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I will optimize your next js or react website speed to 90 plus lighthouse score
Ehtisham H
About this gig
A slow site loses you money. 53% of visitors leave if a page takes over 3 seconds and Google ranks slow sites lower.
I'm a JavaScript developer with 5+ years of experience making React and Next.js apps fast. I don't guess I measure, fix, and prove the result with before/after Lighthouse reports.
WHAT I OPTIMIZE:
Images modern formats, lazy loading, correct sizing JavaScript bundles code splitting, removing dead weight Fonts preloading, eliminating layout shift (CLS) Core Web Vitals LCP, INP, CLS brought into the green Caching and CDN configuration (Vercel, Netlify, Cloudflare) Render-blocking resources and slow API waterfalls
WHAT YOU GET:
Before/after Lighthouse + Core Web Vitals report Every change explained in plain English Clean fixes in your codebase no sketchy plugins or hacks SEO benefit: page speed is a Google ranking factor
Works with Next.js, React, Vite, Node.js backends and any hosting.
Not sure what's making your site slow? Send me your URL I'll run a free mini-audit and tell you exactly what I'd fix before you spend anything.
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 Ehtisham H
Ehtisham H
From Bugs to SaaS MVPs and AI Powered Apps
- FromPakistan
- Member sinceMay 2025
- Avg. response time1 hour
Languages
English
Full-stack developer specializing in React, Next.js, Node.js, and TypeScript. I help clients build SaaS MVPs, fix bugs, and integrate AI features into web applications. From debugging frontend and backend issues to creating scalable products and adding AI chatbots, OpenAI integrations, and automation workflows, I deliver clean, production-ready solutions. I focus on clear communication, reliable delivery, and building the right solution for your business needs. Message me to discuss your project.
My Portfolio
FAQ
Do you guarantee a 90+ Lighthouse score?
On most React/Next.js sites, yes. If heavy third-party scripts (ads, analytics, chat widgets) make 90+ impossible, I'll tell you the realistic ceiling BEFORE you order, from your free mini-audit.
Will you break my site?
No. I work on a branch, you review changes before they go live, and every change is documented. Nothing is deployed without your approval.
Mobile or desktop score?
Both are in the report. Mobile is the one Google cares about, so that's what I optimize for first.
What do you need from me?
Your site URL and code access (GitHub invite or zip). For the Basic audit, just the URL.
My site is WordPress/Shopify, can you help?
This gig is specialized for React, Next.js and JavaScript apps. That focus is exactly why I get results on them.
How do I know it worked?
You get side-by-side before/after Lighthouse and PageSpeed Insights reports, plus a summary of every change and why it helped.
