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Tag for content related to software performance.

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Why your three.js scene gets a bad PageSpeed score (and it is not JavaScript)

Why your three.js scene gets a bad PageSpeed score (and it is not JavaScript)

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5 min read
Which Commit Made the API Slow? A $0 Performance Detective

Which Commit Made the API Slow? A $0 Performance Detective

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3 min read
How I Cut a 2.1 MB JavaScript Bundle to 890 KB With Claude Code

How I Cut a 2.1 MB JavaScript Bundle to 890 KB With Claude Code

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7 min read
The 7.6x Speedup Hiding in Your HTTP Client

The 7.6x Speedup Hiding in Your HTTP Client

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4 min read
Go Goroutines vs Java Virtual Threads: Memory Models and Concurrency Overhead

Go Goroutines vs Java Virtual Threads: Memory Models and Concurrency Overhead

Comments 1
3 min read
Your codex exec is wasting ~900 ms per turn. I measured where.

Your codex exec is wasting ~900 ms per turn. I measured where.

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2 min read
Tauri's updater downloads your whole app every time. Making it download only the diff took more than bsdiff

Tauri's updater downloads your whole app every time. Making it download only the diff took more than bsdiff

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Comments 2
12 min read
Reduce Repeated HTML Traffic~Toward the Ultimate Lightweight Site~(Includes makng site)

Reduce Repeated HTML Traffic~Toward the Ultimate Lightweight Site~(Includes makng site)

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2 min read
How to catch a missing index in a test, when your test table has 20 rows.

How to catch a missing index in a test, when your test table has 20 rows.

Comments 6
6 min read
Bind Variables: The Hard-Parse Storm That Melts Your Shared Pool

Bind Variables: The Hard-Parse Storm That Melts Your Shared Pool

Comments 3
11 min read
Store Locators That Crawlers Can Actually Read

Store Locators That Crawlers Can Actually Read

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4 min read
Why Can Two Threads Writing to Different Variables Still Slow Each Other Down?

Why Can Two Threads Writing to Different Variables Still Slow Each Other Down?

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4 min read
I built a Django linter that never imports Django

I built a Django linter that never imports Django

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Comments 2
1 min read
How I built a zero-server file converter that digests 1.5 GB videos in the browser (and where it broke)

How I built a zero-server file converter that digests 1.5 GB videos in the browser (and where it broke)

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2 min read
It Fit in Memory and Was Still Unusable — Do the Bandwidth Arithmetic First

It Fit in Memory and Was Still Unusable — Do the Bandwidth Arithmetic First

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Comments 2
5 min read
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