Common Issues performance

My AI-Built App Is Really Slow

Your app takes forever to load, pages are slow to navigate, or actions (like saving data or loading lists) take several seconds. It was fine at first but got slower as you added more features.

Common Causes

  • No pagination — the app loads all data at once instead of in chunks
  • Missing database indexes on commonly queried columns
  • N+1 query problem — the app makes hundreds of individual database calls instead of one
  • Large unoptimized images loading on every page
  • Unnecessary re-renders in React causing the UI to lag
  • No caching — every page load fetches everything fresh from the database

How to Fix It

  1. Open browser Network tab and see how many requests are made and how long they take
  2. Add pagination to any list that could grow beyond 50 items
  3. Optimize images — compress them and use lazy loading
  4. Check the database for missing indexes on columns you filter or sort by
  5. If the API is slow, check how many database queries each endpoint makes

Real developers can help you.

Rudra Bhikadiya Rudra Bhikadiya I build and fix web apps across Next.js, Node.js, and DBs. Comfortable jumping into messy code, broken APIs, and mysterious bugs. If your project works in theory but not in reality, I help close that gap. ISHANTDEEP SINGH ISHANTDEEP SINGH Senior Software Engineer with 7+ years of experience in React, JavaScript, TypeScript, Next.js, and Node.js. I’ve also worked as a tech lead for startups, owning end-to-end technical execution including architecture, development, scaling, and delivery. I bring a strong mix of hands-on coding, product thinking, and technical leadership, and I’m comfortable building products from scratch as well as improving and scaling existing systems. Alvin Voo Alvin Voo I’ve watched the tech landscape evolve over the last decade—from the structured days of Java Server Pages to the current "wild west" of Agentic-driven development. While AI can "vibe" a frontend into existence, I specialize in the architecture that keeps it from collapsing. My expertise lies in the critical backend infrastructure: the parts that must be fast, secure, and scalable. I thrive on high-pressure environments, such as when I had only three weeks to architect and launch an Ethereum redemption system with minimal prior crypto knowledge, turning it into a major revenue stream. What I bring to your project: Forensic Debugging: I don't just "patch" bugs; I use tools like Datadog and Explain Analyzers to map out bottlenecks and resolve root causes—like significantly reducing memory usage by optimizing complex DB joins. Full-Stack Context: Deep experience in Node.js and React, ensuring backends play perfectly with mobile and web teams. Sanity in the Age of AI: I bridge the gap between "best practices" and modern speed, ensuring your project isn't just built fast, but built to last. Prakash Prajapati Prakash Prajapati I’m a Senior Python Developer specializing in building secure, scalable, and highly available systems. I work primarily with Python, Django, FastAPI, Docker, PostgreSQL, and modern AI tooling such as PydanticAI, focusing on clean architecture, strong design principles, and reliable DevOps practices. I enjoy solving complex engineering problems and designing systems that are maintainable, resilient, and built to scale. Kingsley Omage Kingsley Omage Fullstack software engineer passionate about AI Agents, blockchain, LLMs. Jared Hasson Jared Hasson Full time lead founding dev at a cyber security saas startup, with 10 yoe and a bachelor's in CS. Building & debugging software products is what I've spent my time on for forever legrab legrab I'll fill this later Pratik Pratik SWE with 15+ years of experience building and maintaining web apps and extensive BE infrastructure Taufan Taufan I’m a product-focused engineer and tech leader who builds scalable systems and turns ideas into production-ready platforms. Over the past years, I’ve worked across startups and fast-moving teams, leading backend architecture, improving system reliability, and shipping products used by thousands of users. My strength is not just writing code — but connecting product vision, technical execution, and business impact. MFox MFox Full-stack professional senior engineer (15+years). Extensive experience in software development, qa, and IP networking.

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Frequently Asked Questions

The app was fast at first but now it's slow. Why?

Usually because the database has grown and the app wasn't built with pagination or indexing. AI tools rarely optimize for scale.

Can a developer speed up my AI-built app?

Yes. A developer can add pagination, optimize queries, add caching, and compress assets. These are standard performance fixes.

Can't fix it yourself?
Real developers can help.

You don't need to be technical. Just describe what's wrong and a verified developer will handle the rest.

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