I will optimize your next and react website and mobile performance


About this gig
Is your Next.js or React website slow or failing Core Web Vitals? A poorly optimized site leads to higher bounce rates, lower SEO rankings, and frustrated users, especially on mobile.
I specialize in performance auditing and optimization for React and Next.js apps, both web and mobile.
What's included:
- Performance audit Lighthouse, PageSpeed Insights, LCP, FID, CLS, TTFB analysis
- Code splitting & lazy loading reduce unnecessary JS bundles
- Image optimization next/image, WebP, CDN delivery, proper sizing
- SSG, SSR, ISR & caching strategy improvements
- Re-render fixes useMemo, useCallback, React.memo tuning
- Mobile performance bundle size reduction, PWA & React Native improvements
- Full before & after report with documented results
This is for you if:
- Your Lighthouse score is below 70
- Your site is slow on mobile
- You're failing Core Web Vitals
- You want better SEO through faster load times
I don't just audit, I fix. Every optimization is implemented, tested, and documented.
Message me with your site URL for a free initial assessment before you order. Let's make your app blazing fast.
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Get to know Haider Naseer
I Turn Ideas Into Scalable React and Mobile Apps On Time, Every Time
- FromPakistan
- Member sinceMar 2022
- Avg. response time2 hours
Languages
Urdu, English
FAQ
What if my score doesn't improve?
Offer a revision policy. If the agreed targets aren't met, I will optimize it.
Do I work with React Native mobile apps?
Yes. I optimize both web (Next.js / React) and mobile (React Native / PWA) performance.
How long does the optimization take?
Typically, 2–5 days depending on the size and complexity of your project. Timelines are confirmed before work begins.
Will the changes break my existing features?
No. All optimizations are tested thoroughly before delivery. I never modify business logic — only performance-related code.
Can you request only an audit without fixes?
Absolutely. An audit-only package is available if you prefer to implement the fixes yourself.
