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$
USD
I will optimize and improve your frontend performance
Johan S
About this gig
Is your website underperforming, slow, or scoring poorly on Lighthouse?
I help improve frontend performance, user experience and Core Web Vitals so your website feels faster and converts better.
What I improve:
- Lighthouse performance score
- Core Web Vitals
- Page speed
- React rendering optimization
- Code cleanup & refactoring
- UX polish and layout improvements
- Asset optimization (images, lazy loading, caching)
Why work with me:
- Strong React & TypeScript experience
- Performance-focused mindset
- Clear communication
- Business-aware UX improvements
Message me before ordering so I can review your website and suggest the best optimization plan.
Respect third-party rights
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Get to know Johan S
Johan S
Frontend Developer
- FromSouth Africa
- Member sinceFeb 2026
- Avg. response time4 days
Languages
Afrikaans, English
Hello! I’m a Junior Frontend Developer specializing in React and TypeScript.
I build clean, responsive, and maintainable user interfaces with a focus on code quality and testing, using Vitest/Jest for unit tests and GitHub Actions CI for reliable apps.
I can help with:
• Fixing React or JavaScript bugs
• Converting designs into responsive UI
• Improving frontend components
• Writing or improving unit tests and CI workflows
• Optimizing page speed & Core Web Vitals
I value professionalism, fast communication, and clean, reliable code
Other Website Maintenance Services I Offer
FAQ
Q: What does the basic performance audit include?
A: I review one page of your website, analyze speed, Core Web Vitals, Lighthouse scores, and provide actionable optimization recommendations.
Q: Will you fix all performance issues on my website?
A: I optimize 1–2 bottlenecks for Standard and provide full frontend performance improvement in Premium. Additional issues can be handled via gig extras.
Q: Do you need access to my website?
A: Yes, I’ll need temporary access to your React frontend and hosting environment to safely test and implement performance improvements.
Q: Can you improve my Lighthouse score for mobile and desktop?
A: Absolutely! I optimize both mobile and desktop experiences to enhance Core Web Vitals and overall UX.
Q: How long does it take to see improvements?
A: Basic audit is delivered in 2 days, optimization depends on the package (2–4 days) and milestone workflow can speed up complex tasks.
