https://pingtestlive.com/amazon-ping
https://pingtestlive.com/google-cloud-ping
也支持azure
https://pingtestlive.com/azure-ping
https://pingtestlive.com/digitalocean-ping
https://pingtestlive.com/linode-ping
https://pingtestlive.com/vultr-ping
其他的还有
https://cloudharmony.com/speedtest-for-google
https://cloudharmony.com/speedtest