Simulating Slow Internet Connection

Question

I know this is kind of an odd question. Since I usually develop applications based on the \"assumption\" that all users have a slow internet connection. But, does anybody th

Answer 1

Google recommends:

• Network Link Conditioner on OSX
• Clumsy on Windows
• Dummynet on Linux

Answer 2

Mac OSX since 10.10 has an app called Murus Firewall, which acts as a GUI to pf, the replacement for ipfw.

It works very well for system-wide or domain-specific throttling. I was just able to use it to slide my download speed between 300Kbps and 30Mbps to test how a streaming video player adjusts.

Answer 3

Also, for simulating a slow connection on some *nixes, you can try using ipfw. More information is provided by Ben Newman's answer on this Quora question

Answer 4

There is also another tool called WIPFW - http://wipfw.sourceforge.net/

It's a bit old school, but you can use it to simulate a slower connection. It's Windows based, and the tool allows the administrator to monitor how much traffic the router is getting from a certain machine, or how much WWW traffic it is forwarding, for example.

Answer 5

I was using http://www.netlimiter.com/ and it works very well. Not only limit speed for single processes but also shows actual transfer rates.

Answer 6

Updating this (9 years after it was asked) as the answer I was looking for wasn't mentioned:

Firefox also has presets for throttling connection speeds. Find them in the Network Monitor tab of the developer tools. Default is 'No throttling'.

Slowest is GPRS (Download speed: 50 Kbps, Upload speed: 20 Kbps, Minimum latency (ms): 500), ranging through 'good' and 'regular' 2G, 3G and 4G to DSL and WiFi (Download speed: 30Mbps, Upload speed: 15Mbps, Minimum latency (ms): 2).

More in the Dev Tools docs.