Case Study - Why performance is the foundation of every successful website

A fast website is not a luxury — it is the baseline for ranking on Google, converting visitors, and delivering a professional experience.

Client
Performance & SEO
Year
Service
Web Performance
Couto Software House case study

The cost of a slow website

Every 100ms of delay in page load reduces conversion by 7%. Users expect instant responses — if your site feels slow, they leave before reading a single word.

Search engines like Google use Core Web Vitals (LCP, FID, CLS) as ranking factors. A slow, poorly optimized site is invisible on search results, no matter how good your content is.

This is why we treat performance as a first-class requirement, not an afterthought. Every project we deliver is built with server-side rendering (SSR), incremental static regeneration (ISR), and aggressive code splitting from day one.

How we achieve it

  • Server-Side Rendering (Next.js)
  • Core Web Vitals Optimization
  • Image & Font Optimization
  • CDN & Edge Deployment

We do not ship a project until Lighthouse scores are above 90. Performance is the difference between a website that works and a website that converts.

Tarcisio Couto, CSH Founder
Lighthouse score
95+
Faster than average
3x
More organic traffic
40%
Time to interactive
<1s

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