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p/debugbearFront-end website performance monitoring
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Matt Zeunert

Lighthouse Network Simulation — Speed metrics for different bandwidth and latency settings

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This tool runs Google's Lighthouse tool with 100 different combinations of network bandwidth and latency. See how users on different connection types would experience your website.

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Matt Zeunert
Maker
Hey there! 👋 Lighthouse and PageSpeed Insights use something called simulated throttling to run tests – that makes it very fast to generate metrics for a large number of different network configurations. This tool shows how latency and bandwidth impact site speed, as well as surfacing some of the Lighthouse internals like observed metrics and optimistic/pessimistic estimates.