Glossary term
What is bundle (JavaScript bundle)?
bundle stands for JavaScript bundle.
The built JavaScript file(s) the browser downloads. Parsed size costs CPU time. Compressed size costs network time.
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.