CDN
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09-22-2010, 04:01 AM
Post: #1
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CDN
Quick question. How does Webpagetest know if its using CDN?
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09-22-2010, 04:09 AM
Post: #2
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RE: CDN
When the optimization checks are done Pagetest does a DNS lookup for the host name (as well as a reverse-lookup on the IP) and checks to see if the hostname is a CNAME to a known CDN.
This way we can maintain a short list of known CDN domains and get broad coverage. If you're using a CDN that isn't detected just shoot me a note and I can get it added to the next release. Thanks, -Pat |
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09-22-2010, 04:29 AM
Post: #3
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RE: CDN
(09-22-2010 04:09 AM)pmeenan Wrote: When the optimization checks are done Pagetest does a DNS lookup for the host name (as well as a reverse-lookup on the IP) and checks to see if the hostname is a CNAME to a known CDN. This one please Pat: Host: cn.1.musicimg.ovi.com :-) |
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09-22-2010, 10:00 AM
Post: #4
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RE: CDN
Sure - looks like I'll need to add *.lxdns.comto catch it correctly. Who is the CDN provider (so I can add a comment with the domain)?
It will be included in the next update. Thanks, -Pat |
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09-22-2010, 06:12 PM
Post: #5
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RE: CDN
(09-22-2010 10:00 AM)pmeenan Wrote: Sure - looks like I'll need to add *.lxdns.comto catch it correctly. Who is the CDN provider (so I can add a comment with the domain)? http://www.chinanetcenter.com/wangsu/english/index.htm N |
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09-22-2010, 10:27 PM
Post: #6
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RE: CDN
Thanks! Is there a way i can just add it myself?
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09-22-2010, 11:05 PM
Post: #7
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RE: CDN
Not yet. The list is currently maintained in the pagetest code itself. I'll probably add a facility to let it pull in an external list as well but it's small enough and hasn't changed frequently enough to be much of a problem to date.
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