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Massive Testing Differences Between WebPageTest.org and Other Tests
02-25-2014, 08:02 PM
Post: #2
RE: Massive Testing Differences Between WebPageTest.org and Other Tests
The difference I see is in the content download, in the webpagetest the http://pull1.thephilosopheron.netdna-cdn...no-dna.jpg is taking some time to download and some files are downloaded after that.

The file is about 1Mb and the webpagetest is a chrome browser simulating on a cable internet connection. Thus it has more latency and lesser bandwidth. 5362Ms over 1073KB = 200 KB/sec = 1,6 Mbps. The cable according to specs is 5Mbit down / 1Mbit up with 28Ms latency. It was a bit on the slow side, I dont know if the webpagetest site extracts existing latency to a website or it just adds the 28Ms.

The GTmetrix does the 1MB = 1073KB in 731ms which would be 1,4MB/sec = 11Mbit/sec.

The pingdom would be like an 24Mbit connection.

I would test with another webpagetest location or at a different time of day.

Be warry that when sites that test your website speed show nice results this does does not mean your site is fast, it depends on how the test are performed. Look in your website logs on where your users from (mostely) and what the average times are.
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RE: Massive Testing Differences Between WebPageTest.org and Other Tests - Bas-tester - 02-25-2014 08:02 PM

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