Series “Core Web Vitals”: it starts with “01 - INP: The New Critical Metric That Replaces FID”. INP: The New Critical Metric That Replaces FID. On March 12, 2024, Google completed the Core Web Vitals transition: FID (First Input Delay) and CLS are now joined by INP (Interaction to Next Paint). Learn how to measure…
This series collects 10 articles (approximately 111 minutes of total reading time), designed for a level Intermediate. The main topics covered are INP, Interaction to Next Paint, Core Web Vitals, FID.
INP: The New Critical Metric That Replaces FID. On March 12, 2024, Google completed the Core Web Vitals transition: FID (First Input Delay) and CLS are now joined by INP (Interaction to Next Paint). Learn how to measure INP, optimize for it, and understand the differences from FID.
02 - scheduler.yield() e Long Tasks: Sblocca il Main Thread: scheduler.yield() e Long Tasks: Sblocca il Main Thread Il browser ha un solo main thread.
LCP Optimization: Image Preloading, Critical CSS and SSR. Largest Contentful Paint (LCP) measures the time for the main content to render. Learn image preloading strategies, critical CSS inlining, font preloading, fetchpriority attributes, and SSR optimization for LCP under 2.5 seconds.
CLS Prevention: Stabilita Visiva e Layout Shift Debugging Stai leggendo un articolo, stai per cliccare su un link - e all'improvviso tutto si sposta di...
Font Optimization: Subsetting, Variable Fonts and font-display. Web fonts are often the overlooked factor in performance optimization. Learn font subsetting with pyftsubset, variable fonts usage, font-display strategies, unicode-range optimization, and how fonts impact LCP and CLS.
CSS Container Queries: Componenti Veramente Responsivi Per anni, il responsive design ha significato: "adatta il layout al viewport".
CSS Anchor Positioning: Tooltip and Dropdown Without JavaScript. Building a tooltip in JavaScript means writing code to calculate position, handle viewport boundaries, and manage z-index. CSS Anchor Positioning API eliminates this complexity—learn anchor-name, position-anchor, and position-try-fallbacks.
scheduler.yield() and Long Tasks: Unlock the Main Thread The browser executes JavaScript in a run-to-completion manner: when it starts a JavaScript task, it carries...
LCP Optimization: Image Preloading, Critical CSS and SSR Largest Contentful Paint (LCP) measures the time from page load to when the largest content element renders...
CLS Prevention: Stabilita Visiva e Layout Shift Debugging Stai leggendo un articolo. Stai per cliccare un link interessante.