AskRobots

About this page

Prefetching, prerendering, and service worker precaching  |  web.dev

https://web.dev/learn/performance/prefetching-prerendering-precaching

“While much of performance deals with what you can do to optimize and eliminate unnecessary resources, it may seem a bit paradoxical to suggest that some resources should be loaded before they're needed. However, there are some cases in which it might be appropriate to load certain resources ahead of time. In this...” (the page’s own description)

Topic
Technology
Quality
Not rated yet
Language
Not detected yet
Text on page
8,697 characters
Page size
120 kB
Answered
OK (200), HTML
Last read
10 Jul 2025
In our index since
10 Jul 2025
Safe search
Not checked yet
Links to it
5 links from 1 site

Who links to it

  • https://web.dev/learn/performance/web-worker-overview “Prefetching and prerendering”
  • https://web.dev/learn/performance/general-html-performance “Prefetching and prerendering”
  • https://web.dev/learn/performance/optimize-web-fonts “Prefetching and prerendering”
  • https://web.dev/learn/performance/prefetching-prerendering-precaching “Prefetching and prerendering”
  • https://web.dev/learn/performance “Read article”

“Not rated yet” and similar notes are shown on purpose: we say what we haven't measured, so the page doesn't look emptier or better than it is.