preloading

/priˈloʊdɪŋ/
noun
  1. The act or process of loading something (such as software or data) in advance.
    • Preloading the app lets you use it even without an internet connection.
    • The website's preloading of images made the pages open faster.
    • Preloading of supplies is done a day before the event to avoid last-minute rush.
verb
  1. Present participle of preload: loading something in advance.
    • The app keeps preloading new content so you never have to wait.
    • The system is preloading the next level while you finish the current one.
    • He is preloading the van with boxes for tomorrow's delivery.