Free Website Health Check for React Apps
React apps deliver incredible user experiences when built right — but they're notorious for SEO challenges, bundle bloat, and runtime performance issues. A poorly optimized React app might work great in development but fall apart under real-world conditions with slow networks and diverse devices.
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Common issues we detect
Client-Side Rendering SEO Gaps
Many React apps struggle with SEO because search engines see a blank page while JavaScript loads. Missing server-side rendering, improper meta tag management, and dynamic content that isn't crawlable hurt your search rankings. We check if your app is actually visible to Google and other search engines.
JavaScript Bundle Size
React applications tend to ship large JavaScript bundles, especially when using multiple libraries or inefficient import patterns. A bundle over 250KB can seriously impact load time on mobile networks. Our scanner measures your actual bundle size and identifies optimization opportunities.
Runtime Performance Issues
Unnecessary re-renders, memory leaks from uncleared timers, and inefficient state management can make React apps sluggish after initial load. We monitor Core Web Vitals including Cumulative Layout Shift and First Input Delay to catch these runtime performance problems.
Accessibility in Component Design
Custom React components often lack proper ARIA attributes, focus management, and keyboard navigation. Form components without proper labels, interactive elements missing roles, and poor contrast in styled components create barriers for users with disabilities. We audit your app's accessibility compliance.
Ready to fix your site?
Enter your React app URL below for a comprehensive health check — optimize performance, SEO, and accessibility in one scan.