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Tag for content related to software performance.

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Web Vitals in JavaScript: How to Measure, Debug, and Fix Real-World Performance Problems

Web Vitals in JavaScript: How to Measure, Debug, and Fix Real-World Performance Problems

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12 min read
What I’ve Learned About Building Scalable Web Applications

What I’ve Learned About Building Scalable Web Applications

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1 min read
A reader asked what a 250 MiB file costs a browser tab. The JS heap said 2.4 MiB and was off by 500.

A reader asked what a 250 MiB file costs a browser tab. The JS heap said 2.4 MiB and was off by 500.

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8 min read
Optimizing Queries in Spring Data JPA

Optimizing Queries in Spring Data JPA

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2 min read
What I Learned Building a Mini TensorRT

What I Learned Building a Mini TensorRT

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3 min read
Postgres 19's REPACK rewrites a bloated table without locking out your writers

Postgres 19's REPACK rewrites a bloated table without locking out your writers

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10 min read
Apache AGE under load: how PostgreSQL graphs behave under stress

Apache AGE under load: how PostgreSQL graphs behave under stress

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16 min read
Matching Blood Donors by GPS: The Geospatial Query Design Behind GeoBlood

Matching Blood Donors by GPS: The Geospatial Query Design Behind GeoBlood

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17 min read
How I Beat NumPy Matrix Multiplication by 2.8x with a 100KB C Microkernel

How I Beat NumPy Matrix Multiplication by 2.8x with a 100KB C Microkernel

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4 min read
WHMCS has no retention story for its log tables, and it will full-scan them

WHMCS has no retention story for its log tables, and it will full-scan them

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7 min read
Inside TypeScript 7: Arena Allocation and AST Memory Layout

Inside TypeScript 7: Arena Allocation and AST Memory Layout

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14 min read
Cardinality Budgets in Prometheus: Label Design, Series Explosion, and the Scrape Latency Death Spiral

Cardinality Budgets in Prometheus: Label Design, Series Explosion, and the Scrape Latency Death Spiral

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6 min read
Building a High-Performance Video Game Price Tracker: Architecture & Lessons Learned

Building a High-Performance Video Game Price Tracker: Architecture & Lessons Learned

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2 min read
Why parsing a 10MB JSON payload freezes your UI thread (and how to offload it to Web Workers)

Why parsing a 10MB JSON payload freezes your UI thread (and how to offload it to Web Workers)

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3 min read
Why Your Minecraft Server Lags at 5 GHz: Single-Core Performance, MSPT, and Stable TPS

Why Your Minecraft Server Lags at 5 GHz: Single-Core Performance, MSPT, and Stable TPS

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10 min read
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