Over the past few weeks our customers in China have faced difficulty accessing our site. Our servers are in N. Virginia AWS data centers, and we have subscribed to 3 different CDNs - Cloudfront, Cloudflare and CDN.Net. The first loads of assets from these CDNs are erratic and have 30 seconds or more of latency.<p>The CDN performance we are seeing is comparable to hitting our servers directly. Overall the experience is quite bad, and none of our CDNs had service issues while we were facing issues. It is presently responding quite well but here is a typical access timing last week: http://www.webpagetest.org/result/140327_WJ_D3Z/1<p>I don't know why it is so erratic, and what we can do to fix the problem.<p>-- Are there CDNs that are guaranteed to work well (ChinaCache?)<p>-- Does anyone have a home-grown multi-CDN solution that is self configuring - if that is the way forward?<p>-- In general what is the best practice when dealing with content delivery to China?