Core Web Vitals in 2026
The three Core Web Vitals are LCP (Largest Contentful Paint, ≤2.5s), INP (Interaction to Next Paint, ≤200ms), and CLS (Cumulative Layout Shift, ≤0.1). INP replaced FID in March 202…
Read article →AVIF vs WebP for Real Sites
AVIF typically delivers 30–50% smaller files than WebP at the same perceived quality, but encodes much more slowly.The right pattern: serve AVIF if the browser…
Read article →Font Subsetting Saves Real Bytes
A typical web font ships every Latin glyph plus extensive language coverage you do not use. Subsetting to just the characters you render trims it…
Read article →Schema.org JSON-LD: What to Emit
Five high-value types: WebSite with SearchAction, Organization or Person for brand identity, BreadcrumbList on every inner page, Article/BlogPosting on posts, and Product on commer…
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