Critical CSS in the Modern Era
Inline the CSS needed to render above-the-fold content; load the rest asynchronously. The savings on slow networks are real — first paint happens on the first round trip.For dynami…
Read article →HTTP/3 in Practice
HTTP/3 runs over QUIC, which uses UDP. The big win is head-of-line blocking elimination at the transport layer — one slow packet does not stall…
Read article →Brotli vs gzip: When Brotli Wins
Brotli compresses 15–25% better than gzip for HTML, CSS, and JS at higher compression levels. The catch is encoding cost — Brotli level 11 is…
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…
Read article →Container Images That Actually Cache
Order Dockerfile steps from least-changing to most-changing. COPY package.json package-lock.json ./ and RUN npm ci belong above COPY . . so deps are cached across…
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