Glossary term
What is preload? Meaning for developers
A hint to download a file the current page needs right now, with high priority (the LCP image, an important font).
Learn it properly · Scenario DebuggingLesson 6: Slow First Load: Bundles, Code Splitting and LCPBundle analysis, code splitting by route, image optimisation, font loading, preload and preconnect, and Server Components with streaming.