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At SakhtBazar, a B2B marketplace connecting construction suppliers and contractors, the frontend was server-rendered Laravel Blade. It worked, but every page paid the full server-render cost, caching was coarse, and search engines saw a slow site. Migrating to Next.js cut page load times by 80% and tripled organic traffic. Here are the core factors that drove those gains.

1. Server-side rendering where it counts

Marketplace listing and product pages depend on fast indexing and early paint. Moving them to SSR meant crawlers received complete HTML and users saw content on the first response instead of waiting for client-side hydration of an empty shell.

2. Multi-layer caching

Frontend caching strategies paired with Redis on the backend took repeated work off the critical path: rendered fragments, API responses, and session-adjacent data each received an explicit lifetime instead of hitting the database on every request.

3. Components as a performance budget

The migration produced 50+ reusable frontend components. Shared, reviewed components meant fewer heavy one-off widgets, consistent lazy-loading of below-the-fold blocks, and images with explicit dimensions to prevent layout shift.

4. Measuring Core Web Vitals directly

Largest Contentful Paint, interaction latency, and layout shift were tracked before and after each change. The 80% figure came from that feedback loop: change, measure, and keep what moves the metric.