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Performance

Tag for content related to software performance.

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Database Scaling Indexing, replication, read replicas, sharding

Database Scaling Indexing, replication, read replicas, sharding

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13 min read
Fixing INP: Field Notes on Interaction to Next Paint in a React App

Fixing INP: Field Notes on Interaction to Next Paint in a React App

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4 min read
I Got 9.9 Lower TTFT on a Real Android Phone by Reusing llama.cpp KV State

I Got 9.9 Lower TTFT on a Real Android Phone by Reusing llama.cpp KV State

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3 min read
What Actually Happens When Rust Spawns an OS Thread?

What Actually Happens When Rust Spawns an OS Thread?

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27 min read
React Compiler in 2026: What It Actually Memoizes (And What It Doesn't)

React Compiler in 2026: What It Actually Memoizes (And What It Doesn't)

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3 min read
Partial Prerendering in Next.js: The Static Shell + Dynamic Stream Model

Partial Prerendering in Next.js: The Static Shell + Dynamic Stream Model

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3 min read
Claude Code Is Crashing Your Frame Rate on Windows 11 — The Fix

Claude Code Is Crashing Your Frame Rate on Windows 11 — The Fix

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4 min read
"Image Optimization: The Complete 2026 Checklist for Faster Websites"

"Image Optimization: The Complete 2026 Checklist for Faster Websites"

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2 min read
Performance Testing Series — Part 2: Building Realistic User Journeys with Samplers & Listeners

Performance Testing Series — Part 2: Building Realistic User Journeys with Samplers & Listeners

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6 min read
Scaling PgBouncer to 4x Throughput: A Technical Deep Dive into PostgreSQL Connection Pooling Optimization

Scaling PgBouncer to 4x Throughput: A Technical Deep Dive into PostgreSQL Connection Pooling Optimization

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6 min read
Static Analysis Told Me My React App Had a Problem. Runtime Profiling Told Me Which One

Static Analysis Told Me My React App Had a Problem. Runtime Profiling Told Me Which One

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3 min read
Render PostgreSQL Replica Read Scaling for Multi-Tenant Analytics Queries: Offloading Read Load Without Application-Layer Routing Complexity

Render PostgreSQL Replica Read Scaling for Multi-Tenant Analytics Queries: Offloading Read Load Without Application-Layer Routing Complexity

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5 min read
Adding goroutines to Python

Adding goroutines to Python

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6 min read
Designing a browser upload flow for unreliable event Wi-Fi

Designing a browser upload flow for unreliable event Wi-Fi

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5 min read
Core Web Vitals in 2026: A Front-End Checklist That Also Boosts SEO

Core Web Vitals in 2026: A Front-End Checklist That Also Boosts SEO

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4 min read
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