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Performance Optimization

Diagnose and eliminate bottlenecks in existing apps — from bundle size to database queries to Core Web Vitals.

What's included

Core Web Vitals audits (LCP, FID, CLS)
Bundle analysis & code splitting
Image & font optimization
Database query profiling
Caching strategy (CDN, Redis, ISR)
Server-side rendering optimization

How it works

1

Audit

Instrument the app with profiling tools and identify every bottleneck.

2

Prioritize

Rank issues by impact and complexity for maximum ROI.

3

Optimize

Systematic fixes with before/after benchmarks.

4

Monitor

Set up alerting so performance regressions never slip through again.

Technology stack

Next.jsLighthouseWebPageTestDatadogRedisCloudflareVercel

Benefits

  • Faster perceived performance
  • Higher SEO rankings
  • Reduced infrastructure costs
  • Better conversion rates
See it in practice
Performance Optimization | DevNest