Javascript in Phoenix templates

[peerreynders]

@adrianrl

Also I’d recommend using the defer attribute rather than putting <script> at the bottom.

And defer seems to be well supported these days.

The problem with a plain or async head script is that it delays FCP (first contentful paint).

You still have to be careful in some situations:

Third-party scripts often use embed techniques that can block window.onload if their servers respond slowly, even if the embed is using async or defer.

Use async or defer