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I will optimize your react nextjs website speed and core web vitals
Imad Khan
About this gig
Is your React or Next.js site slow, or struggling with Core Web Vitals?
I'll dig into your site, find what's actually causing the slowdown, and fix it - not just change random settings and hope for the best.
What I look at:
Core Web Vitals, slow page loads, oversized images, heavy JavaScript/CSS, sluggish components, font and third-party resource loading, unnecessary client-side JavaScript, and Next.js rendering issues across both mobile and desktop.
What you get:
A clear performance analysis, the actual causes of the problems, the fixes, a before-and-after comparison, and clean code you can maintain afterward. I'll also test the changes once everything is done.
My stack: React, Next.js, JavaScript, TypeScript, Tailwind CSS, HTML, and CSS.
Before you order, send me:
- Your website URL
- What's going wrong, in your own words
- A PageSpeed or Lighthouse report, if you have one
- GitHub repository or project files if code changes are needed
Not sure what's slowing your site down?
Send me the URL and tell me what you're experiencing. I'll take a look and let you know what could be improved.
Respect third-party rights
Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.
Get to know Imad Khan
Imad Khan
Full Stack Developer Nextjs React and Nodejs Specialist
- FromPakistan
- Member sinceAug 2025
- Avg. response time2 hours
- Last delivery5 months
Languages
Urdu, Pashto, English
I work with businesses and founders who value building high-quality digital products—not just websites.
With 5+ years of experience as a Full Stack Developer, I specialize in React.js, Next.js, and Node.js, creating scalable and high-performance applications.
I focus on clean architecture, performance, and long-term maintainability, delivering solutions aligned with real business goals.
If you need a developer who takes ownership and delivers without constant oversight, we’ll work well together.
My Portfolio
FAQ
Do you guarantee a specific PageSpeed score?
No — too much of that score depends on things outside the code, like hosting, server response time, and third-party scripts. I'll focus on what can actually be fixed.
Do you work with both React and Next.js?
Yes, both. That covers loading speed, rendering, JavaScript, images, fonts, and Core Web Vitals.
Do you need my source code?
Usually just the URL for the first analysis. If fixes need code changes, I'll ask for the project files or GitHub repo at that point.
Can you improve mobile performance specifically?
Yes — I look at mobile and desktop separately, since the bottlenecks aren't always the same on each.
Can you work on a site that's already live?
Yes. I'll review how it's performing now, then optimize from there.
My site is slow and I don't know why — can you figure it out?
Send me the URL and I'll dig into the performance data to find what's actually causing it.
