Lazy-Loading Images Without a Library
Native loading hints, a sizes attribute, and one fallback.
Category
Web Performance
4
posts
Measuring and trimming the milliseconds between a click and a readable page.
Caching Expensive Queries the Simple Way
A read-through cache pattern that fits in one function.
Finding Slow Pages with a Single SQL Query
Group request logs by path and sort by the ninety-fifth percentile.
Measuring Largest Contentful Paint in the Field
A PerformanceObserver snippet you can paste into any page.