The API to control network emulation were added to ChromeDriver. And should be available for quite a while now. According to comment in the linked issue you should use version at least 2.26 because of some bugfix. According to Selenium changelog bindings are available for these languages: JavaScript as of version 3.4.0 (commit) Python as … Read more
If you can change the URLs, there’s a site http://www.deelay.me/ that is a delay proxy for HTTP resources. For example, if you want URL http://example.com/example to be delayed by 5 seconds, change it to http://www.deelay.me/5000/http://example.com/example.
If you are running Linux, the following command is really useful for this: trickle -s -d 50 -w 100 firefox The -s tells the command to run standalone, the -d 50 tells it to limit bandwidth to 50 KB/s, the -w 100 set the peak detection window size to 100 KB. firefox tells the command … Read more