LCP
Largest Contentful Paint
5.3s
Poor
Good: < 2.5s
Measures how long it takes for the main content to appear on screen
Remove Unused JavaScript Code
How to optimize thescla.org
Remove Unused JavaScript Code
High Impact+18 points estimated
Why It Matters
861 KiB of unused JavaScript is delaying LCP by 1.25 seconds and blocking page interactivity.
How to Fix
Remove or defer unused HubSpot chat widget code (172 KiB wasted). Replace Google Analytics with lighter GA4 implementation or defer loading until after page load. Audit React Aria components and only load required modules.
0Poor
What This Score Means
A score of 42 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
619ms
Poor
Good: < 200ms
Measures how quickly the page responds to user interactions
CLS
Cumulative Layout Shift
0.07
Good
Good: < 0.1
Measures visual stability - how much content shifts during page load
AI Performance Analysis
This website has poor performance with a score of 42/100, indicating significant issues that are hurting user experience. The biggest problem is excessive unused JavaScript code, which is wasting 841 KiB of data and slowing down page loading by over 1.2 seconds. The site takes 22 seconds to become fully interactive and has a sluggish Largest Contentful Paint of 5.3 seconds, primarily caused by render-blocking CSS files and oversized images that could be compressed or converted to modern formats. Removing unused JavaScript from HubSpot tracking scripts and Google Analytics, along with optimizing images and deferring non-critical CSS, could dramatically improve the performance score and make the site much faster for visitors.
Other Optimization Recommendations
Optimize Critical Resource Loading
High Impact+16 points estimatedWhy It Matters:
Render-blocking CSS files are delaying both FCP and LCP by 950ms.
How to Fix:
Inline critical CSS for above-the-fold content directly in the HTML head. Add preconnect hints for cdn.vidstack.io to save 244ms. Defer non-critical stylesheets like video player themes using media='print' onload technique.
Compress and Resize Images
Medium Impact+12 points estimatedWhy It Matters:
Large unoptimized images waste 1.2 MB of bandwidth and slow LCP by 150ms.
How to Fix:
Convert the 671KB PNG poster image to WebP format for 90% size reduction. Resize oversized images to match display dimensions (819x951 displayed as 371x431). Implement responsive images with srcset for different screen sizes.
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Related Performance Analyses
More Generic Speed Tests
Generic Performance Resources
Minify and Reduce JavaScript
Unminified JavaScript wastes 1.4 MB and causes 2.3 seconds of blocking execution time.
Optimize Image Delivery and Sizing
Large unoptimized images cause 10.4 MB of wasted bandwidth and trigger major layout shifts affecting CLS.
Eliminate Render Blocking CSS
Blocking CSS resources delay First Contentful Paint by 5.4 seconds and waste 237 KiB of unused styles.
Eliminate Render Blocking CSS
Critical CSS file blocks initial page render for 8.1 seconds, severely delaying FCP and LCP.