[jira] Commented: (WICKET-617) Optimize JavaScript and CSS downloads

["Jonathan Locke (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/WICKET-617?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12501644 ] 

Jonathan Locke commented on WICKET-617:
---------------------------------------

We could provide a production mode filter that strips whitespace and comments from JS files.  There are quite a lot of comments in good javascript code and there's no sense in downloading all that in a production environment.  By aggregating all the JS, we can get the benefits of stripping out unneeded comments all from a single setting.

> Optimize JavaScript and CSS downloads
> -------------------------------------
>
>                 Key: WICKET-617
>                 URL: https://issues.apache.org/jira/browse/WICKET-617
>             Project: Wicket
>          Issue Type: New Feature
>          Components: wicket
>            Reporter: Jonathan Locke
>
> It may be necessary to prevent extra round-tripping for high-traffic sites because most browsers cannot load JavaScript or CSS in parallel.  It would be good to provide a facility where different Wicket components (including user components) can all contribute JavaScript to a single JS download so there are no round-trips.  Failing this, a simple boolean setting that would prevent Wicket from automatically adding wicket-ajax.js, modal.js and so forth would allow people with high-traffic web sites to paste the JS together by hand (without having to maintain a branch of wicket).  Obviously, this is not going to be addressed for 1.3, but it would be nice to consider for 1.4.

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