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Performance

Tag for content related to software performance.

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Your Mac is protecting you! (but is it worth it?)

Your Mac is protecting you! (but is it worth it?)

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4 min read
I Built a React Performance Analyzer Because Lighthouse Wasn't Telling Me Why

I Built a React Performance Analyzer Because Lighthouse Wasn't Telling Me Why

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5 min read
Como servir os 68 milhões de CNPJs da Receita com ~10ms de latência em Go

Como servir os 68 milhões de CNPJs da Receita com ~10ms de latência em Go

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4 min read
How I Took a Site From 69 to 96 on PageSpeed by Fixing One Script Tag

How I Took a Site From 69 to 96 on PageSpeed by Fixing One Script Tag

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2 min read
wrk: كيفية اختبار تحميل API من سطر الأوامر

wrk: كيفية اختبار تحميل API من سطر الأوامر

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4 min read
Our Token Counter Took 26 Seconds on a Single Prompt

Summer Bug Smash: Smash Stories 🐛🛹

Our Token Counter Took 26 Seconds on a Single Prompt

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8 min read
Phantom CLS in Lighthouse: How to Hunt Down and Fix Invisible Layout Shifts

Phantom CLS in Lighthouse: How to Hunt Down and Fix Invisible Layout Shifts

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4 min read
Prompt Caching and Cost Control in Python

Prompt Caching and Cost Control in Python

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8 min read
Prompt Caching and Cost Control in Java

Prompt Caching and Cost Control in Java

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8 min read
React 19 useCallback Dependencies in Multi-Tenant Dashboards: Why Your AI Feature Memoization Is Causing Stale Closures

React 19 useCallback Dependencies in Multi-Tenant Dashboards: Why Your AI Feature Memoization Is Causing Stale Closures

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4 min read
Zero-Copy in Go:sendfile, splice, and io.Copy Performance Deep Dive

Zero-Copy in Go:sendfile, splice, and io.Copy Performance Deep Dive

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3 min read
Part 3. How to Fix External I/O Inside Transactions Without Overengineering Everything

Part 3. How to Fix External I/O Inside Transactions Without Overengineering Everything

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11 min read
Part 2. The Spring @Transactional Pattern That Drained Our Hikari Pool

Part 2. The Spring @Transactional Pattern That Drained Our Hikari Pool

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6 min read
Load Balancer Tuning: Lessons from Production

Load Balancer Tuning: Lessons from Production

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2 min read
PostgreSQL's Async I/O Engine: Why Your Sequential Scans Just Got 2-3x Faster

PostgreSQL's Async I/O Engine: Why Your Sequential Scans Just Got 2-3x Faster

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4 min read
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