#network

3 posts

Performance

Preload vs Prefetch vs Preconnect: When to Use Each Resource Hint

Three resource hints, three different jobs. Using the wrong one wastes bandwidth and slows the current page. How each one works and when to apply it.

#performance#browser#network#LCP#frontend

Ashish Apr 19, 2026 10 min read
Performance

How HTTP/2 Made Five Frontend Performance Best Practices Obsolete

Domain sharding, CSS sprites, and JS concatenation were correct for HTTP/1.1. HTTP/2 turned them into anti-patterns. Here is what changed and why.

#performance#network#browser#javascript#frontend

Ashish Apr 17, 2026 10 min read
Performance

Network Optimization in React SPAs: Prefetching

Why React SPAs refetch data you already have, and how to fix it: HTTP cache headers, stale-while-revalidate, request deduplication, and prefetch strategies.

#performance#network#react#caching#frontend

Ashish Apr 2, 2026 13 min read