javascript - Should I be concerned if my website is linked to an external Style Sheet -


this question has answer here:

at point in website needed timer looked free jquery countdown timer , found 1 : example

after integrating model page inside ide (vs2010) payed attention css , js files not stored locally in project folder, still linked external sources, , had me thinking : suppose find way download these file locally use them, or should use them way ? , should concerned if may change or desperate @ point in future ? best practices in case ?

here example of html code :

.... .... <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>     <link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css">     <script type="text/javascript" src="inc/timecircles.js"></script> .... ....

those cdns ( http://it.wikipedia.org/wiki/content_delivery_network ) meaning they're hosted of use, you're pretty guaranteed stay there. main advantage of using cdns user have visited site uses same resource , means said resource cached in user's computer, leading faster loading time site.


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