WebPageTest is an incredibly useful resource for any web developer, but the information it provides becomes much more powerful when monitored regularly, rather than at isolated events. SpeedTracker runs on top of WebPageTest and makes periodic performance tests on your website and shows a visualisation of how the various performance metrics evolve over time.09-05-2017
Does Hotjar Collect Data from ALL My Visitors?12-11-2018
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Track front-end performance and quality metrics for your production site and in CI.Compare results and see what caused the problem.14-04-2020