A more complete version of this: https://github.com/lightbody/browsermob-proxy https://github.com/lightbody/browsermob-proxy * captures performance data in

A more complete version of this: https://github.com/lightbody/browsermob-proxy https://github.com/lightbody/browsermob-proxy * captures performance data in the HAR format. * blacklisting and whitelisting certain URL patterns * simulating various bandwidth and latency * remapping DNS lookups * flushing DNS caching * controlling DNS and request timeouts * automatic BASIC authorization * REST API