Add preload notice (#6532)

Fixes #6517
vercel · Mar 5, 2019 · e10096c · e10096c
1 parent 861edad
commit e10096c
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/packages/next/README.md b/packages/next/README.md
@@ -828,6 +828,8 @@ Since Next.js server-renders your pages, this allows all the future interaction
 
 > With prefetching Next.js only downloads JS code. When the page is getting rendered, you may need to wait for the data.
 
+> `<link rel="preload">` is used for prefetching. Sometimes browsers will show a warning if the resource is not used within 3 seconds, these warnings can be ignored as per https://github.com/zeit/next.js/issues/6517#issuecomment-469063892
+
 #### With `<Link>`
 
 You can add `prefetch` prop to any `<Link>` and Next.js will prefetch those pages in the background.