I will fix your website bugs, improve speed and performance

D
duetkarthick
D
duetkarthick
Karthick
fix your website bugs, improve speed and performance
Full Screen
fix your website bugs, improve speed and performance

About this gig

Is your site slow or full of bugs? That could be why you're losing visitors.

I help fix issues and improve performance so your platform runs smoothly and loads faster. A fast and optimized experience boosts both user satisfaction and SEO.


What I can fix:

  • Bugs & errors
  • Speed optimization (Lighthouse improvements)
  • Mobile responsiveness issues
  • UI / layout problems

What you get:

  • Faster loading site
  • Better performance score
  • Improved user experience

Send me your link and Ill analyze the issue.

Message me before ordering Ill suggest the best solution.

  • Programming language

    • HTML & CSS

  • Expertise

    • Debugging
    • Performance
    • Security
    • Operating systems
    • Design

  • Frontend framework

    • Next.js
    • React.js
    • Tailwind CSS

Get to know Karthick

Karthick

Full Stack Developer Custom React Nextjs Web Applications

  • FromIndia
  • Member sinceFeb 2025
  • Avg. response time1 hour

  • Languages

    Tamil, English
Hi, I’m Karthikeyan — a Full Stack Developer specializing in modern web applications using React, Next.js, Node.js, and PostgreSQL. I build fast, responsive, SEO-friendly websites and scalable full stack apps tailored to business needs. Experienced in custom frontend development, backend APIs, authentication, Stripe/payment integration, and database design. I focus on clean code, performance, and delivering production-quality solutions that help businesses grow.

My Portfolio

Other Software Development Services I Offer

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