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Bug with DNS request times for Firefox?
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Bug with DNS request times for Firefox?
08-21-2013, 09:56 PM
Post: #1
Bug with DNS request times for Firefox?
Hi Pat,

Firefox offers DNS prefetching since FF3.5:
https://developer.mozilla.org/en-US/docs...refetching

As a matter of fact the DNS for all links in the source code should be automatically prefetched.

Please have a look at the test detail of http://www.finanznachrichten.de in this report: http://www.webpagetest.org/result/130821...1/details/

There are 44 ms for a DNS lookup for http://fns1.de or 4 ms for a DNS lookup for http://js.revsci.net or 39 ms for http://www.google-analytics.com ... although these should be prefetched automatically according to the info on the Mozilla website.

So, the question is now:
Does the DNS prefetching of FF work and as a matter of fact there are no (additional) DNS lookup times or where do these times come from?
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Bug with DNS request times for Firefox? - Markus - 08-21-2013 09:56 PM

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