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Tag for content related to software performance.

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Token Drift Explained: Why Your Agent Gets Slower and More Expensive

Token Drift Explained: Why Your Agent Gets Slower and More Expensive

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6 min read
The most expensive pixel I've ever measured: a 24px arrow that weighed 2.9MB

The most expensive pixel I've ever measured: a 24px arrow that weighed 2.9MB

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4 min read
One <link rel=preload> cut my Blazor WASM LCP by 500ms — the invisible file at the end of the critical chain

One <link rel=preload> cut my Blazor WASM LCP by 500ms — the invisible file at the end of the critical chain

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5 min read
C++ and Microarchitecture Nuances

C++ and Microarchitecture Nuances

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8 min read
How We Reduced LLM Costs by 95%: Cache + Batch + Cascade in PHP

How We Reduced LLM Costs by 95%: Cache + Batch + Cascade in PHP

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7 min read
How to Audit Your Website's Core Web Vitals in Under 10 Minutes

How to Audit Your Website's Core Web Vitals in Under 10 Minutes

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2 min read
The Real Cost of Re-renders in React..💸

The Real Cost of Re-renders in React..💸

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4 min read
Image Optimization for Modern Web Applications: Formats, CDNs, Automation

Image Optimization for Modern Web Applications: Formats, CDNs, Automation

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5 min read
How I Refactored My Developer Portfolio Into a Modular, Secure, and Playfully Destructive Playground (v1.1.0)

How I Refactored My Developer Portfolio Into a Modular, Secure, and Playfully Destructive Playground (v1.1.0)

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7 min read
Alibaba scores 51 on PageSpeed. Our full 389,000-product marketplace scores 93. The dirty secret is m-dot sites

Alibaba scores 51 on PageSpeed. Our full 389,000-product marketplace scores 93. The dirty secret is m-dot sites

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9 min read
How to Handle 1M+ Users Without Breaking Your System

How to Handle 1M+ Users Without Breaking Your System

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6 min read
Low-Level Serialization: Writing an Array-Based Hex to Base64 Encoder in TypeScript

Low-Level Serialization: Writing an Array-Based Hex to Base64 Encoder in TypeScript

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3 min read
Virtual Threads and the Myth of “Easy Async”: Why Java’s New Concurrency Model Still Needs Discipline

Virtual Threads and the Myth of “Easy Async”: Why Java’s New Concurrency Model Still Needs Discipline

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7 min read
DEV’s Big Summer Bug Smash is now LIVE! Share $5,000 in cash prizes, skateboards, and more across 20+ winners. 🐛🐞🪲

Fix your biggest bugs and share your smashing stories

DEV’s Big Summer Bug Smash is now LIVE! Share $5,000 in cash prizes, skateboards, and more across 20+ winners. 🐛🐞🪲

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5 min read
WASM SIMD by example: 16 RGB pixels to grayscale per instruction

WASM SIMD by example: 16 RGB pixels to grayscale per instruction

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7 min read
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