DevTools Tips

Throttle the network speed to test your website on slower connections

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While you may develop your website on a fast network connection at home or at work, your users may not be able to use it with an equally fast connection. Perhaps they're in a moving car, or on the subway, or they don't have access to high-speed internet at their place. Whatever it is, they may experience your site very differently than you do because of this.

Testing your site with a slower connection helps you understand how it loads and appears on the screen.

Firefox, Chrome and Edge let you simulate slower network connections to do this.

To throttle your connection:

You can also do this from the device simulation mode by using the same dropdown there.

Screenshot of the Network panel in Edge showing the network throttling drop-down