Back to Blog
Case StudyNext.jsWeb PerformanceAutomotiveGeorgia

Proauto Case Study: Engineering Georgia’s Fastest Automotive Marketplace

5 min readEffect Design
Proauto Case Study: Engineering Georgia’s Fastest Automotive Marketplace

The Vision: A Frictionless Auto-Market

Buying a car is stressful enough. The platform shouldn't be. When we started building Proauto, the goal was clear: create a marketplace that handles complex data (VINs, customs duty, multi-lingual listings) while maintaining the speed of a high-performance blog.

In the Georgian market, where mobile users dominate and internet speeds vary, performance isn't a feature—it's a requirement.

The Engine: Our Tech Stack

To achieve sub-second load times, we chose a stack designed for 2026 standards: - Next.js 14 (App Router): The backbone of our Server-Side Rendering (SSR) strategy. - TypeScript: To ensure the complex logic behind car attributes and import calculators stays bug-free. - PostgreSQL: Hand-optimized queries to filter through thousands of listings in milliseconds. - Tailwind CSS: For a lightweight, mobile-first UI that doesn't bloat the browser.

Technical Hurdles & Solutions

1. The Search Problem Automotive search is complex. Users want to filter by make, model, year, fuel type, and mileage simultaneously. Instead of relying on heavy third-party tools, we built a **custom PostgreSQL query builder**. * **The Result:** Instant filtering without the monthly cost of external search engines.

2. VIN Verification Trust is currency in the used car market. We integrated real-time VIN decoding to automatically pull vehicle specs, preventing manual entry errors and increasing buyer confidence.

3. The 'Georgian' Font Challenge Standard fonts often look inconsistent in Georgian. We utilized `next/font` with **Noto Sans Georgian**, ensuring that the typography remains sharp and readable across all devices without slowing down the initial render.

Performance by the Numbers

We didn't just aim for 'fast'; we aimed for top-tier metrics: - LCP (Largest Contentful Paint): 1.1s (Desktop) - Performance Score: 98/100 on Lighthouse - CLS (Cumulative Layout Shift): 0 — meaning no annoying jumping elements while the page loads.

Lessons from the Road

1. Mobile-First is King: 85% of our traffic comes from mobile devices in Georgia. Every button and filter was designed for thumb-interaction first. 2. Image Optimization Matters: Car listings mean thousands of high-res photos. Using Sharp and WebP conversion, we reduced image sizes by 60% without losing detail. 3. SSR is the SEO Secret: By rendering listings on the server, every car page is instantly indexable by Google, giving Proauto a massive organic advantage.

Looking Ahead

Proauto is more than just a site; it's a living ecosystem for the Georgian automotive industry. By choosing the right architecture today, we’ve built a foundation that’s ready for the AI-driven features of tomorrow.

Ready to Get Started?

Let's discuss how we can help bring your idea to life.