Testing a slow connection

I am hearing of a report that my website crashes, when she is at home. She has not had a problem with the website in the past, and the only factor seems to come when she is at home, where her internet connection is dialup.

My site is only 140KB, but it does use Scr开发者_如何学JAVAiptaculous and jsMath libraries. The latter one has an error when loading. I suspect a race condition between these two.

Is there an easy way to throttle my own internet connection for testing purposes? I do run Windows on a VM for testing that platform. (Mac host) Throttling just the VM would be sufficient. It this a standard test that all websites should do?

Thanks, Dave

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There are a couple of things to think about when a user says "crash":

• Is it the network communication?

You can't really do much about this one. Its even hard to test this one.

• Is it browser (client side) performance?

This, you can test. Test with multiple browsers, on multiple machines (some a lot slower than others), and on multiple OS's