Video: Using Apache Benchmark to Load Test Your Web Site
The Performance Zone is presented by AppDynamics. Scalability and better performance are constant concerns for the developer and operations manager. Try AppDynamics' fully-featured performance tool for Java, .NET, PHP, & Node.js.
You can download the apache web server, then simply look inside the zip file for ab.exe.
E.g. to load test your site with 10 concurrent requests use the following command line...
>ab.exe -n 10 -c 10 http://localhost/mywebsite
For more information see 8.15mins into this video. ..