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Tag for content related to software performance.

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Why moving sprites are slow in the browser

Why moving sprites are slow in the browser

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6 min read
Why Your Node.js API Is Slow in Production: 10 Mistakes That Pass Code Review

Why Your Node.js API Is Slow in Production: 10 Mistakes That Pass Code Review

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17 min read
How PDF Merging Actually Works Under the Hood (And Why Most Implementations Mess It Up)

How PDF Merging Actually Works Under the Hood (And Why Most Implementations Mess It Up)

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7 min read
06 - React: memo, useCallback, and useMemo

06 - React: memo, useCallback, and useMemo

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3 min read
Building a Zero-Downtime Dual-Tier Cache: Combining In-Memory Maps with Amazon DynamoDB in TypeScript

Building a Zero-Downtime Dual-Tier Cache: Combining In-Memory Maps with Amazon DynamoDB in TypeScript

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3 min read
Is Your Phone's LLM 37x Too Slow? Check This One Compiler Flag

Is Your Phone's LLM 37x Too Slow? Check This One Compiler Flag

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4 min read
Our about page named the wrong company for weeks, and the age header was the only thing that admitted it

Our about page named the wrong company for weeks, and the age header was the only thing that admitted it

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5 min read
The Complete Guide to SVG Icon Optimization for Web Performance

The Complete Guide to SVG Icon Optimization for Web Performance

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5 min read
Why Chrome tabs eat memory, and how we built real-time duplicate prevention in Manifest V3

Why Chrome tabs eat memory, and how we built real-time duplicate prevention in Manifest V3

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5 min read
Cutting Browser Video Export Time by 31%: An 8-Minute WebCodecs Case Study

Cutting Browser Video Export Time by 31%: An 8-Minute WebCodecs Case Study

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4 min read
I put a timestamp in my system prompt, and the cache never hit

I put a timestamp in my system prompt, and the cache never hit

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4 min read
1M End2End: WJb vs Quartz vs Hangfire

1M End2End: WJb vs Quartz vs Hangfire

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1 min read
Standalone VR Gives You 11 Milliseconds a Frame. The Editor Will Not Warn You.

Standalone VR Gives You 11 Milliseconds a Frame. The Editor Will Not Warn You.

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6 min read
A pivot table your users can drag, on a million rows, and how to tell whether it freezes the page

A pivot table your users can drag, on a million rows, and how to tell whether it freezes the page

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6 min read
FlexReadDir: up to 3.8x faster directory listing in Go

FlexReadDir: up to 3.8x faster directory listing in Go

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6 min read
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