LCP
Largest Contentful Paint
77.0s
Poor
Good: < 2.5s
Measures how long it takes for the main content to appear on screen
Optimize JavaScript Execution Performance
How to optimize igd.happythoughts.in
Optimize JavaScript Execution Performance
High Impact+18 points estimated
Why It Matters
JavaScript execution blocks the main thread for 2.8 seconds, creating a 770ms potential input delay.
How to Fix
Break up long-running tasks by using React's concurrent features like startTransition. Move heavy computations to Web Workers. Implement code splitting at component level using React.lazy() and Suspense for non-critical features.
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
768ms
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 Next.js/React site has severe performance issues with a score of 46/100, indicating poor user experience. The biggest problem is an enormous 11MB JavaScript bundle that's 86% unused code, causing a catastrophic 77-second load time for the main content and making the page unresponsive for nearly 2 seconds. The site is loading far too much unnecessary JavaScript upfront - reducing this bundle size through code splitting, removing unused dependencies, and implementing lazy loading could dramatically improve performance by 50+ seconds and make the site actually usable for visitors.
Other Optimization Recommendations
Remove Unused JavaScript Code
High Impact+25 points estimatedWhy It Matters:
Unused JavaScript wastes 11MB of bandwidth and delays LCP by 55.8 seconds while blocking interactions.
How to Fix:
Use Next.js bundle analyzer to identify unused code in your chunks. Enable tree shaking in webpack config and remove unused dependencies. Split the massive 03j82jtbff3mp.js chunk using dynamic imports for route-based code splitting.
Eliminate Legacy JavaScript Polyfills
Medium Impact+8 points estimatedWhy It Matters:
Unnecessary polyfills add 14KB and delay LCP by 150ms for modern browsers.
How to Fix:
Update your Next.js target in next.config.js to exclude legacy browsers (set browserslist to modern browsers only). Remove polyfills for Array.at, Object.hasOwn, and String.trim methods which are widely supported. Use differential serving to serve modern JS to capable browsers.
Keep Your Site Fast After Optimization
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Related Performance Analyses
More Next.js Speed Tests
Next.js Performance Resources
Optimize Main Thread JavaScript Execution
2.0 seconds of JavaScript execution time blocks user interactions and increases Total Blocking Time by 150ms.
Reduce Unused JavaScript Bundle Size
284KB of unused JavaScript wastes bandwidth and delays LCP by 150ms while blocking the main thread.
Eliminate CSS Render Blocking Resources
Render-blocking CSS delays LCP by 600ms and FCP by 600ms, significantly impacting perceived load speed.
Optimize CSS Delivery Strategy
Analysis for seva.happythoughts.in