I do site audits, so run a variety of sites through the tests. Often it does not detect a CDN even though the site is running through CloudFlare. I run the test another day and sometimes it will detect the CDN and all reports reflect that, including reduced load time and such.
Is anyone else seeing their CDN not being detected?
Are you using CloudFlare or another CDN such as MaxCDN?
Do you have a link to a test result? WebPageTest itself also uses MaxCDN and it is being detected correctly as best as I can tell so I’d need an example to see what it looks like.