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Web Performance

All things speed and scalability on the web.

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Stop Shipping Bloated SVGs: A Guide to Local-First Optimization ⚡

Stop Shipping Bloated SVGs: A Guide to Local-First Optimization ⚡

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1 min read
How We Reduced INP by 100ms+: GTM Isolation, React Compiler, and Better Telemetry
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How We Reduced INP by 100ms+: GTM Isolation, React Compiler, and Better Telemetry

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5 min read
Page Speed Under Load: Why Performance Problems Appear Only at Scale

Page Speed Under Load: Why Performance Problems Appear Only at Scale

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2 min read
Reports people read: Addressing limited stakeholder visibility
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Reports people read: Addressing limited stakeholder visibility

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3 min read
Our approach to slow performance debugging
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Our approach to slow performance debugging

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3 min read
How We Run Lighthouse from 18 Regions in Under 2 Minutes
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How We Run Lighthouse from 18 Regions in Under 2 Minutes

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4 min read
Clicks should feel instant
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Clicks should feel instant

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1 min read
The Fragmented Monitoring Problem
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The Fragmented Monitoring Problem

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3 min read
Lexicon Titan: Solving the O(n!) Problem with Web Workers and Bitmasking
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Lexicon Titan: Solving the O(n!) Problem with Web Workers and Bitmasking

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2 min read
Introducing Watcher: Why we are building a better way to monitor performance
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Introducing Watcher: Why we are building a better way to monitor performance

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2 min read
Optimizing Core Web Vitals for Large E-Commerce Catalogs Without Rewriting the Stack
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Optimizing Core Web Vitals for Large E-Commerce Catalogs Without Rewriting the Stack

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2 min read
Why Your E-commerce Site Is Slow (And How Developers Can Fix It)
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Why Your E-commerce Site Is Slow (And How Developers Can Fix It)

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2 min read
I built a simple PSI wrapper to get "GTmetrix style" grades
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I built a simple PSI wrapper to get "GTmetrix style" grades

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2 min read
Why I Dished WordPress for Vanilla JS + Edge (And Hit 100/100 Lighthouse)
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Why I Dished WordPress for Vanilla JS + Edge (And Hit 100/100 Lighthouse)

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2 min read
Mastering the art of frontend performance optimization

Mastering the art of frontend performance optimization

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2 min read
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