A Small Go Server for Static Previews
Serve a folder, add caching headers, and ship a single binary.
Tag
Lighthouse
6
posts
Lazy-Loading Images Without a Library
Native loading hints, a sizes attribute, and one fallback.
Caching Expensive Queries the Simple Way
A read-through cache pattern that fits in one function.
A Tiny JavaScript Helper for Reading Time
Estimate minutes-to-read in twelve lines, with no dependencies.
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.