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https://issues.apache.org/jira/browse/AURORA-578?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14056763#comment-14056763
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David Robinson commented on AURORA-578:
---------------------------------------

I think that would be a rare exception, but [it could still be 
handled|https://stackoverflow.com/questions/5257923/how-to-load-local-script-files-as-fallback-in-cases-where-cdn-are-blocked-unavai].
 eg:

{noformat}
<script 
src="//ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script>
<script>window.jQuery || document.write('<script 
src="js/libs/jquery-1.5.1.min.js">\x3C/script>')</script>
{noformat}

> observer shouldn't include jquery
> ---------------------------------
>
>                 Key: AURORA-578
>                 URL: https://issues.apache.org/jira/browse/AURORA-578
>             Project: Aurora
>          Issue Type: Bug
>          Components: Thermos, UI
>            Reporter: David Robinson
>
> The cache hit-rate for jquery.js is zero since each server points to its 
> local copy. If we instead point to a version stored on a CDN then the cache 
> hit-rate will be higher. This will save around 247 kB per request.



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