Tools and services for load testing websites and APIs.
apache.org - popular http benchmarking tool
joedog.org - http benchmarking tool
github.com - load testing tool written in go
github.com - creates swarm of EC2 instances to load test web applications
google.com - tool for determining and analyzing page load times
hp.com - tool for measuring web server performance
locust.io - open source load testing tool with gui
loader.io - free load testing service
loadimpact.com - automated performace testing
blitz.io - automated performace testing