How preload, prefetch, preconnect, dns-prefetch and priority hints shorten connection setup, speed up the LCP image and fonts – and where over-loading hurts.
How throttled CPU, slow networks, viewport and touch shift mobile Core Web Vitals and which levers speed up your shop on the phone where revenue happens.
How indexes, resolving N+1 queries, query caching and EXPLAIN speed up slow database queries and lower the Time to First Byte of your online shop fast.
Trimming third-party scripts: audit tags, defuse them with defer and lazy loading, use facades and measurably improve INP and LCP for better Core Web Vitals.
How a CDN, edge caching and well-set cache-control headers cut Time to First Byte worldwide and keep your shop fast even far from the origin server.
Lazy loading for images and components, route-based code splitting and dynamic imports cut initial JavaScript and improve Core Web Vitals on every page.
Web fonts cost load time and cause layout shifts. Learn how to optimize fonts with font-display, preload, subsetting and WOFF2 for fast pages.
HTTP/3 with QUIC cuts latency and connection setup time in online shops. How the protocol works, when migration pays off and how to enable it correctly.
Optimizing INP: how to bring Interaction to Next Paint below 200 milliseconds. Targeted relief for long tasks, event handlers and third-party scripts.