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From "Martin Strand (JIRA)" <...@tapestry.apache.org>
Subject [jira] Commented: (TAPESTRY-2364) YSlow Recommendation: Write Scripts at bottom of page
Date Mon, 06 Oct 2008 21:11:44 GMT

    [ https://issues.apache.org/jira/browse/TAPESTRY-2364?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12637225#action_12637225
] 

Martin Strand commented on TAPESTRY-2364:
-----------------------------------------

I understand your concern Onno, I just believe the more common case is to have it the other
way around - wanting the page to render as quickly as possible on the first visit.

You say the overhead is minimal since the script is cached, but that also applies to your
own use case.
Your problem occurs when the page is fully rendered and the client waits for those scripts
at the bottom to load before you get to manipulate the DOM. That would not be an issue once
the scripts are cached.

> YSlow Recommendation: Write Scripts at bottom of page
> -----------------------------------------------------
>
>                 Key: TAPESTRY-2364
>                 URL: https://issues.apache.org/jira/browse/TAPESTRY-2364
>             Project: Tapestry
>          Issue Type: Improvement
>          Components: tapestry-core
>            Reporter: Howard M. Lewis Ship
>            Assignee: Howard M. Lewis Ship
>            Priority: Minor
>             Fix For: 5.0.12
>
>
> Tapestry is already doing a good job on this, by writing the dynamically generated <script>
block at the bottom of the page, but the external scripts should also be down there.
> http://developer.yahoo.com/performance/rules.html#js_bottom

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