LCP
Largest Contentful Paint
11.2s
Poor
Good: < 2.5s
Measures how long it takes for the main content to appear on screen
Eliminate Unused JavaScript Code
How to optimize megasport.ua
Generic SiteScore: 37/100Analyzed January 2026
Eliminate Unused JavaScript Code
High Impact+25 points estimated
Why It Matters
1,125 KiB of unused JavaScript is blocking page rendering and delaying LCP by 2.55 seconds.
How to Fix
Remove unused code from entry-client.chunk.js (76% unused) and ProductScreen.chunk.js (40% unused). Use webpack-bundle-analyzer to identify dead code. Implement dynamic imports for product-specific features to load only when needed.
0Poor
What This Score Means
A score of 37 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
1035ms
Poor
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 e-commerce site has severe performance issues with a score of just 37/100. The biggest problem is excessive JavaScript execution that completely blocks user interaction - the page takes over 22 seconds to become fully interactive and has a massive 4.3-second delay before users can click anything. The site is loading over 1MB of unused JavaScript code that could be eliminated, and the main product image takes 11+ seconds to appear due to rendering delays. Removing unused code, optimizing JavaScript delivery, and fixing the image loading sequence could dramatically improve performance and prevent users from abandoning the page.
Other Optimization Recommendations
Optimize CSS Delivery Strategy
High Impact+18 points estimatedWhy It Matters:
Render-blocking CSS delays First Contentful Paint by 500ms and wastes 47 KiB of unused styles.
How to Fix:
Extract critical CSS for above-the-fold content and inline it. Defer non-critical CSS using media='print' onload technique. Remove unused CSS rules from entry-client.chunk.css (76% unused).
Fix Element Render Delays
High Impact+22 points estimatedWhy It Matters:
The LCP element has a 2.6-second render delay causing the 11.2-second LCP score.
How to Fix:
Preload the main product image with fetchpriority='high' and proper resource hints. Optimize the image pipeline by reducing the 901ms resource load delay. Add explicit width/height attributes to prevent layout shifts during image loading.
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Related Performance Analyses
More Generic Speed Tests
Generic Performance Resources
Add Image Dimensions and Cache Headers
Missing image dimensions cause layout shifts affecting CLS, while poor caching forces unnecessary re-downloads.
Optimize Image Dimensions and Delivery
Oversized images waste 310 KiB of bandwidth and slow down page loading, particularly impacting mobile users.
Eliminate Render Blocking Resources
Critical CSS and JavaScript files are blocking initial render, delaying LCP and FCP by 950ms.
Eliminate Render-Blocking Resources and Forced Reflows
Render-blocking CSS delays initial paint by 1,890ms and forced reflows cause 87ms of layout thrashing.
Frequently Asked Questions
Keep Your Site Fast After Optimization
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