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Web Performance

All things speed and scalability on the web.

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Compress images in the browser before you upload them

Compress images in the browser before you upload them

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2 min read
Image Optimization for Core Web Vitals: Fix Your LCP

Image Optimization for Core Web Vitals: Fix Your LCP

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5 min read
Your PageSpeed alerts are noise: monitor real-user Core Web Vitals instead

Your PageSpeed alerts are noise: monitor real-user Core Web Vitals instead

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5 min read
Key metrics we actually put on a monitoring dashboard

Key metrics we actually put on a monitoring dashboard

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8 min read
How to check Core Web Vitals for 1,000 URLs in Python (PageSpeed Insights API, CrUX field data, quotas and retries)

How to check Core Web Vitals for 1,000 URLs in Python (PageSpeed Insights API, CrUX field data, quotas and retries)

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8 min read
Seven Performance Lessons for Building a Fast News Website

Seven Performance Lessons for Building a Fast News Website

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2 min read
st-core.fscss — A library for creating pure CSS charts without JavaScript, compatible with any tech stack

st-core.fscss — A library for creating pure CSS charts without JavaScript, compatible with any tech stack

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1 min read
How to Speed Up Elementor (10 Fixes That Actually Work)

How to Speed Up Elementor (10 Fixes That Actually Work)

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6 min read
How to Fix LCP Issues in WordPress: The 4-Stage Checklist

How to Fix LCP Issues in WordPress: The 4-Stage Checklist

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6 min read
Build a Faster Photography Portfolio: Convert PNG to WebP (Free, No Upload)

Build a Faster Photography Portfolio: Convert PNG to WebP (Free, No Upload)

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3 min read
WebP vs PNG vs JPEG: Which Format Should You Serve in 2026?

WebP vs PNG vs JPEG: Which Format Should You Serve in 2026?

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5 min read
bfcache: The Instant Back Button Your Site Is Probably Blocking

bfcache: The Instant Back Button Your Site Is Probably Blocking

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4 min read
Demystifying Core Web Vitals - A Developer's Guide to LCP, INP, and CLS

Demystifying Core Web Vitals - A Developer's Guide to LCP, INP, and CLS

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9 min read
Offline-first AI — IndexedDB as Gemini Nano's memory

Offline-first AI — IndexedDB as Gemini Nano's memory

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8 min read
Streaming AI without destroying your INP

Streaming AI without destroying your INP

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8 min read
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