contentful Paint
10.2s
Poor
Good: < 2.5s
Measures how long it takes for the main content to appear on screen
Optimize and Resize Images
How to optimize kerstpakketten.nl
Optimize and Resize Images
High Impact+25 points estimated
Why It Matters
Images waste 539 KiB and delay LCP by 3.05 seconds due to oversized files and poor compression.
How to Fix
Install ShortPixel or Imagify to compress the 35-jaar.png (convert to WebP, reduce by 71KB). Implement responsive images using WordPress srcset for theme images. Add explicit width/height attributes to prevent layout shifts.
0Poor
What This Score Means
A score of 46 falls in the "Poor" 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
INP
Interaction to Next Paint
237ms
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 poor performance with a score of 46/100. The biggest problem is excessive unused JavaScript, particularly from ReCAPTCHA and other third-party scripts, which is wasting 690 KiB of data and causing a painfully slow Largest Contentful Paint of 10.2 seconds. The site is also suffering from render-blocking resources that delay initial page rendering by 680ms and poorly optimized images that could save another 539 KiB. Removing or deferring unused JavaScript, optimizing image delivery with modern formats and proper sizing, and addressing the render-blocking scripts could potentially improve the performance score by 30+ points and dramatically reduce load times from the current 17-second interactivity delay.
Other Optimization Recommendations
Remove Unused JavaScript Code
High Impact+20 points estimatedWhy It Matters:
690 KiB of unused JavaScript blocks rendering for 1.05 seconds, severely impacting LCP and FCP.
How to Fix:
Defer reCAPTCHA loading until user interaction using wp_enqueue_script with 'defer'. Remove unused Alpine.js IE11 version (17KB legacy code). Use Asset CleanUp plugin to eliminate 162KB of unused app code on non-essential pages.
Eliminate Render-Blocking Resources
High Impact+15 points estimatedWhy It Matters:
Three blocking scripts delay first paint by 680ms, preventing users from seeing content immediately.
How to Fix:
Move Sleak chat script to load asynchronously after page load. Replace Alpine.js IE11 with modern version and defer loading. Use WordPress hooks to load reCAPTCHA only on forms that need it.
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More WordPress Speed Tests
WordPress Performance Resources
Eliminate Render-Blocking Resources
Three blocking scripts delay first paint by 680ms, preventing users from seeing content immediately.
Remove Unused JavaScript Code
690 KiB of unused JavaScript blocks rendering for 1.05 seconds, severely impacting LCP and FCP.
Compress and Convert Images
Images waste 1.6MB of bandwidth with the hero image alone being 96% larger than necessary for display.
Eliminate Render Blocking Resources
CSS and font files are blocking initial page render for 3.8 seconds, severely delaying First Contentful Paint.