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Web Performance

All things speed and scalability on the web.

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🚀 Why Slow Websites Are Silent Business Killers (and How to Fix Yours)

🚀 Why Slow Websites Are Silent Business Killers (and How to Fix Yours)

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3 min read
How fast do websites load from Google Search? Comparing various prefetching and on-demand load methods.

How fast do websites load from Google Search? Comparing various prefetching and on-demand load methods.

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17 min read
No Diffing. No Reconciliation. Just the DOM.

No Diffing. No Reconciliation. Just the DOM.

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1 min read
AVIF vs WebP — Which Image Format Should You Choose in 2025?

AVIF vs WebP — Which Image Format Should You Choose in 2025?

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2 min read
Web Performance Is Revenue: Join Me for the Vercel Community AMA

Web Performance Is Revenue: Join Me for the Vercel Community AMA

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34 min read
From Laggy to Lightning-Fast: Delivery & Build Optimization Strategies for Single-Page Web Apps

From Laggy to Lightning-Fast: Delivery & Build Optimization Strategies for Single-Page Web Apps

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2 min read
15 ways your website loads from Google Search and how to measure each one

15 ways your website loads from Google Search and how to measure each one

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16 min read
How to Optimize JavaScript for Better Website Loading Speed?

How to Optimize JavaScript for Better Website Loading Speed?

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1 min read
🚀 Frontend Performance Beyond the Basics: Rare Frontend Optimization Techniques You Should Know

🚀 Frontend Performance Beyond the Basics: Rare Frontend Optimization Techniques You Should Know

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4 min read
The Hidden Cost of Object Props in React

The Hidden Cost of Object Props in React

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4 min read
I Built SoVoyage.fr — A Travel Deals Site Using Astro JS, Markdown, Netlify CMS and Firebase

I Built SoVoyage.fr — A Travel Deals Site Using Astro JS, Markdown, Netlify CMS and Firebase

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2 min read
A árdua batalha da Memoização no React

A árdua batalha da Memoização no React

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8 min read
Question-based web performance analysis using rsdoctor/mcp-server.

Question-based web performance analysis using rsdoctor/mcp-server.

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3 min read
🏃🏻‍♂️‍➡️ Smooth, Jank-Free Animations with CSS and JavaScript: Performance Best Practices

🏃🏻‍♂️‍➡️ Smooth, Jank-Free Animations with CSS and JavaScript: Performance Best Practices

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3 min read
WordPress vs Hugo: When Reality Challenges the Speed Myths

WordPress vs Hugo: When Reality Challenges the Speed Myths

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4 min read
3 TanStack Query Features That Transform Production React Apps

3 TanStack Query Features That Transform Production React Apps

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6 min read
The Definitive React 19 useCallback Guide — Patterns, Pitfalls, and Performance Wins

The Definitive React 19 useCallback Guide — Patterns, Pitfalls, and Performance Wins

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11 min read
A Real Performance Bug I Found and Fixed — Step by Step

A Real Performance Bug I Found and Fixed — Step by Step

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4 min read
Your App Isn’t Slow Because of the Code—It’s the Payload

Your App Isn’t Slow Because of the Code—It’s the Payload

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3 min read
Caching in Django

Caching in Django

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5 min read
Don’t Architect for Today—Architect for Change

Don’t Architect for Today—Architect for Change

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3 min read
What To Do if Your Web Site Is as Slow as Molasses in January

What To Do if Your Web Site Is as Slow as Molasses in January

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5 min read
How to build JavaScript's fastest “deep clone” function

How to build JavaScript's fastest “deep clone” function

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13 min read
How SSR and CSR works.

How SSR and CSR works.

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1 min read
3 Subtle Mistakes That Slowed Down My Web App (And How I Fixed Them)

3 Subtle Mistakes That Slowed Down My Web App (And How I Fixed Them)

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1 min read
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