Articles on web development, modern web technologies, performance optimization, and software engineering practices.
Cloudflare Web Analytics now reports LCP and INP broken into their phases, straight from real users. Here is how to read the breakdown and which fix each slow phase points to.
Compression Dictionary Transport lets the browser use last week's bundle as a dictionary for this week's, so a deploy that changes a few lines costs a few kilobytes. Chrome 156 adjusts how dictionary links are fetched; here is how the mechanism works and what to check before you rely on it.
Safari 27 adds the Service Worker static routing API, which Chrome has shipped since version 123. Declare routes once at install time and the browser can skip your service worker entirely for requests it was only going to forward.
Next.js 16.4 recommends Cache Components for every app and adds two performance guardrails: ensureStatic to keep routes static, and navigation() to keep expensive data out of prefetches. Here is what they do and how to adopt them.
Chromium is replacing the LevelDB-based IndexedDB engine with SQLite, and Chrome 156 lists it in the release notes. The API is unchanged, but a transaction-scheduling edge case is not, so it is worth auditing your storage layer now.
With Safari 27 shipping on September 17, sizes="auto" for lazy-loaded images is now Baseline. Here's how it works, where it breaks, and how to delete a pile of fragile sizes strings from your templates.
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