CSR vs SSR Comparison

Detailed analysis of advantages and disadvantages of each rendering method

🖥️ View CSR Demo

Experience Client Side Rendering in practice

🖥️ View SSR Demo

Experience Server Side Rendering in practice

📊 Detailed Performance Comparison

Evaluation of important metrics between CSR and SSR

Metrics	CSR (Client Side)	SSR (Server Side)
First Contentful Paint	Slow Must load JS and fetch data first	Fast HTML has content immediately
Time to Interactive	Fast Immediate interaction after loading	Medium Needs hydration for interaction
SEO Score	Poor Crawler cannot see dynamic content	Excellent HTML has complete content
Server Load	Low Only serves static files	High Must render HTML for each request
Initial Bundle Size	Large Must load entire JS app	Small Only needs HTML + minimal JS

Good

Average

Poor

🎯 When to use CSR?

✓Interactive applications (dashboard, admin panel)
✓Single Page Applications (SPA)
✓When SEO is not important
✓Frequently changing data
✓Want to reduce server load

🎯 When to use SSR?

✓News websites, blogs, e-commerce
✓SEO is top priority
✓Need fast First Contentful Paint
✓Users have slow network
✓Relatively static content

🚀 Hybrid Approach

Next.js 14+ App Router allows you to combine both CSR and SSR in the same application. Use SSR for pages that need SEO and CSR for interactive sections.

Server Components

Default SSR for SEO

Client Components

CSR with 'use client'

Static Generation

Best for performance