Case Study
Next.js Website Performance Optimization Case Study
Project Overview
A healthcare website built with Next.js was experiencing slow loading times and poor mobile performance scores, affecting user experience and SEO rankings.
Challenges
- Slow Largest Contentful Paint (LCP)
- Unoptimized images
- Render-blocking resources
- High JavaScript execution time
Objectives
Improve website speed, user experience, and search engine performance.
Optimization Strategy
Improvements Made
- Next.js Image Optimization
- Lazy loading implementation
- Code splitting
- Font optimization
- Script optimization
Optimization Process
- Audited performance using Lighthouse.
- Identified bottlenecks.
- Optimized assets and scripts.
- Reduced unused JavaScript.
- Re-tested performance metrics.
Performance Results
| Metric | Before | After |
|---|---|---|
| Mobile Score | 58 | 92 |
| Desktop Score | 78 | 98 |
| LCP | 4.8s | 1.9s |
| CLS | 0.18 | 0.02 |
Results
Key Achievements
The website experienced faster loading times, better engagement metrics, and improved SEO performance after optimization.
Conclusion
Performance optimization directly impacts both user experience and search rankings.
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