Hi Rob,

have you tried JavaScriptDeferHeaderResponse?

And here's some background on how we arrived at this solution:

https://issues.apache.org/jira/browse/WICKET-6498

Have fun
Sven


On 22.06.20 13:23, Rob Audenaerde wrote:
Hi all,

I'm trying to increase the google-page-speed of some WicketApplication. It
seems most jquery javascript is 'blocking', i.e. not usign 'defer'.

For example this google-chrome-audit section:

URL
Size
Potential Savings
…jquery/jquery-2.2.4-ver-F9E….js
<http://localhost:8080/wicket/resource/org.apache.wicket.resource.JQueryResourceReference/jquery/jquery-2.2.4-ver-F9EE266EF993962AD59E804AD9DEBE66.js>
(localhost)
167 KB
2,560 ms
…com.googlecode.wicket.jquery.ui.resource.JQueryUIR…/jquery-….js
<http://localhost:8080/wicket/resource/com.googlecode.wicket.jquery.ui.resource.JQueryUIResourceReference/jquery-ui-ver-0A819924D70A18322660DEE759225D2B.js>
(localhost)
494 KB
4,360 ms
…js/wicket-aj….js
<http://localhost:8080/wicket/resource/org.apache.wicket.ajax.AbstractDefaultAjaxBehavior/res/js/wicket-ajax-jquery-ver-3A8C326A8436172FC95523D517EBC88B.js>
(localhost)
86 KB
1,660 ms
/style.css <http://localhost:8080/style.css>
(localhost)
4 KB
310 ms

Is there a reason why this is all non-deferred? Or an easy way to change
this? Most functionality is added in an DomReady event anyway.


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