DEV Community

Web Performance

All things speed and scalability on the web.

Posts

đź‘‹ Sign in for the ability to sort posts by relevant, latest, or top.
Stop Auth Flickers: Edge Middleware in Next.js ⚡

Stop Auth Flickers: Edge Middleware in Next.js ⚡

2
Comments
2 min read
SVG vs PNG vs WebP: Pick the Wrong Format and Your Users Pay

SVG vs PNG vs WebP: Pick the Wrong Format and Your Users Pay

Comments
1 min read
I got a real Next.js store to 98 on mobile PageSpeed. Here is what actually moved it, and the trap that fooled me.

I got a real Next.js store to 98 on mobile PageSpeed. Here is what actually moved it, and the trap that fooled me.

1
Comments
1 min read
Fix Core Web Vitals: Offload Scripts with Partytown ⚡

Fix Core Web Vitals: Offload Scripts with Partytown ⚡

1
Comments
3 min read
🚀 Introducing Prism Guard — An Open Source Frontend Architecture Intelligence Platform

🚀 Introducing Prism Guard — An Open Source Frontend Architecture Intelligence Platform

Comments
2 min read
How to remove unused CSS and shrink your stylesheet

How to remove unused CSS and shrink your stylesheet

Comments
5 min read
A Claude Skill That Makes Images Smaller

A Claude Skill That Makes Images Smaller

Comments
2 min read
Processing Millions of Rows: Web Workers in Next.js ⚡

Processing Millions of Rows: Web Workers in Next.js ⚡

1
Comments
3 min read
Google just shipped an official "agent-ready" toolkit. Here's the one thing it can't measure.

Google just shipped an official "agent-ready" toolkit. Here's the one thing it can't measure.

Comments
4 min read
System Design Series #4: Understanding Rate Limiting - Why Every Scalable Application Needs It

System Design Series #4: Understanding Rate Limiting - Why Every Scalable Application Needs It

1
Comments
4 min read
Optimizing Product Photography Workflows for E-Commerce Performance

Optimizing Product Photography Workflows for E-Commerce Performance

Comments
2 min read
How we hit 100/100 Lighthouse on a real estate site (and why most are stuck at 30-50)

How we hit 100/100 Lighthouse on a real estate site (and why most are stuck at 30-50)

Comments
6 min read
Stop Wasting Bandwidth: Master API Caching with ETags ⚡

Stop Wasting Bandwidth: Master API Caching with ETags ⚡

1
Comments
2 min read
Core Web Vitals for Your Store: LCP, INP, and CLS Explained

Core Web Vitals for Your Store: LCP, INP, and CLS Explained

Comments
6 min read
Your structured data is probably broken, and your crawler isn't telling you

Your structured data is probably broken, and your crawler isn't telling you

Comments
3 min read
đź‘‹ Sign in for the ability to sort posts by relevant, latest, or top.