Many a time I want to see how the site I’m working on loads on a slower connection. A 20gb Fiber connection is not ‘real world.’
These are some Bandwidth Limiter, Bandwidth Throttle, Bandwidth Shaping apps that I’ve found. I’ve been using SPEEDLIMIT AND Slowly (there’s a free version.)
Entonnoir
http://tools.chocoflop.com/entonnoir_en.html
SPEEDLIMIT
Speedlimit is a prefpane
OSX Lion Network Link Conditioner
Comes free with Xcode Dev tools
https://developer.apple.com/technologies/tools/
Slowly
$4.99
Free for two speeds: 56k and LTE mobile network connection
http://slowyapp.com/