Network tools that simulate slow network connection

The thing with testing is that either you do it, or your users will end up doing it for you along with the bad reviews once things fail. Miguel Ventura has been at OutSystems for over a decade, doing different things in software development. His interests range from bytecode to CSS and from algorithm performance to developer productivity. Lately his focus has been on Machine Learning applied to Software Engineering.

By submitting this form you consent to the processing of your personal data by OutSystems as described in our Terms and our Privacy Statement. There are only two ways for a developer to create software that works on other machines: Testing it under as many conditions as possible and hope for the best.

Requiring other devices to be as close as possible to the one on which the software was developed. It Also Works on my Smartphone When developing mobile apps, this weird phenomenon can also occur. How to Simulate Slow Network Conditions Some basic tools can help you simulate slow connection scenario. Chrome DevTools. Our Raspberry Pi network emulation device. Miguel Ventura Miguel Ventura has been at OutSystems for over a decade, doing different things in software development.

See All Posts From this author. Related posts. Dev Zone. Fernando Moitinho May 11, 6 min read. If you already have Google Chrome installed on your computer, you already have everything you need to simulate a slower network connection.

This will bring up the Developer Tools window, which will probably be docked on the right side of the screen. I prefer it docked at the bottom of the screen, since you can see more data.

To do this, click on the three vertical dots and then click on the middle dock position. Now go ahead and click on the Network tab. On the right, you should see a label called No Throttling. Pick one of the options and then reload the page you are on or type in another URL in the address bar.

The website seems to imply that after 30 days you have to purchase it to continue using it. Your assumption is wrong. In the first 30 days you can use it without delays. After that there are small delays and it reboots after 30 minutes. From their Website: After 30 days if you decide to continue using Charles you must purchase a license — Florian Fida. For Linux or OSX, you can use ipfw. Florian Fida 3, 3 3 gold badges 27 27 silver badges 29 29 bronze badges.

Thanks for the tip on this. Turns out there's now a native Windows version available, which I used successfully. I went this way. I should have known to replace " Alex Alex Offirmo Offirmo Allen Allen 21 2 2 bronze badges. Calls to a web service fail with a timeout.

The app crashes when no network is available. Data transfer does not resume when the network connection is lost and then restored. Nikita R. The Overflow Blog. Podcast Making Agile work for data science. Stack Gives Back Featured on Meta. New post summary designs on greatest hits now, everywhere else eventually. Linked 7. See more linked questions. Related 0. Hot Network Questions. Stack Overflow works best with JavaScript enabled. Same here, my websocket ping test reports identical times on full speed and on GPRS.

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Menu Twitter Get Involved. Explore Search this site Search Firefox DevTools has now a network throttling tool to simulate slow connections , so you can get a rough idea of the user experience under different connection types bug Gervase Markham wrote on November 8, at am: Does it also simulate increased latency as well as reduced speed?