Loader.io

if your looking for a fast, clean and simple to use load testing application you would do yourself a favour to check out this offering from the well respected sendgrid labs effort -- they have made a super clean product offering that will help you test the load on your web project.

Loader.io is a FREE load testing service that allows you to stress test your web-apps & apis with thousands of concurrent connections

a good way for looking for bottlenecks and speed issues that might prompt you to get a cdn or service provider that can help with speedy transit or prompt you to move providers all together for a more lower latency network.