LCP
Largest Contentful Paint
2.8s
Needs Improvement
Good: < 2.5s
Measures how long it takes for the main content to appear on screen
Fix Critical Element Render Delay
How to optimize dev.happythoughts.in
Fix Critical Element Render Delay
High Impact+12 points estimated
Why It Matters
The LCP element (H1 heading) has a massive 4.3 second render delay, severely impacting page load performance.
How to Fix
Move critical CSS inline or above-the-fold to eliminate render blocking. In your Next.js app, use the 'critical' package to extract critical CSS for the main heading. Consider server-side rendering optimizations and ensure the H1 element renders immediately after HTML parsing.
0Needs Improvement
What This Score Means
A score of 85 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
INP
Interaction to Next Paint
77ms
Good
Good: < 200ms
Measures how quickly the page responds to user interactions
CLS
Cumulative Layout Shift
0.09
Good
Good: < 0.1
Measures visual stability - how much content shifts during page load
AI Performance Analysis
This Next.js site has good performance with a score of 85/100, but there's one critical issue holding it back. The biggest problem is an extremely slow "element render delay" of 4.3 seconds, which is causing your main heading to take 2.8 seconds to appear and your Speed Index to suffer at 9.4 seconds. The site is also loading 45KB of unused JavaScript (84% waste) and has render-blocking CSS that delays page rendering by 150ms. Fixing the element render delay and removing unused JavaScript would likely boost your score into the 90s and dramatically improve the user experience, especially on mobile devices.
Other Optimization Recommendations
Eliminate Render Blocking CSS
High Impact+10 points estimatedWhy It Matters:
Your CSS file is blocking initial render and delaying both LCP and FCP by 150ms.
How to Fix:
In Next.js, split your CSS using dynamic imports for non-critical styles. Inline critical CSS for above-the-fold content in your _document.js. Use next/dynamic with ssr: false for non-essential components that load heavy CSS.
Remove Unused JavaScript Code
High Impact+8 points estimatedWhy It Matters:
84% of your main JavaScript bundle (45KB) is unused, adding unnecessary load time and delaying LCP by 150ms.
How to Fix:
Enable Next.js tree shaking by ensuring proper ES6 imports. Use webpack-bundle-analyzer to identify unused code in your chunks. Implement code splitting with next/dynamic for components not needed on initial load. Remove legacy polyfills for modern JavaScript features like Array.prototype.at and Object.hasOwn.
Keep Your Site Fast After Optimization
Once your site is optimized, maintain that speed. Use DeployHQ for zero-downtime, automated deployments—so performance fixes and updates go live safely every time, without breaking your site.
Explore DeployHQ →Trusted by engineering teams shipping high-performance sites
Want to Analyze YOUR Website?
Get AI-powered performance insights with actionable fixes in 30 seconds
Related Performance Analyses
More Next.js Speed Tests
Next.js Performance Resources
Fix Layout Shift Issues
CLS score of 0.123 caused by carousel and cookie banner shifting content during load.
Reduce JavaScript Bundle Size
Unused JavaScript totals 1.6MB and blocks main thread for 4.7 seconds, causing 630ms input delay.
Optimize Large Image Assets
Images consume over 22MB with the largest being 4.5MB, severely impacting LCP at 8.3 seconds.
Update JavaScript Build Target
Legacy JavaScript polyfills add 20KB of unnecessary code since modern browsers support these features natively.