Chapter 6Async Script Loading
In the beginning, there was this:
| â | â<scriptâ src=â"allMyClientSideCode.js"ââ>ââ</script>â |
And it wasâ¦not great. âWhere should it go?â developers wondered. âUp in the <head>? Or down in the <body>?â For script-heavy sites, both options lead to misery. A large script in the <head> delays all page rendering, giving the user a âWhite Screen of Deathâ[54] until the script loads completely. But a large script at the end of the <body> gives the user a lifeless, static page littered with nonworking controls and empty boxes where client-side rendering is supposed to occur.
The ideal solution to this problem is to triage your scripts; those that are needed for the page to look and feel ...
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